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Deleted indicates deleted content. indicates pages were changed. indicates pages were moved.1 (Slip Opinion) OCTOBER TERM, 2015

Syllabus

NOTE: Where it is feasible, a syllabus (headnote) will be released, as is being done in connection with this case, at the time the opinion is issued. The syllabus constitutes no part of the opinion of the Court but has been prepared by the Reporter of Decisions for the convenience of the reader. See United States v. Detroit Timber & Lumber Co., 200 U. S. 321, 337.


## SUPREME COURT OF THE UNITED STATES

Syllabus

MONTGOMERY v . LOUISIANA

CERTIORARI TO THE SUPREME COURT OF LOUISIANA

No. 14–280. Argued October 13, 2015—Decided January 25, 2016

Petitioner Montgomery was 17 years old in 1963, when he killed a dep

uty sheriff in Louisiana. The jury returned a verdict of “guilty with

out capital punishment,” which carried an automatic sentence of life without parole. Nearly 50 years after Montgomery was taken into custody, this Court decided that ma ndatory life without parole for ju

venile homicide offenders violates the Eighth Amen dment’s prohibi

tion on “ ‘cruel and unusual punishments.’ ” Miller v. Alabama , 567
U. S. ___, ___

. Montgomery sought state collateral relief, arguing
that Miller rendered his mandatory life-without-parole sentence ille

gal. The trial court denied his motion, and his application for a su

pervisory writ was denied by the Louisiana Supreme Court, which had previously held that Miller does not have retroactive effect in
cases on state collateral review.
Held : 1. This Court has jurisdiction to decide whether the Louisiana Su

preme Court correctly refused to give retroactive effect to Miller. Pp. 5–14. (a) Teague v. Lane , 489 U. S. 288, a federal habeas case, set forth a framework for the retroactive app lication of a new constitutional
rule to convictions that were final when the new rule was announced. While the Court held that new constitutional rules of criminal proce

dure are generally not retroactive, it recognized that courts must give retroactive effect to new watershed procedural rules and to substan

tive rules of constitutional law. Substantive constitutional rules in

clude “rules forbidding criminal p unishment of certain primary con

duct” and “rules prohibiting a certain category of punishment for a class of defendants because of their status or offense,” Penry v. Lynaugh , 492 U. S. 302, 330. Court-appointed amicus contends that
because Teague was an interpretation of the federal habeas statute,2 MONTGOMERY v. LOUISIANA

Syllabus

not a constitutional command, its retroactivity holding has no appli

cation in state collateral review proceedings. However, neither Teague nor Danforth v. Minnesota , 552 U. S. 264—which concerned only Teague ’s general retroactivity bar for new constitutional rules of criminal procedure—had occasion to address whether States are re

quired as a constitutional matter to give retroactive effect to new substantive rules. Pp. 5–8. (b) When a new substantive rule of constitutional law controls the outcome of a case, the Constitu tion requires state collateral re

view courts to give retroactive effect to that rule. This conclusion is established by precedents addressing the nature of substantive rules, their differences from procedural ru les, and their history of retroac

tive application. As Teague, supra, at 292, 312, and Penry

, supra, at 330, indicate, substantive rules set forth categorical constitutional guarantees that place certain criminal laws and punishments alto

gether beyond the State’s power to impose. It follows that when a State enforces a proscription or pe nalty barred by the Constitution, the resulting conviction or sentence is, by definition, unlawful. In contrast, where procedural error has infected a trial, a conviction or sentence may still be accurate and the defendant’s continued con

finement may still be lawful, see Schriro v. Summerlin , 542 U. S. 348, 352–353; for this reason, a trial conducted under a procedure
found unconstitutional in a later case does not automatically invali

date a defendant’s conviction or sentence. The same possibility of a
valid result does not exist where a substantive rule has eliminated a State’s power to proscribe the defendant’s conduct or impose a given punishment. See United States v. United States Coin & Currency

, 401 U. S. 715, 724. By holding that new substantive rules are, in

deed, retroactive, Teague continued a long tradition of recognizing that substantive rules must have retroactive effect regardless of
when the defendant’s conviction beca me final; for a conviction under
an unconstitutional law “is not mere ly erroneous, but is illegal and void, and cannot be a legal cause of imprisonment,” Ex parte Siebold

, 100 U. S. 371, 376–377. The same logic governs a challenge to a pun

ishment that the Constitution depriv es States of authority to impose, Penry

, supra , at 330. It follows that a court has no authority to leave in place a conviction or sentence th at violates a substantive rule, re

gardless of whether the conviction or sentence became final before the rule was announced. This Court’s precedents may not directly control the question here, but they bear on the necessary analysis, for a State that may not constitutionally insist that a prisoner remain in jail on federal habeas review may no t constitutionally insist on the same result in its own postconviction proceedings. Pp. 8–14.

2. Miller ’s prohibition on mandatory life without parole for juvenile3 Cite as: 577 U. S. ____ (2016)

Syllabus

offenders announced a new substantive rule that, under the Consti

tution, is retroactive in cases on state collateral review. The “founda

tion stone” for Miller ’s analysis was the line of precedent holding cer

tain punishments disproportionate when applied to juveniles, 567
U. S., at ___, n. 4. Relying on Roper v. Simmons

, 543 U. S. 551, and
Graham v. Florida , 560 U. S. 48, Miller recognized that children dif

fer from adults in their “diminished culpability and greater prospects for reform,” 567 U. S., at ___, and that these distinctions “diminish the penological justifications” for im posing life without parole on ju

venile offenders, id., at ___. Because Miller determined that sentenc

ing a child to life without parole is excessive for all but “ ‘the rare ju

venile offender whose crime reflects irreparable corruption,’ ” id., at ___, it rendered life without parole an unconstitutional penalty for “a
class of defendants because of their status”— i.e. , juvenile offenders
whose crimes reflect the transi ent immaturity of youth, Penry , 492
U. S., at 330. Miller therefore announced a substantive rule of con

stitutional law, which, like other subs tantive rules, is retroactive be

cause it “ ‘necessarily carr[ies] a si gnificant risk that a defendant’ ”— here, the vast majority of juvenile offenders—“ ‘faces a punishment that the law cannot impose upon him.’ ” Schriro

, supra, at 352.

A State may remedy a Miller violation by extending parole eligibil

ity to juvenile offenders. This would neither impose an onerous bur

den on the States nor disturb the fina lity of state convictions. And it would afford someone like Montgo mery, who submits that he has evolved from a troubled, misguided youth to a model member of the prison community, the opportunity to demonstrate the truth of Mil

ler ’s central intuition—that children who commit even heinous crimes are capable of change. Pp. 14–21.
2013–1163 (La. 6/20/14), 141 So. 3d 264, reversed and remanded.

K ENNEDY
, J., delivered the opinion of the Court, in which R OBERTS

, C. J., and G INSBURG , B REYER , S OTOMAYOR

, and K AGAN

, JJ., joined.
S CALIA

, J., filed a dissenting opinion, in which T HOMAS and A LITO

, JJ., joined. T HOMAS

, J., filed a dissenting opinion._________________

_________________ 1 Cite as: 577 U. S. ____ (2016)

Opinion of the Court

NOTICE: This opinion is subject to formal revision before publication in the preliminary print of the United States Reports. Readers are requested tonotify the Reporter of Decisions, Supreme Court of the United States, Washington, D. C. 20543, of any typographical or other formal errors, in order that corrections may be made before the preliminary print goes to press.


## SUPREME COURT OF THE UNITED STATES

No. 14–280

HENRY MONTGOMERY, PETITIONER v. LOUISIANA

ON WRIT OF CERTIORARI TO THE SUPREME COURT OF
LOUISIANA

[January 25, 2016]

J USTICE K ENNEDY delivered the opinion of the Court.
This is another case in a series of decisions involving the sentencing of offenders who were juveniles when their
crimes were committed. In Miller v. Alabama , 567 U. S. ___ (2012), the Court held that a juvenile convicted of a homicide offense could not be sentenced to life in prisonwithout parole absent consideration of the juvenile’s special circumstances in light of the principles and purposes of juvenile sentencing. In the wake of Miller , the question has arisen whether its holding is retroactive to juvenile
offenders whose convictions and sentences were final
when Miller was decided. Courts have reached different conclusions on this point. Compare, e.g., Martin v. Sym

mes , 782 F. 3d 939, 943 (CA8 2015); Johnson v. Ponton

, 780 F. 3d 219, 224–226 (CA4 2015); Chambers v. State

, 831 N. W. 2d 311, 331 (Minn. 2013); and State v. Tate

, 2012–2763, p. 17 (La. 11/5/13), 130 So. 3d 829, 841, with
Diatchenko v. District Attorney for Suffolk Dist. , 466 Mass. 655, 661–667, 1 N. E. 3d 270, 278–282 (2013); Aiken v. Byars , 410 S. C. 534, 548, 765 S. E. 2d 572, 578 (2014);
State v. Mares , 2014 WY 126, ¶¶47–63, 335 P. 3d 487, 504–508; and People v. Davis , 2014 IL 115595, ¶41, 62 MONTGOMERY v. LOUISIANA

Opinion of the Court

N. E. 3d 709, 722. Certiorari was granted in this case to resolve the question.

I
Petitioner is Henry Montgo mery. In 1963, Montgomery killed Charles Hurt, a deputy sheriff in East Baton Rouge, Louisiana. Montgomery was 17 years old at the time of
the crime. He was convicted of murder and sentenced to death, but the Louisiana Supreme Court reversed hisconviction after finding that public prejudice had prevented a fair trial. State v. Montgomery , 181 So. 2d 756, 762 (La. 1966). Montgomery was retried. The jury returned a verdict of “guilty without capital punishment.” State v. Montgomery

, 242 So. 2d 818 (La. 1970). Under Louisiana law, this verdict required the trial court to impose a sentence of life without parole. The sentence was automatic upon thejury’s verdict, so Montgomery had no opportunity to present mitigation evidence to justify a less severe sentence. That evidence might have included Montgomery’s young age at the time of the crime; expert testimony regarding his limited capacity for foresight, self-discipline, andjudgment; and his potential for rehabilitation. Montgomery, now 69 years old, has spent almost his entire life in prison. Almost 50 years after Montgo mery was first taken into custody, this Court decided Millerv. Alabama , 567 U. S.

___. Miller held that mandatory life without parole forjuvenile homicide offenders violates the Eighth Amendment’s prohibition on “ ‘cruel and unusual punishments.’ ”
Id ., at ___ (slip op., at 2). “By making youth (and all that accompanies it) irrelevant to imposition of that harshest prison sentence,” mandatory life without parole “poses too great a risk of disproportionate punishment.” Id. , at ___ (slip op., at 17). Miller required that sentencing courts consider a child’s “diminished culpability and heightened3 Cite as: 577 U. S. ____ (2016)

Opinion of the Court

capacity for change” before co ndemning him or her to die in prison. Ibid. Although Miller did not foreclose a sentencer’s ability to impose life without parole on a juvenile,the Court explained that a lifetime in prison is a disproportionate sentence for all but the rarest of children, those
whose crimes reflect “ ‘irreparable corruption.’ ” Ibid. (quoting Roper v. Simmons , 543 U. S. 551, 573 (2005)).
After this Court issued its decision in Miller , Montgomery sought collateral review of his mandatory life-withoutparole sentence. In Louisiana there are two principal mechanisms for collateral challenge to the lawfulness of imprisonment. Each begins with a filing in the trial court where the prisoner was convicted and sentenced. La. Code Crim. Proc. Ann., Arts. 882, 926 (West 2008). The first procedure permits a prisoner to file an application for postconviction relief on one or more of seven grounds set forth in the statute. Art. 930.3. The Louisiana Supreme Court has held that none of those grounds provides a basis for collateral review of sentencing errors. See State ex rel.
Melinie v. State , 93–1380 (La. 1/12/96), 665 So. 2d 1172 ( per curiam ). Sentencing errors must instead be raised through Louisiana’s second collateral review procedure. This second mechanism allows a prisoner to bring a collateral attack on his or her sentence by filing a motion to correct an illegal sentence. See Art. 882. Montgomery invoked this procedure in the East Baton Rouge Parish
District Court. The state statute provides that “[a]n illegal sentence may be corrected at any time by the court that imposed
the sentence.” Ibid . An illegal sentence “is primarily
restricted to those instances in which the term of the prisoner’s sentence is not authorized by the statute or statutes which govern the penal ty” for the crime of conviction. State v. Mead , 2014–1051, p. 3 (La. App. 4 Cir. 4/22/15), 165 So. 3d 1044, 1047; see also State v. Alexan

der , 2014–0401 (La. 11/7/14), 152 So. 3d 137 ( per curiam ).4 MONTGOMERY v. LOUISIANA

Opinion of the Court

In the ordinary course Louisiana courts will not consider a challenge to a disproportionate sentence on collateralreview; rather, as a general matter, it appears that prisoners must raise Eighth Amendment sentencing challenges on direct review. See State v. Gibbs , 620 So. 2d 296, 296–297 (La. App. 1993); Mead , 165 So. 3d, at 1047.
Louisiana’s collateral review courts will, however, consider a motion to correct an illegal sentence based on a decision of this Court holding that the Eighth Amendment to the Federal Constitution prohibits a punishment for a type of crime or a class of o ffenders. When, for example,
this Court held in Graham v. Florida , 560 U. S. 48 (2010), that the Eighth Amendment bars life-without-parole sentences for juvenile nonhomi cide offenders, Louisiana
courts heard Graham claims brought by prisoners whose sentences had long been final. See

, e.g. , State v. Shaffer

, 2011–1756, pp. 1–4 (La. 11/23/11), 77 So. 3d 939, 940–942 ( per curiam ) (considering motion to correct an illegal sentence on the ground that Graham rendered illegal a life-without-parole sentence for a juvenile nonhomicide offender). Montgomery’s motion argued that Miller rendered his mandatory life-without-parole sentence illegal. The trial court denied Montgomery’s motion on the ground that Milleris not retroactive on collateral review. Montgomery then filed an application for a supervisorywrit. The Louisiana Supreme Court denied the application. 2013–1163 (6/20/14), 141 So. 3d 264. The court
relied on its earlier decision in State v. Tate , 2012–2763, 130 So. 3d 829, which held that Millerdoes not have retroactive effect in cases on st ate collateral review. Chief Justice Johnson and Justice Hughes dissented in Tate

, and Chief Justice Johnson again noted her dissent in Montgomery’s case. This Court granted Montgomery ’s petition for certiorari. The petition presented the question “whether Miller adopts a new substantive rule that applies retroactively on5 Cite as: 577 U. S. ____ (2016)

Opinion of the Court

collateral review to people co ndemned as juveniles to die in prison.” Pet. for Cert. i. In addition, the Court directed the parties to address the following question: “Do we have jurisdiction to decide whethe r the Supreme Court of Louisiana correctly refused to give retroactive effect in this
case to our decision in Miller ?” 575 U. S. ___ (2015).

II
The parties agree that the Court has jurisdiction to decide this case. To ensure this conclusion is correct, the Court appointed Richard D. Bernstein as amicus curiae tobrief and argue the position that the Court lacks jurisdiction. He has ably discharged his assigned responsibilities.
Amicus argues that a State is under no obligation to give a new rule of constituti onal law retroactive effect in its own collateral review proc eedings. As those proceedings are created by state law and under the State’s plenary control, amicus contends, it is for state courts to define applicable principles of retroa ctivity. Under this view, the Louisiana Supreme Court’s decision does not implicate afederal right; it only determines the scope of relief available in a particular type of state proceeding—a question of state law beyond this Court’s power to review. If, however, the Constituti on establishes a rule and requires that the rule have retroactive application, then a state court’s refusal to give the rule retroactive effect is reviewable by this Court. Cf. Griffith v. Kentucky , 479
U. S. 314, 328 (1987) (holding that on direct review, a new
constitutional rule must be applied retroactively “to allcases, state or federal”). States may not disregard a controlling, constitutional command in their own courts. See
Martin v. Hunter’s Lessee , 1 Wheat. 304, 340–341, 344 (1816); see also Yates v. Aiken , 484 U. S. 211, 218 (1988) (when a State has not “placed any limit on the issues that it will entertain in collateral proceedings . . . it has a duty to grant the relief that federal law requires”). Amicus ’6 MONTGOMERY v. LOUISIANA

Opinion of the Court

argument therefore hinges on the premise that this Court’s retroactivity preceden ts are not a constitutional
mandate. Justice O’Connor’s plurality opinion in Teague v. Lane

,489 U. S. 288 (1989), set forth a framework for retroactivity in cases on federal collateral review. Under Teague , a new constitutional rule of criminal procedure does not apply, as a general matter, to convictions that were final
when the new rule was announced. Teague recognized, however, two categories of rules that are not subject to its general retroactivity bar. Firs t, courts must give retroac

tive effect to new substantive ru les of constitutional law.Substantive rules include “rules forbidding criminal punishment of certain primary conduct,” as well as “rules prohibiting a certain category of punishment for a class of
defendants because of their status or offense.” Penry v. Lynaugh , 492 U. S. 302, 330 (1989); see also Teague

, su

pra , at 307. Although Teague describes new substantive rules as an exception to the bar on retroactive applicationof procedural rules, this Court has recognized that substantive rules “are more accurately characterized as . . . not subject to the bar.” Schriro v. Summerlin , 542 U. S. 348, 352, n. 4 (2004). Second, courts must give retroactive
effect to new “ ‘ “watershed rules of criminal procedure” implicating the fundamental fairness and accuracy of the criminal proceeding.’ ” Id ., at 352; see also Teague , 489
U. S., at 312–313. It is undisputed, then, that Teague requires the retroactive application of new substantive and watershed procedural rules in federal habeas proceedings. Amicus , however, contends that Teague was an interpretation of the federal habeas statute, not a constitutional command; and so, the argument proceeds, Teague ’s retroactivity holding simply has no application in a State’s own collateral review proceedings. To support this claim, amicus points to language in7 Cite as: 577 U. S. ____ (2016)

Opinion of the Court

Teague that characterized the Court’s task as “ ‘defin[ing] the scope of the writ.’ ” Id ., at 308 (quoting Kuhlmann v. Wilson , 477 U. S. 436, 447 (1986) (plurality opinion)); see also 489 U. S., at 317 (White, J., concurring in part and concurring in judgment) (“If we are wrong in construing the reach of the habeas corpus statutes, Congress can of course correct us . . . ”); id.

, at 332 (Brennan, J., dissenting) (“No new facts or arguments have come to light suggesting that our [past] reading of the federal habeas statute . . . was plainly mistaken”). In addition, amicus directs us to Danforth v. Minnesota

, 552 U. S. 264 (2008), in which a majority of the Court held
that Teague does not preclude state courts from giving
retroactive effect to a broade r set of new constitutional
rules than Teague itself required. 552 U. S., at 266. The Danforth majority concluded that Teague ’s general rule of nonretroactivity for new constitutional rules of criminalprocedure “was an exercise of this Court’s power to interpret the federal habeas statute.” 552 U. S., at 278. Since Teague ’s retroactivity bar “limit[s] only the scope of federal habeas relief,” the Danforth majority reasoned, States are free to make new procedural rules retroactive on state collateral review. 552 U. S., at 281–282.
Amicus , however, reads too much into these statements.
Neither Teague nor Danforth had reason to address whether States are required as a constitutional matter to give retroactive effect to new substantive or watershed procedural rules. Teague originated in a federal, not state,habeas proceeding; so it had no particular reason to discuss whether any part of its holding was required by the
Constitution in addition to the federal habeas statute.
And Danforth held only that Teague ’s general rule of nonretroactivity was an interp retation of the federal habeas statute and does not pr event States from providing greater relief in their own collateral review courts. The Danforth majority limited its analysis to Teague ’s general8 MONTGOMERY v. LOUISIANA

Opinion of the Court

retroactivity bar, leaving open the question whether Teague ’s two exceptions are binding on the States as a matter of constitutional law. 552 U. S., at 278; see also
id.

, at 277 (“[T]he case before us now does not involve
either of the ‘ Teague exceptions’ ”). In this case, the Court must address part of the question left open in Danforth . The Court now holds that when a
new substantive rule of constitutional law controls theoutcome of a case, the Constitution requires state collateral review courts to give retroactive effect to that rule. Teague ’s conclusion establishing the retroactivity of new
substantive rules is best und erstood as resting upon constitutional premises. That constitutional command is, like all federal law, binding on state courts. This holding is
limited to Teague ’s first exception for substantive rules;
the constitutional status of Teague ’s exception for watershed rules of procedure need not be addressed here.This Court’s precedents addressing the nature of substantive rules, their differences from procedural rules, and their history of retroactive application establish that the Constitution requires substantive rules to have retroactive effect regardless of when a conviction became final. The category of substantive rules discussed in Teague originated in Justice Harlan’s approach to retroactivity. Teague adopted that reasoning. See 489 U. S., at 292, 312 (discussing Mackey v. United States , 401 U. S. 667, 692(1971) (opinion concurring in judgments in part and dissenting in part); and Desist v. United States , 394 U. S. 244, 261, n. 2 (1969) (Harlan, J., dissenting)). Justice Harlan
defined substantive constitutional rules as “those that place, as a matter of constitu tional interpretation, certain kinds of primary, private individual conduct beyond the power of the criminal law-making authority to proscribe.” Mackey

, supra , at 692. In Penry v. Lynaugh , decided four
months after Teague , the Court recognized that “the first exception set forth in Teague should be understood to9 Cite as: 577 U. S. ____ (2016)

Opinion of the Court

cover not only rules forbiddi ng criminal punishment ofcertain primary conduct but also rules prohibiting a certain category of punishment for a class of defendants because of their status or offense.” 492 U. S., at 330. Penry explained that Justice Harlan’s first exception spoke “in terms of substant ive categorical guarantees accorded by the Constitution, regardless of the procedures
followed.” Id., at 329. Whether a new rule bars Statesfrom proscribing certain conduct or from inflicting a certain punishment, “[i]n both cases, the Constitution itself deprives the State of the powe r to impose a certain penalty.” Id., at 330. Substantive rules, then, se t forth categorical constitutional guarantees that place certain criminal laws andpunishments altogether beyond the State’s power to impose. It follows that when a State enforces a proscriptionor penalty barred by the Constitution, the resulting conviction or sentence is, by definition, unlawful. Procedural rules, in contrast, are designed to enhance the accuracy of a conviction or sentence by regulating “the manner of determining the defendant’s culpability.” Schriro , 542
U. S., at 353; Teague

, supra , at 313. Those rules “merely raise the possibility that someone convicted with use of the invalidated procedure might have been acquitted
otherwise.” Schriro

, supra , at 352. Even where procedural error has infected a trial, the resulting conviction or sentence may still be accurate; and, by extension, the defendant’s continued confinement may still be lawful. For this reason, a trial conducted under a procedure found
to be unconstitutional in a late r case does not, as a general matter, have the automatic consequence of invalidating a
defendant’s conviction or sentence. The same possibility of a valid result does not exist where a substantive rule has eliminated a State’s power to proscribe the defendant’s cond uct or impose a given punishment. “[E]ven the use of impeccable factfinding proce­10 MONTGOMERY v. LOUISIANA

Opinion of the Court

dures could not legitimate a verdict” where “the conductbeing penalized is constitutionally immune from punishment.” United States v. United States Coin & Currency

, 401 U. S. 715, 724 (1971). Nor could the use of flawless sentencing procedures legitimate a punishment where the
Constitution immunizes the defendant from the sentence imposed. “No circumstances call more for the invocation of a rule of complete retroactivity.” Ibid. By holding that new subs tantive rules are, indeed, retroactive, Teague continued a long tradition of giving
retroactive effect to constitutional rights that go beyond procedural guarantees. See Mackey

, supra , at 692–693 (opinion of Harlan, J.) (“[T]he writ has historically been available for attacking convictions on [substantive] grounds”). Before Brown v. Allen , 344 U. S. 443 (1953),
“federal courts would never cons ider the merits of a constitutional claim if the habeas petitioner had a fair opportunity to raise his arguments in the original proceeding.”
Desist , 394 U. S., at 261 (Harlan, J., dissenting). Even in the pre-1953 era of restricted federal habeas, however, an exception was made “when the habeas petitioner attacked the constitutionality of the state statute under which he had been convicted. Since, in this situation, the State had no power to proscribe the cond uct for which the petitioner was imprisoned, it could not constitutionally insist that he remain in jail.” Id. , at 261, n. 2 (Harlan, J., dissenting) (citation omitted).

In Ex parte Siebold , 100 U. S. 371 (1880), the Court addressed why substantive ru les must have retroactiveeffect regardless of when the defendant’s conviction became final. At the time of that decision, “[m]ere error in the judgment or proceedings, under and by virtue of which a party is imprisoned, constitute[d] no ground for the issue
of the writ.” Id ., at 375. Before Siebold , the law mighthave been thought to establish that so long as the conviction and sentence were imposed by a court of competent11 Cite as: 577 U. S. ____ (2016)

Opinion of the Court

jurisdiction, no habeas relief could issue. In Siebold

, however, the petitioners attacked the judgments on theground that they had been convicted under unconstitutional statutes. The Court explained that if “this positionis well taken, it affects the foundation of the whole proceedings.” Id. , at 376. A conviction under an unconstitutional law
“is not merely erroneous, but is illegal and void, and cannot be a legal cause of imprisonment. It is true, if no writ of error lies, the judgment may be final, in the sense that there may be no means of reversing it. But. . . if the laws are unconstitutional and void, the Circuit Court acquired no jurisdiction of the causes.” Id.

, at 376–377.

As discussed, the Court has concluded that the same logic governs a challenge to a punishment that the Constitution deprives States of authority to impose. Penry

, supra , at 330; see also Friendly, Is Innocence Irrelevant? Collateral Attack on Criminal Judgments, 38 U. Chi. L. Rev. 142, 151 (1970) (“Broadly speaking, the original sphere for
collateral attack on a conviction was where the tribunal lacked jurisdiction either in the usual sense or because the
statute under which the defe ndant had been prosecuted
was unconstitutional or because the sentence was one the court could not lawfully impo se” (footnotes omitted)). Aconviction or sentence imposed in violation of a substantive rule is not just erroneous but contrary to law and, as a result, void. See Siebold , 100 U. S., at 376. It follows, as a general principle, that a court has no authority to leave in place a conviction or sentence that violates a substantive rule, regardless of whether th e conviction or sentence
became final before the rule was announced.
Siebold and the other cases discussed in this opinion, of course, do not directly contro l the question the Court now answers for the first time. These precedents did not in­12 MONTGOMERY v. LOUISIANA

Opinion of the Court

volve a state court’s postconvi ction review of a conviction
or sentence and so did not address whether the Constitution requires new substantive rules to have retroactive
effect in cases on state collate ral review. These decisions,however, have important bearing on the analysis necessary in this case. In support of its holding that a conviction obtained under an unconstitutional law warrants habeas relief, the
Siebold Court explained that “[a]n unconstitutional law is void, and is as no law.” Ibid. A penalty imposed pursuant
to an unconstitutional law is no less void because the prisoner’s sentence became final before the law was held unconstitutional. There is no grandfather clause that permits States to enforce punishments the Constitution
forbids. To conclude otherwise would undercut the Constitution’s substantive guarantees. Writing for the Court in United States Coin & Currency , Justice Harlan made this point when he declared that “[n]o circumstances call more
for the invocation of a rule of complete retroactivity” than when “the conduct being penalized is constitutionally immune from punishment.” 401 U. S., at 724. United States Coin & Currency involved a case on direct review; yet, for the reasons explained in this opinion, the same principle should govern the application of substantive rules on collateral review. As Justice Harlan explained, where a State lacked the power to proscribe the habeas petitioner’s conduct, “it could not constitutionally insist that he remain in jail.” Desist

, supra , at 261, n. 2 (dissenting opinion). If a State may not constitutionally insist that a prisonerremain in jail on federal habeas review, it may not constitutionally insist on the same result in its own postconviction proceedings. Under the Supremacy Clause of the Constitution, state collateral review courts have no greater power than federal habeas courts to mandate that a prisoner continue to suffer punishment barred by the13 Cite as: 577 U. S. ____ (2016)

Opinion of the Court

Constitution. If a state collateral proceeding is open to a claim controlled by federal law, the state court “has a duty to grant the relief that federal law requires.” Yates , 484
U. S., at 218. Where state collateral review proceedingspermit prisoners to challenge the lawfulness of their confinement, States cannot refuse to give retroac tive effect to a substantive constitutional right that determines the outcome of that challenge. As a final point, it must be noted that the retroactive application of substantive rules does not implicate aState’s weighty interests in ensuring the finality of convictions and sentences. Teague warned against the intrusiveness of “ continually forc[ing] the States to marshal resources in order to keep in prison defendants whose trials and appeals conformed to then-existing constitu

tional standards.” 489 U. S., at 310. This concern has noapplication in the realm of substantive rules, for no resources marshaled by a State could preserve a conviction or sentence that the Constitution deprives the State of power to impose. See Mackey , 401 U. S., at 693 (opinion of Harlan, J.) (“There is little soci etal interest in permitting the criminal process to rest at a point where it ought properly never to repose”).In adjudicating claims under its collateral review procedures a State may not deny a controlling right asserted under the Constitution, assuming the claim is properlypresented in the case. Louisiana follows these basic Supremacy Clause principles in its postconviction proceedings for challenging the legality of a sentence. The State’s collateral review procedures are open to claims that a
decision of this Court has rendered certain sentences illegal, as a substantive matter, under the Eighth Amendment. See, e.g., State v. Dyer , 2011–1758, pp. 1–2 (La. 11/23/11), 77 So. 3d 928, 928–929 ( per curiam ) (considering claim on collateral re view that this Court’s decision in Graham v. Florida , 560 U. S. 48, rendered peti­14 MONTGOMERY v. LOUISIANA

Opinion of the Court

tioner’s life-without-parole se ntence illegal). Montgomery alleges that Miller announced a substantive constitutional rule and that the Louisiana Supreme Court erred by failing to recognize its retroacti ve effect. This Court has jurisdiction to review that determination.

III
This leads to the question whether Miller ’s prohibition on mandatory life without parole for juvenile offenders indeed did announce a new substantive rule that, under the Constitution, must be retroactive. As stated above, a procedural rule “regulate[s] only the manner of determining the defendant’s culpability.”
Schriro , 542 U. S., at 353. A substantive rule, in contrast, forbids “criminal punishment of certain primary conduct” or prohibits “a certain category of punishment for a class
of defendants because of their status or offense.” Penry

, 492 U. S., at 330; see also Schriro

, supra , at 353 (A substantive rule “alters the range of conduct or the class of persons that the law punishes”). Under this standard, and for the reasons explained below, Miller announced a substantive rule that is retroactive in cases on collateral
review.
The “foundation stone” for Miller ’s analysis was this Court’s line of precedent holding certain punishments disproportionate when applied to juveniles. 567 U. S., at ___, n. 4 (slip op., at 8, n. 4). Those cases include Graham

v. Florida

, supra , which held that the Eighth Amendment bars life without parole for ju venile nonhomicide offenders, and Roper v. Simmons

, 543 U. S. 551, which held that the Eighth Amendment prohibits capital punishment for those under the age of 18 at the time of their crimes. Protection against disproportionate punishment is the central substantive guarantee of the Eighth Amendmentand goes far beyond the manner of determining a defendant’s sentence. See Graham

, supra , at 59 (“The concept of15 Cite as: 577 U. S. ____ (2016)

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proportionality is central to the Eighth Amendment”);
see also Weems v. United States , 217 U. S. 349, 367 (1910); Harmelin v. Michigan , 501 U. S. 957, 997–998 (1991) (K ENNEDY , J., concurring in part and concurring in judgment).
Millertook as its starting premise the principle established in Roper and Graham that “children are constitutionally different from adults for purposes of sentencing.” 567 U. S., at ___ (slip op., at 8) (citing Roper

, supra , at 569–570; and Graham

, supra , at 68). These differences result from children’s “diminished culpability and greater prospects for reform,” and are apparent in three primary

ways:“First, children have a ‘lack of maturity and an underdeveloped sense of responsibility,’ leading to recklessness, impulsivity, and heedless risk-taking. Second, children ‘are more vulnerable to negative influences and outside pressures,’ including from their family and peers; they have limited ‘control over their
own environment’ and lack the ability to extricate themselves from horrific, crime-producing settings. And third, a child’s character is not as ‘well formed’ as an adult’s; his traits are ‘less fixed’ and his actions less likely to be ‘evidence of irretrievable depravity.’ ” 567 U. S., at ___ (slip op., at 8) (quoting Roper, supra

, at 569–570; alterations, citations, and some internal quotation marks omitted).

As a corollary to a child’s lesser culpability, Millerrecognized that “the distinctive attributes of youth diminish the penological justifications” for imposing life without parole on juvenile offenders. 567 U. S., at ___ (slip op., at9). Because retribution “relates to an offender’s blameworthiness, the case for retribut ion is not as strong with a
minor as with an adult.” Ibid. (quoting Graham

, supra , at 71; internal quotation marks omitted). The deterrence16 MONTGOMERY v. LOUISIANA

Opinion of the Court

rationale likewise does not su ffice, since “the same characteristics that render juveniles less culpable than adults— their immaturity, recklessness, and impetuosity—make them less likely to consider potential punishment.” 567
U. S., at ___–___ (slip op., at 9–10) (internal quotation marks omitted). The need for incapacitation is lessened, too, because ordinary adolescent development diminishes the likelihood that a juvenile offender “ ‘forever will be a danger to society.’ ” Id., at ___ (slip op., at 10) (quoting
Graham , 560 U. S., at 72). Rehab ilitation is not a satisfactory rationale, either. Re habilitation cannot justify the sentence, as life without parole “forswears altogether the rehabilitative ideal.” 567 U. S., at ___ (slip op., at 10) (quoting Graham

, supra , at 74). These considerations underlay the Court’s holding in
Millerthat mandatory life-without-parole sentences forchildren “pos[e] too great a risk of disproportionate punishment.” 567 U. S., at ___ (slip op., at 17). Millerrequires that before sentencing a juvenile to life withoutparole, the sentencing judge take into account “how children are different, and how those differences counsel against irrevocably sentencing them to a lifetime in prison.”
Ibid. The Court recognized that a sentencer might encounter the rare juvenile offender who exhibits such irretrievable depravity that rehabilitation is impossibleand life without parole is justified. But in light of “children’s diminished culpability and heightened capacity for change,” Miller made clear that “appropriate occasions for sentencing juveniles to this harshest possible penalty will
be uncommon.” Ibid.
Miller , then, did more than require a sentencer to consider a juvenile offender’s yo uth before imposing life without parole; it established that the penological justifications for life without parole collapse in light of “the distinctive attributes of youth.” Id., at ___ (slip op., at 9). Even if a court considers a child’s age before sentencing him or her17 Cite as: 577 U. S. ____ (2016)

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to a lifetime in prison, that sentence still violates the Eighth Amendment for a child whose crime reflects “ ‘unfortunate yet transient immaturity.’ ” Id. , at ___ (slip op., at 17) (quoting Roper , 543 U. S., at 573). Because Miller determined that sentencing a child to life without parole is
excessive for all but “ ‘the rare juvenile offender whose crime reflects irreparable corruption,’ ” 567 U. S., at ___ (slip op., at 17) (quoting Roper

, supra, at 573), it rendered life without parole an unconstitutional penalty for “a class of defendants because of their status”—that is, juvenile offenders whose crimes reflect the transient immaturity of youth. Penry , 492 U. S., at 330. As a result, Millerannounced a substantive rule of constitutional law. Like other substantive rules, Miller is retroactive because it

“ ‘necessarily carr[ies] a significant risk that a defendant’ ”—here, the vast majority of juvenile offenders—

“ ‘faces a punishment that the law cannot impose upon
him.’ ” Schriro , 542 U. S., at 352 (quoting Bousley v. United
States , 523 U. S. 614, 620 (1998)). Louisiana nonetheless argues that Miller is procedural because it did not place any punishment beyond the State’s power to impose; it instead required sentencing courts to take children’s age into account before condemning them to die in prison. In support of this argument, Louisiana points to Miller ’s statement that the decision “does not categorically bar a pe nalty for a class of offend

ers or type of crime—as, for example, we did in Roper or Graham . Instead, it mandates only that a sentencer follow a certain process—considering an offender’s youth
and attendant characteristics— before imposing a particular penalty.” Miller

, supra , at ___ (slip op., at 20). Miller

, it is true, did not bar a punishment for all juvenile offenders, as the Court did in Roper or Graham. Miller did barlife without parole, however, for all but the rarest of juvenile offenders, those whos e crimes reflect permanent incorrigibility. For that reason, Miller is no less substan­18 MONTGOMERY v. LOUISIANA

Opinion of the Court

tive than are Roper and Graham. Before Miller , every juvenile convicted of a homicide offense could be sentenced to life without parole. After Miller , it will be the rare juvenile offender who can receive that same sentence. The only difference between Roper and Graham , on the one hand, and Miller , on the other hand, is that Millerdrew a
line between children whose crimes reflect transient immaturity and those rare children whose crimes reflect irreparable corruption. The fact that life without parole could be a proportionate sentence for the latter kind of juvenile offender does not mean that all other children imprisoned under a disproportionate sentence have not suffered the deprivation of a substantive right. To be sure, Miller ’s holding has a procedural component.
Miller requires a sentencer to co nsider a juvenile offend

er’s youth and attendant char acteristics before determining that life without parole is a proportionate sentence. See 567 U. S., at ___ (slip op., at 20). Louisiana contends
that because Millerrequires this process, it must have setforth a procedural rule. This argument, however, conflates a procedural requirement necessary to implement a substantive guarantee with a ru le that “regulate[s] only
the manner of determining the defendant’s culpability.”
Schriro

, supra , at 353. There are instances in which a substantive change in the law must be attended by a procedure that enables a prison er to show that he falls within the category of persons whom the law may no longer punish. See Mackey , 401 U. S., at 692, n. 7 (opinion of Harlan, J.) (“Some rules may have both procedural and substantive ramifications, as I have used those termshere”). For example, when an element of a criminal offense is deemed unconstitut ional, a prisoner convictedunder that offense receives a new trial where the government must prove the prisoner’s conduct still fits within the modified definition of the crime. In a similar vein, when the Constitution prohibits a pa rticular form of punishment19 Cite as: 577 U. S. ____ (2016)

Opinion of the Court

for a class of persons, an affected prisoner receives a procedure through which he can show that he belongs to the protected class. See, e.g. , Atkins v. Virginia , 536 U. S. 304, 317 (2002) (requiring a procedure to determine whether a particular individual with an intellectual disability “fall[s] within the range of [intellectually disabled] offenders
about whom there is a national consensus” that execution is impermissible). Those procedural requirements do not, of course, transform substant ive rules into procedural

ones. The procedure Miller prescribes is no different. A hearing where “youth and its atte ndant characteristics” are considered as sentencing facto rs is necessary to separate those juveniles who may be sentenced to life without parole from those who may not. 567 U. S., at ___ (slip op., at 1). The hearing does not replace but rather gives effect

to Miller ’s substantive holding that life without parole is
an excessive sentence for children whose crimes reflect transient immaturity. Louisiana suggests that Miller cannot have made a
constitutional distinction between children whose crimes reflect transient immaturity and those whose crimes reflect irreparable corruption because Miller did not require trial courts to make a finding of fact regarding a child’s incorrigibility. That this finding is not required, however, speaks only to the degree of procedure Millermandated in order to implement its substantive guarantee. When a new substantive rule of constitutional law is established, this Court is careful to limit the scope of any attendant procedural requirement to avoid intruding more than necessary upon the States’ sovereign administration of their criminal justice systems. See Ford v. Wainwright

, 477 U. S. 399, 416–417 (1986) (“[W]e leave to the State[s] the task of developing appropriate ways to enforce the constitutional restriction up on [their] execution of sen

tences”). Fidelity to this important principle of federalism,20 MONTGOMERY v. LOUISIANA

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however, should not be cons trued to demean the substantive character of the federal right at issue. That Millerdid not impose a formal factfinding requirement does not
leave States free to sentence a child whose crime reflectstransient immaturity to life without parole. To the contrary, Millerestablished that this punishment is disproportionate under the Eighth Amendment. For this reason, the death penalty cases Louisiana cites in support of its position are inapposite. See, e.g. , Beard v. Banks , 542 U. S. 406, 408 (2004) (holding nonretroactivethe rule that forbids instructing a jury to disregard mitigating factors not found by a unanimous vote); O’Dell v. Netherland , 521 U. S. 151, 153 (1997) (holding nonretroactive the rule providing that, if the prosecutor cites future dangerousness, the defendant may inform the jury of his ineligibility for parole); Sawyer v. Smith , 497 U. S. 227, 229 (1990) (holding nonretroactive the rule that forbids suggesting to a capital jury that it is not responsible for a death sentence). Those decisions altered the processes in which States must engage before sentencing a person to death. The processes may have had some effect on the likelihood that capital punishment would be imposed, butnone of those decisions rendered a certain penalty unconstitutionally excessive for a category of offenders.
The Court now holds that Miller announced a substantive rule of constitutional law. The conclusion that Miller states a substantive rule comports with the principles that
informed Teague

. Teague sought to balance the important goals of finality and comity with the liberty interests ofthose imprisoned pursuant to rules later deemed unconstitutional. Miller ’s conclusion that the sentence of life without parole is disproportionate for the vast majority of juvenile offenders raises a gr ave risk that many are being
held in violation of the Constitution. Giving Miller retroactive effect, moreover, does not require States to relitigate sentences, let alone convic­21 Cite as: 577 U. S. ____ (2016)

Opinion of the Court

tions, in every case where a juvenile offender received mandatory life without parole. A State may remedy a
Millerviolation by permitting juvenile homicide offenders to be considered for parole, rather than by resentencing them. See, e.g., Wyo. Stat. Ann. §6–10–301(c) (2013) (juvenile homicide offenders eligible for parole after 25 years). Allowing those offenders to be considered for parole ensures that juvenile s whose crimes reflected only transient immaturity—and who have since matured—will not be forced to serve a dispro portionate sentence in viola

tion of the Eighth Amendment. Extending parole eligibility to juvenile offenders does not impose an onerous burden on the States, nor does it disturb the finality of state convictions. Those prisoners who have shown an inability to reform will continue to serve life sentences. The opportunity for release will be
afforded to those who demonstrate the truth of Miller ’s
central intuition—that children who commit even heinous crimes are capable of change.
Petitioner has discussed in his submissions to this Court his evolution from a troubled, misguided youth to a model member of the prison community. Petitioner states that he helped establish an inmate boxing team, of which he later became a trainer and coach. He alleges that he has contributed his time and labor to the prison’s silkscreen department and that he strives to offer advice and serve
as a role model to other inmates. These claims have not been tested or even addressed by the State, so the Courtdoes not confirm their accuracy. The petitioner’s submissions are relevant, however, as an example of one kind of evidence that prisoners might use to demonstrate
rehabilitation.

* * *
Henry Montgomery has spent each day of the past 46 years knowing he was condemned to die in prison. Per­22 MONTGOMERY v. LOUISIANA

Opinion of the Court

haps it can be established that, due to exceptional circumstances, this fate was a just and proportionate punishment
for the crime he committed as a 17-year-old boy. In light
of what this Court has said in Roper

, Graham , and Miller about how children are constitutionally different from adults in their level of culpability, however, prisoners like Montgomery must be given the opportunity to show their crime did not reflect irreparable corruption; and, if it did not, their hope for some years of life outside prison walls
must be restored. The judgment of the Supreme Court of Louisiana is reversed, and the case is remanded for further proceedings not inconsistent with this opinion.
It is so ordered._________________

_________________ 1 Cite as: 577 U. S. ____ (2016)

S CALIA

, J., dissenting



## SUPREME COURT OF THE UNITED STATES

No. 14–280

HENRY MONTGOMERY, PETITIONER v. LOUISIANA

ON WRIT OF CERTIORARI TO THE SUPREME COURT OF
LOUISIANA

[January 25, 2016]

J USTICE S CALIA , with whom J USTICE T HOMAS and
J USTICE A LITO join, dissenting.
The Court has no jurisdiction to decide this case, and the decision it arrives at is wrong. I respectfully dissent.

I. Jurisdiction
Louisiana postconviction courts willingly entertain Eighth Amendment claims but, with limited exceptions, apply the law as it existed when the state prisoner was
convicted and sentenced. Shortly after this Court an

nounced Teague v. Lane , 489 U. S. 288 (1989), the Louisi

ana Supreme Court adopted Teague ’s framework to govern the provision of postconviction remedies available to state prisoners in its state courts as a matter of state law. Tay

lor v. Whitley , 606 So. 2d 1292 (1992). In doing so, the court stated that it was “not bound” to adopt that federal
framework. Id., at 1296. One would think, then, that it is none of our business that a 69-year-old Louisiana prison

er’s state-law motion to be resentenced according to Miller

v. Alabama , 567 U. S. ___ (2012), a case announced almost half a century after his sentence was final, was met with a firm rejection on state-law grounds by the Louisiana Supreme Court. But a majority of this Court, eager to reach the merits of this case, resolves the question of our jurisdiction by deciding that the Constitution requires state postconviction courts to adopt Teague ’s exception for2 MONTGOMERY v. LOUISIANA

S CALIA

, J., dissenting

so-called “substantive” new rules and to provide state-law remedies for the violations of those rules to prisoners whose sentences long ago became final. This conscription into federal service of state po stconviction courts is noth

ing short of astonishing.

A
Teague announced that federal courts could not grant habeas corpus to overturn state convictions on the basis of a “new rule” of constitutional law—meaning one an

nounced after the convictions became final— unless that new rule was a “substantive rule” or a “watershed rul[e] of criminal procedure.” 489 U. S., at 311. The Teague pre

scription followed from Justice Harlan’s view of the “retro

activity problem” detailed in his separate opinion in Desist

v. United States , 394 U. S. 244, 256 (1969) (dissenting opinion), and later in Mackey v. United States , 401 U. S. 667, 675 (1971) (opinion concurring in judgment in part and dissenting in part). Placing the rule’s first exception in context requires more analysis than the majority has applied. The Court in the mid-20th century was confounded bywhat Justice Harlan called the “swift pace of constitutional change,” Pickelsimer v. Wainwright , 375 U. S. 2, 4 (1963) (dissenting opinion), as it vacated and remanded many cases in the wake of Gideon v. Wainwright , 372
U. S. 335 (1963). Justice Harlan called upon the Court to engage in “informed and deliberate consideration” of “whether the States are constitutionally required to apply [ Gideon ’s] new rule retrospecti vely, which may well re

quire the reopening of cases long since finally adjudicated in accordance with then applicable decisions of this
Court.” Pickelsimer, supra, at 3. The Court answered
that call in Linkletter v. Walker , 381 U. S. 618 (1965).
Linkletter began with the premise “that we are neither required to apply, nor prohibit ed from applying, a decision3 Cite as: 577 U. S. ____ (2016)

S CALIA

, J., dissenting

retrospectively” and went on to adopt an equitable rule-by

rule approach to retroactivity , considering “the prior history of the rule in question, its purpose and effect, and whether retrospective operatio n will further or retard its operation.” Id., at 629.
The Linkletter framework proved unworkable when the Court began applying the rule-by-rule approach not only
to cases on collateral review but also to cases on direct review, rejecting any distinction “between convictions now final” and “convictions at various stages of trial and direct
review.” Stovall v. Denno , 388 U. S. 293, 300 (1967). It was this rejection that drew Justice Harlan’s reproach in
Desist and later in Mackey . He urged that “all ‘new’ rules of constitutional law must, at a minimum, be applied to all those cases which are still subject to direct review by this
Court at the time the ‘new’ decision is handed down.” Desist, supra , at 258 (dissenting opinion). “Simply fishing one case from the stream of appellate review, using it as a vehicle for pronouncing new co nstitutional standards, and then permitting a stream of similar cases subsequently to flow by unaffected by that new rule constitute an indefen

sible departure from th[e] model of judicial review.” Mackey

, supra, at 679.
The decision in Griffith v. Kentucky , 479 U. S. 314 (1987), heeded this constitutional concern. The Court jettisoned the Linkletter test for cases pending on direct review and adopted for them Justice Harlan’s rule of redressability: “[F]ailure to apply a newly declared consti

tutional rule to criminal ca ses pending on direct review
violates basic norms of constitutional adjudication.” 479
U. S., at 322 (emphasis added). We established in Griffith that this Court must play by our own “old rules”—rules we
have settled before the defe ndant’s conviction and sen

tence become final, even those that are a “clear break from existing precedent”—for cases pending before us on direct appeal. Id., at 323. Since the Griffith rule is constitution

-4 MONTGOMERY v. LOUISIANA

S CALIA

, J., dissenting

ally compelled, we instructed the lower state and federal courts to comply with it as well. Ibid.
When Teague followed on Griffith ’s heels two years later, the opinion contained no discussion of “basic norms of constitutional adjudication,” Griffith

, supra, at 322, nor any discussion of the obligations of state courts. Doing away with Linkletter for good, the Court adopted Justice
Harlan’s solution to “the retro activity problem” for cases pending on collateral review—w hich he described not as a constitutional problem but as “a problem as to the scope of
the habeas writ .” Mackey

, supra , at 684 (emphasis added). Teague held that federal habeas courts could no longer upset state-court convictions for violations of so-called “new rules,” not yet announced when the conviction be

came final. 489 U. S., at 310. But it allowed for the previ

ously mentioned exceptions to this rule of nonredressabil

ity: substantive rules placing “certain kinds of primary, private individual conduct beyond the power of the crimi

nal law-making authority to proscribe” and “watershed rules of criminal procedure.” Id. , at 311. Then in Penry v. Lynaugh , 492 U. S. 302 (1989), the Court expanded this first exception for substantive rules to embrace new rules “prohibiting a certain category of punishment for a class of
defendants because of their status or offense.” Id., at 330.
Neither Teague nor its exceptions are constitutionally compelled. Unlike today’s majority, the Teague- era Court
understood that cases on collateral review are fundamen

tally different from those pending on direct review because of “considerations of finality in the judicial process.” Shea

v. Louisiana, 470 U. S. 51, 59–60 (1985). That line of finality demarcating the constitu tionally required rule in Griffith from the habeas rule in Teague supplies the an

swer to the not-so-difficult question whether a state postconviction court must remedy the violation of a new sub

stantive rule: No. A state court need only apply the law as
it existed at the time a defendant’s conviction and sen

-5 Cite as: 577 U. S. ____ (2016)

S CALIA

, J., dissenting

tence became final. See Griffith

, supra, at 322. And once final, “a new rule cannot reopen a door already closed.” James B. Beam Distilling Co. v. Georgia , 501 U. S. 529, 541 (1991) (opinion of Souter, J.). Any relief a prisoner might receive in a state court after finality is a matter of grace, not constitutional prescription.

B
The majority can marshal no case support for its con

trary position. It creates a co nstitutional rule where none
had been before: “ Teague ’s conclusion establishing the retroactivity of new substantive rules is best understood as resting upon constitutional premises” binding in both
federal and state courts. Ante, at 8. “Best understood.” Because of what? Surely no t because of its history and
derivation. Because of the Supremacy Clause, says the majority. Ante, at 12. But the Supremacy Clause cannot possibly answer the question before us here. It only elicits another question: What federal law is supreme? Old or new? The majority’s champion, Justice Harlan, said the old rules apply for federal habeas review of a state-court conviction: “[T]he habeas court need only apply the constitutional standards that prevailed at th e time the original proceed

ings took place,” Desist, 394 U. S., at 263 (dissenting opin

ion), for a state court cannot “toe the constitutional mark” that does not yet exist, Mackey , 401 U. S., at 687 (opinion of Harlan, J.). Following his analysis, we have clarified time and again—recently in Greene v. Fisher , 565 U. S. ___, ___–___ (2011) (slip op., at 4–5)—that federal habeas courts are to review state-court decisions against the law
and factual record that existed at the time the decisions were made. “Section 2254(d)(1) [of the federal habeas statute] refers, in the past tense, to a state-court adjudica

tion that ‘resulted in’ a decision that was contrary to, or ‘involved’ an unreasonable application of, established law.6 MONTGOMERY v. LOUISIANA

S CALIA

, J., dissenting

This backward-looking lang uage requires an examination
of the state-court decision at the time it was made.” Cul

len v. Pinholster , 563 U. S. 170, 181–182 (2011). How can it possibly be, then, that the Constitution requires a state court’s review of its own conv ictions to be governed by “new rules” rather than (what suffices when federal courts review state courts) “old rules”? The majority relies on the statement in United States v. United States Coin & Currency , 401 U. S. 715 (1971), that

“ ‘[n]o circumstances call more for the invocation of a rule of complete retroactivity’ ” than when “ ‘the conduct being penalized is constitutionally immune from punishment.’ ” Ante, at 9–10 (quoting 401 U. S., at 724). The majority neglects to mention that this statement was addressing
the “circumstances” of a conviction that “had not become final ,” id ., at 724, n. 13 (emphasis added), when the “rule of complete retroactivity” was invoked. Coin & Currency

, an opinion written by (guess whom?) Justice Harlan, merely foreshadowed the rule announced in Griffith , that all cases pending on direct re view receive the benefit of newly announced rules—better termed “old rules” for such
rules were announced before finality. The majority also misappropriates Yates v. Aiken , 484
U. S. 211 (1988), which reviewed a state habeas petition

er’s Fourteenth Amendment claim that the jury instruc

tions at his trial lessened the State’s burden to prove every element of his offense beyond a reasonable doubt. That
case at least did involve a conviction that was final. But the majority is oblivious to the critical fact that Yates’s claim depended upon an old rule , settled at the time of his
trial. Id., at 217. This Court reversed the state habeas court for its refusal to consider that the jury instructions
violated that old rule

. Ibid . The majority places great weight upon the dictum in Yates that the South Carolina
habeas court “ ‘ha[d] a duty to grant the relief that federal law requires.’ ” Ante, at 13 (quoting Yates

, supra , at 218).7 Cite as: 577 U. S. ____ (2016)

S CALIA

, J., dissenting

It is simply wrong to divorce that dictum from the facts it addressed. In that context, Yates merely reinforces the line drawn by Griffith : when state courts provide a forum for postconviction relief, they need to play by the “old
rules” announced before the date on which a defendant’s
conviction and sentence became final. The other sleight of hand performed by the majority is its emphasis on Ex parte Siebold , 100 U. S. 371 (1880). That case considered a petition for a federal writ of habeas corpus following a federal conviction, and the initial issue it confronted was its jurisdiction. A federal court has no inherent habeas corpus power, Ex parte Bollman , 4 Cranch 75, 94 (1807), but only that which is conferred (and limited) by statute, see, e.g., Felker v. Turpin , 518
U. S. 651, 664 (1996). As Siebold stated, it was forbidden
to use the federal habeas writ “as a mere writ of error.” 100 U. S., at 375. “The only ground on which this court, or any court, without some special statute authorizing it, [could] give relief on habeas corpus to a prisoner under
conviction and sentence of another court is the want of jurisdiction in such court over the person or the cause, or some other matter rendering its proceedings void.” Ibid. Turning to the facts before it, the Court decided it was within its power to hear Siebold’s claim, which did not merely protest that the conviction and sentence were
“erroneous” but contended that the statute he was convicted of violating was unconstitutional and the conviction therefore void: “[I]f the laws are unconstitutional and void, the Circuit Court acquired no jurisdiction of the causes.” Id., at 376–377. Siebold is thus a decision that expands
the limits of this Court’s power to issue a federal habeas writ for a federal prisoner. The majority, however, divines from Siebold “a general principle” that “a court has no authority to leave in place a conviction or sentence that violates a substantive rule, regardless of whether the conv iction or sentence became8 MONTGOMERY v. LOUISIANA

S CALIA

, J., dissenting

final before the rule was announced.” Ante , at 11. That is utterly impossible. No “general principle” can rationally
be derived from Siebold about constitutionally required remedies in state courts; indeed, the opinion does not even speak to constitutionally required remedies in federal courts. It is a decision about this Court’s statutory power to grant the Original Writ, not about its constitutional obligation to do so. Nowhere in Siebold did this Court
intimate that relief was cons titutionally required—or as the majority puts it, that a court would have had “no authority” to leave in place Siebold’s conviction, ante, at

11. The majority’s sorry acknowledgment that “ Siebold and the other cases discussed in this opinion, of course, do not directly control the question the Court now answers for the first time,” ibid. , is not nearly enough of a disclaimer. It is not just that they “do not directly control,” but that the dicta cherry picked from those cases are irrelevant; they addressed circumstances fundamentally different from those to which the majority now applies them. In

deed, we know for sure that the author of some of those dicta, Justice Harlan, held views that flatly contradict the majority. The majority’s maxim that “state collateral review courts have no greater power t han federal habeas courts to mandate that a prisoner continue to suffer punishment barred by the Constitution,” ante, at 12–13, begs the ques

tion rather than contributes to its solution. Until today,
no federal court was constitutionally obliged to grant relief for the past violation of a newly announced substantive rule. Until today, it was Congress’s prerogative to do away with Teague ’s exceptions altogether. Indeed, we had left unresolved the question whether Congress had al

ready done that when it amended a section of the habeas corpus statute to add backward-looking language govern

ing the review of state-court decisions. See Antiterrorism9 Cite as: 577 U. S. ____ (2016)

S CALIA

, J., dissenting

and Effective Death Penalty Act of 1996, §104, 110 Stat. 1219, codified at 28 U. S. C. §2254(d)(1); Greene, 565 U. S, at ___, n. (slip op., at 5, n.). A maxim shown to be more relevant to this case, by the analysis that the majority omitted, is this: The Supremacy Clause does not impose upon state courts a constitutional obligation it fails to impose upon federal courts.

C
All that remains to support the majority’s conclusion is that all-purpose Latin canon: ipse dixit . The majority opines that because a substantive rule eliminates a State’s power to proscribe certain co nduct or impose a certain punishment, it has “the automatic consequence of invali

dating a defendant’s conviction or sentence.” Ante, at 9. What provision of the Constitution could conceivably produce such a result? The Due Process Clause? It surely cannot be a denial of due process for a court to pronounce a final judgment which, though fully in accord with federal constitutional law at the time, fails to anticipate a change to be made by this Court half a century into the future. The Equal Protection Clause? Both statutory and (in

creasingly) constitutional laws change. If it were a denial of equal protection to hold an earlier defendant to a law more stringent than what exists today, it would also be a denial of equal protection to hold a later defendant to a law more stringent than what existed 50 years ago. No principle of equal protection requires the criminal law of all ages to be the same. The majority grandly asserts that “[t]here is no grandfa

ther clause that permits States to enforce punishments the Constitution forbids .” Ante , at 12 (emphasis added). Of course the italicized phrase begs the question. There most certainly is a grandfather clause—one we have called finality —which says that the Constitution does not re

quire States to revise punishments that were lawful when10 MONTGOMERY v. LOUISIANA

S CALIA

, J., dissenting

they were imposed. Once a conviction has become final,
whether new rules or old ones w ill be applied to revisit the conviction is a matter entirely within the State’s control; the Constitution has nothing to say about that choice. The majority says that there is no “possibility of a valid result”
when a new substantive rule is not applied retroactively.
Ante , at 9. But the whole controversy here arises because many think there is a valid result when a defendant has
been convicted under the law that existed when his convic

tion became final. And the States are unquestionably entitled to take that view of things. The majority’s imposition of Teague ’s first exception upon the States is all the worse because it does not adhere to that exception as initially conceived by Justice Harlan— an exception for rules that “place, as a matter of constitu

tional interpretation, certain kinds of primary, private
individual conduct beyond the power of the criminal law

making authority to proscribe.” Mackey , 401 U. S., at 692 (emphasis added). Rather, it endorses the exception as expanded by Penry , to include “rules prohibiting a certain category of punishment for a class of defendants because of their status or offense.” 492 U. S., at 330. That expan

sion empowered and obligated federal (and after today state) habeas courts to invoke this Court’s Eighth Amendment “evolving standards of decency” jurisprudence to upset punishments that we re constitutional when im

posed but are “cruel and unusual,” U. S. Const., Amdt. 8, in our newly enlightened society. See Trop v. Dulles , 356
U. S. 86, 101 (1958). The “evolving standards” test con

cedes that in 1969 the State had the power to punish Henry Montgomery as it did. Indeed, Montgomery could at that time have been sentenced to death by our yet unevolved society. Even 20 years later, this Court reaf

firmed that the Constitution posed no bar to death sen

tences for juveniles. Stanford v. Kentucky , 492 U. S. 361 (1989). Not until our People’s “standards of decency”11 Cite as: 577 U. S. ____ (2016)

S CALIA

, J., dissenting

evolved a mere 10 years ago—nearly 40 years after Mont

gomery’s sentence was imposed—did this Court declare the death penalty unconstitutional for juveniles. Roper v. Simmons , 543 U. S. 551 (2005). Even then, the Court reassured States that “the punishment of life imprison

ment without the possibility of parole is itself a severe sanction,” implicitly still available for juveniles. Id. , at
572. And again five years ago this Court left in place this severe sanction for juvenile homicide offenders. Graham

v. Florida , 560 U. S. 48, 69 (2010). So for the five decades Montgomery has spent in prison, not one of this Court’sprecedents called into question the legality of his sentence—until the People’s “standards of decency,” as per

ceived by five Justices, “evolved” yet again in Miller

. Teague ’s central purpose was to do away with the old regime’s tendency to “ continually force the States to mar

shal resources in order to keep in prison defendants whose trials and appeals conformed to then-existing constitu

tional standards.” 489 U. S., at 310. Today’s holding thwarts that purpose with a ve ngeance. Our ever-evolving Constitution changes the rules of “cruel and unusual punishments” every few years. In the passage from Mackey that the majority’s opinion quotes, ante, at 13, Justice Harlan noted the diminishing force of finality (and hence the equitable propriety—not the constitutional requirement—of disregarding it) when the law punishes nonpunishable conduct , see 401 U. S., at 693. But one cannot imagine a clearer frustration of the sensible policy
of Teague when the ever-moving target of impermissible punishments is at issue. Today’s holding not only fore

closes Congress from eliminating this expansion of Teague in federal courts, but also foists this distortion upon the
States.

II. The Retroactivity of Miller
Having created jurisdiction by ripping Teague ’s first12 MONTGOMERY v. LOUISIANA

S CALIA

, J., dissenting

exception from its moorings, converting an equitable rule governing federal habeas relie f to a constitutional com

mand governing state courts as well, the majority proceeds
to the merits. And here it confronts a second obstacle to
its desired outcome. Miller , the opinion it wishes to im

pose upon state postconviction courts, simply does not decree what the first part of the majority’s opinion says Teague ’s first exception requires to be given retroactive effect: a rule “set[ting] forth categorical constitutional guarantees that place certain criminal laws and punish

ments altogether beyond the State’s power to impose.”
Ante

, at 9 (emphasis added). No problem. Having distorted Teague , the majority simply proceeds to rewrite Miller

. The majority asserts that Miller “rendered life without parole an unconstitutional penal ty for ‘a class of defend

ants because of their status’—that is, juvenile offenders whose crimes reflect the transient immaturity of youth.” Ante, at 17. It insists that Miller barred life-without

parole sentences “for all but the rarest of juvenile offend

ers, those whose crimes refle ct permanent incorrigibility. For that reason, Milleris no less substantive than are Roper and Graham. ” Ante, at 17–18. The problem is that
Miller stated, quite clearly, precisely the opposite: “Our decision does not categorically bar a penalty for a class of offenders or type of crime—as, for example, we did in Roper or Graham . Instead, it mandates only that a sen

tencer follow a certain process —considering an offender’s youth and attendant characte ristics—before imposing a particular penalty.” 567 U. S., at ___ (slip op., at 20) (emphasis added). To contradict that clear statement, the majority opinion quotes passages from Miller that assert such things as “mandatory life-without-parole sentences for children ‘pos[e] too great a risk of disproportionate punishment’ ”
and “ ‘appropriate occasions for se ntencing juveniles to this harshest possible penalty will be uncommon.’ ” Ante , at 1613 Cite as: 577 U. S. ____ (2016)

S CALIA

, J., dissenting

(quoting Miller

, supra , at ___ (slip op., at 17)). But to say that a punishment might be inappropriate and dispropor

tionate for certain juvenile offend ers is not to say that it is unconstitutionally void. All of the statements relied on by the majority do nothing more than express the reason why the new, youth-protective procedure prescribed by Miller is desirable: to deter life sentences for certain juvenile of

fenders. On the issue of whether Miller rendered life

without-parole penalties unconstitutional, it is impossible
to get past Miller ’s unambiguous statement that “[o]ur decision does not categorically bar a penalty for a class of offenders” and “mandates only that a sentencer follow a certain process . . . before im posing a particular penalty.” 567 U. S., at ___ (slip op., at 20). It is plain as day that the majority is not applying Miller , but rewriting it. 1 And the rewriting has consequences beyond merely making Miller ’s procedural guarantee retroactive. If, indeed, a State is categorically prohibited from imposing life without parole on juvenile offenders whose crimes do not “reflect permanent incorrigi bility,” then even when the procedures that Miller demands are provided the constitu

tional requirement is not necessa rily satisfied. It remains available for the defendant sentenced to life without pa

role to argue that his crimes did not in fact “reflect per

manent incorrigibility.” Or as the majority’s opinion puts
it: “That Millerdid not impose a formal factfinding re

quirement does not leave States free to sentence a child [2]

——————

1 It is amusing that the majori ty’s initial description of Miller is the same as our own: “[T]he Court held that a juvenile convicted of a homicide offense could not be sentenced to life in prison without parole absent consideration of the juvenile’s special circumstances in light of the principles and purposes of juvenile sentencing.” Ante , at 1. Only 15 pages later, after softening the re ader with 3 pages of obfuscating analysis, does the majority dare to attribute to Miller that which Miller explicitly denies.

2 The majority presumably regards any person one day short of voting age as a “child.”14 MONTGOMERY v. LOUISIANA

S CALIA

, J., dissenting

whose crime reflects transient immaturity to life without parole. To the contrary, Miller established that this pun

ishment is disproportionate under the Eighth Amend

ment.” Ante , at 20. How wonderful. Federal and (like it or not) state judges are henceforth to resolve the knotty “legal” question: whether a 17-year-old who murdered an innocent sheriff ’s deputy half a century ago was at the time of his trial “incorrigible.” Under Miller , bear in mind, the inquiry is whether the inmate was seen to be incorrigible when he was sentenced—not whether he has proven corrigible and so can safely be paroled today. What silliness. (And how impossible in practice, see Brief for National District Attorneys Assn. et al. as Amici Curiae 9–17.) When in
Lockett v. Ohio , 438 U. S. 586, 608 (1978), the Court im

posed the thitherto unheard-of requirement that the sen

tencer in capital cases must consider and weigh all “rele

vant mitigating factors,” it at least did not impose the substantive (and hence judicially reviewable) requirement that the aggravators must outweigh the mitigators; it
would suffice that the sentencer thought so. And, fairly read, Miller did the same. Not so with the “incorrigibility” requirement that the Cou rt imposes today to make Miller
retroactive. But have no fear. The majority does not seriously ex

pect state and federal collate ral-review tribunals to en

gage in this silliness, probing the evidence of “incorrigibil

ity” that existed decades ago when defendants were sentenced. What the majority expects (and intends) to happen is set forth in the following not-so-subtle invita

tion: “A State may remedy a Miller violation by permitting juvenile homicide offenders to be considered for parole, rather than by resentencing them.” Ante , at 21. Of course. This whole exercise, this whole distortion of Mil

ler , is just a devious way of eliminating life without parole for juvenile offenders. The Court might have done that15 Cite as: 577 U. S. ____ (2016)

S CALIA

, J., dissenting

expressly (as we know, the Court can decree anything ), but that would have been something of an embarrassment. After all, one of the justifications the Court gave for de

creeing an end to the death penalty for murders (no mat

ter how many) committed by a juvenile was that life with

out parole was a severe enough punishment. See Roper

, 543 U. S., at 572. How could the majority—in an opinion written by the very author of Roper —now say that pun

ishment is also unconstitutional? The Court expressly refused to say so in Miller. 567 U. S., at ___ (slip op., at 17). So the Court refuses ag ain today, but merely makes imposition of that severe sanction a practical impossibil

ity. And then, in Godfather fashion, the majority makes state legislatures an offer they can’t refuse: Avoid all the utterly impossible nonsense we have prescribed by simply “permitting juvenile homicide offenders to be considered for parole.” Ante, at 21. Mission accomplished._________________

_________________ 1 Cite as: 577 U. S. ____ (2016)

T HOMAS

, J., dissenting



## SUPREME COURT OF THE UNITED STATES

No. 14–280

HENRY MONTGOMERY, PETITIONER v. LOUISIANA

ON WRIT OF CERTIORARI TO THE SUPREME COURT OF
LOUISIANA

[January 25, 2016]

J USTICE T HOMAS , dissenting.
I join J USTICE S CALIA ’s dissent. I write separately to explain why the Court’s resolution of the jurisdictional question, ante , at 5–14, lacks any foundation in the Con

stitution’s text or our historical traditions. We have juris

diction under 28 U. S. C. §1257 only if the Louisiana Su

preme Court’s decision implicates a federal right. That condition is satisfied, the Court holds, because the Consti

tution purportedly requires st ate and federal postconvic

tion courts to give “retroacti ve effect” to new substantive constitutional rules by applyi ng them to overturn longfinal convictions and sentences. Ante, at 8. Because our Constitution and traditions embrace no such right, I re

spectfully dissent.

I
“[O]ur jurisprudence concerning the ‘retroactivity’ of ‘new rules’ of constitutional law is primarily concerned, not with the question whether a constitutional violation occurred, but with the availability or nonavailability of
remedies.” Danforth v. Minnesota , 552 U. S. 264, 290–291 (2008). Accordingly, the issue in this case is not whether prisoners who received mandatory life-without-parole sentences for crimes they committed decades ago as juve

niles had an Eighth Amendment right not to receive such a sentence. Rather, the question is how, when, and in2 MONTGOMERY v. LOUISIANA

T HOMAS

, J., dissenting

what forum that newfound right can be enforced. See
ibid. The Court answers that question one way: It says that state postconviction and federal habeas courts are consti

tutionally required to supply a remedy because a sentence or conviction predicated upon an unconstitutional law is a legal nullity. See ante, at 8–14. But nothing in the Con

stitution’s text or in our constitutional tradition provides such a right to a remedy on collateral review.

A
No provision of the Constitution supports the Court’s holding. The Court invokes only the Supremacy Clause,asserting that the Clause deprives state and federal postconviction courts alike of power to leave an unconstitu

tional sentence in place. Ante, at 12–13. But that leaves the question of what provision of the Constitution supplies that underlying prohibition. The Supremacy Clause does not do so. That Clause merely supplies a rule of decision: If a federal constitu

tional right exists, that ri ght supersedes any contrary provisions of state law. See Art. VI, cl. 2 (“This Constitu

tion, and the Laws of the United States which shall be made in Pursuance thereof . . . shall be the supreme Law of the Land; and the Judges in every State shall be bound thereby, any Thing in the Constitution or Laws of any State to the Contrary notwithstanding”). Accordingly, as we reaffirmed just last Term, the Supremacy Clause is no independent font of substantive rights. Armstrong v. Exceptional Child Center, Inc. , 575 U. S. ___, ___ (2015) (slip op., at 3). Nor am I aware of any other provision in the Constitu

tion that would support the Court’s new constitutional right to retroactivity. Of the natural places to look— Article III, the Due Process Clauses of the Fifth and Four

teenth Amendments, and the Equal Protection Clause of3 Cite as: 577 U. S. ____ (2016)

T HOMAS

, J., dissenting

the Fourteenth Amendment—none establishes a right to void an unconstitutional sentence that has long been final. To begin, Article III does not contain the requirement that the Court announces today. Article III vests “[t]he judicial Power” in this Court and whatever inferior courts Congress creates, Art. III, §1, and “extend[s]” that power to various “Cases . . . and Controversies,” Art. III, §2. Article III thus defines the scope of federal judicial power. It cannot compel state postconviction courts to apply new substantive rules retroactively.
Even if the Court’s holdin g were limited to federal courts, Article III would not justify it. The nature of “judi

cial power” may constrain th e retroactivity rules that Article III courts can apply.* But even our broad modern precedents treat Article III as requiring courts to apply new rules only on direct review. Thus in Griffith v. Ken

tucky , 479 U. S. 314 (1987), the Court suggested—based
on Justice Harlan’s views—that “after we have decided a new rule in the case selected, the integrity of judicial review requires that we apply t hat rule to all similar cases pending on direct review.” Id. , at 322–323. But, as Jus

tice Harlan had explained, t hat view of Article III has no
force on collateral review: “W hile the entire theoretical underpinnings of judicial review and constitutional su

premacy dictate that federal co urts having jurisdiction on direct review adjudicate every issue of law . . . fairly impli

cated by the trial process belo w and properly presented on appeal, federal courts have never had a similar obligation on habeas corpus.” Mackey v. United States , 401 U. S. 667, 682 (1971) (opinion concurring in judgment in part and dissenting in part).

——————

* For instance, Article III courts cannot arrive at a holding, refuse to apply it to the case at hand, and lim it its application to future cases involving yet-to-occur events. The po wer to rule prospectively in this way is a quintessentially legislative power. See Harper v. Virginia Dept. of Taxation , 509 U. S. 86, 106–110 (1993) (S CALIA , J., concurring).4 MONTGOMERY v. LOUISIANA

T HOMAS

, J., dissenting

The Court’s holding also cannot be grounded in the Due Process Clause’s prohibition on “depriv[ations] . . . of life, liberty, or property, without due process of law.” Amdts. V and XIV, §1. Quite possibly, “ ‘[d]ue process of law’ was originally used as a shorthand expression for governmen

tal proceedings according to the ‘law of the land’ as it existed at the time of those proceedings .” In re Winship

, 397 U. S. 358, 378 (1970) (Black, J., dissenting) (emphasis added); accord, Johnson v. United States , 576 U. S. ___, ___ (2015) (T HOMAS

, J., concurring in judgment) (slip op., at 17). Under that understanding, due process excluded any right to have new substantive rules apply retroactively. Even if due process required courts to anticipate this Court’s new substantive rules, it would not compel courts
to revisit settled conviction s or sentences on collateral review. We have never understood due process to require further proceedings once a trial ends. The Clause “does not establish any right to an appeal . . . and certainly does not establish any right to collaterally attack a final judg

ment of conviction.” United States v. MacCollom , 426
U. S. 317, 323 (1976) (plurality opinion); see Pennsylvania

v. Finley , 481 U. S. 551, 557 (1987) (“States have no obli

gation to provide [postconviction] relief ”). Because the Constitution does not require postconviction remedies, it certainly does not require pos tconviction courts to revisit every potential type of error. Cf. Martinez v. Court of Appeal of Cal., Fourth Appellate Dist. , 528 U. S. 152, 165– 166 (2000) (S CALIA , J., concurring in judgment) (“Since a State could . . . subject its tri al-court determinations to no review whatever, it could a fortiori subject them to review
which consists of a nonadversarial reexamination of con

victions by a panel of government experts”). Nor can the Equal Protection Clause justify requiring courts on collateral review to apply new substantive rules retroactively. That Clause prohibits a State from “de

-5 Cite as: 577 U. S. ____ (2016)

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, J., dissenting

ny[ing] to any person within its jurisdiction the equal protection of the laws.” Amdt. XIV, §1. But under our precedents “a classification neither involving fundamental rights nor proceeding along suspect lines . . . cannot run afoul of the Equal Protection Clause if there is a rational relationship between the disparity of treatment and some legitimate governmental purpose.” Armour v. Indianapo

lis, 566 U. S. ___, ___ (2012) (slip op., at 6) (internal quota

tion marks omitted; ellipsis in original). The disparity the Court eliminates today—between prisoners whose cases were on direct review when this Court announced a new substantive constitutional rule, and those whose convictions had already become final—is one we have long considered rational. “[T]he notion that different standards should ap ply on direct and collateral review runs throughout our re cent habeas jurisprudence.” Wright v. West , 505 U. S. 277, 292 (1992); see Brecht v. Abrahamson , 507 U. S. 619, 633–635 (1993). Thus, our precedents recognize a right to counsel on direct review, but not in collateral proceedings. Compare Douglas v. California , 372 U. S. 353, 355–358 (1963) (courts must provide counsel on an initial direct appeal), with Finley

, supra , at 555 (no such right on habeas). The Fourth Amendment also applies diffe rently on direct and collat

eral review. Compare Mapp v. Ohio , 367 U. S. 643, 654– 660 (1961) (courts on direct review must exclude evidence obtained in violation of the Fourth Amendment), with
Stone v. Powell , 428 U. S. 465, 489–496 (1976) (no relitiga

tion of such claims on collateral review). These distinctions are reasonable. They reflect the “significant costs” of collateral review, including disrup

tion of “the State’s significant interest in repose for con

cluded litigation.” Wright, supra, at 293 (internal quota

tion marks omitted). Our equal protection precedents, therefore, do not compel a uniform rule of retroactivity in direct and collateral proceedings for new substantive6 MONTGOMERY v. LOUISIANA

T HOMAS

, J., dissenting

constitutional rules.

B

The Court’s new constitutional right also finds no basis in the history of state and fe deral postconviction proceed

ings. Throughout our history, postconviction relief for alleged constitutional defects in a conviction or sentence was available as a matter of legislative grace, not constitu

tional command. The Constitution mentions habeas relief only in the Suspension Clause, which specifies that “[t]he Privilege of
the Writ of Habeas Corpus shall not be suspended, unless when in Cases of Rebellion or Invasion the public Safety may require it.” Art. I, §9, cl. 2. But that Clause does not specify the scope of the writ. And the First Congress, in prescribing federal habeas jurisdiction in the 1789 Judici

ary Act, understood its scope to reflect “the black-letter principle of the common law that the writ was simply not available at all to one convicted of crime by a court of competent jurisdiction.” Bator, Finality in Criminal Law and Federal Habeas Corpus for State Prisoners, 76 Harv.
L. Rev. 441, 466 (1963). Early cases echoed that under

standing. E.g., Ex parte Watkins , 3 Pet. 193, 202 (1830) (“An imprisonment under a judgment cannot be unlawful, unless that judgment be an absol ute nullity; and it is not a nullity if the court has general jurisdiction of the subject, although it should be erroneous”). For nearly a century thereafter, this Court understood the Judiciary Act and successor provisions as limiting
habeas relief to instances where the court that rendered the judgment lacked jurisdiction over the general category of offense or the person of the prisoner. See Wright

, supra , at 285 (recounting history). Federal habeas courts thus afforded no remedy for a claim that a sentence or convic

tion was predicated on an unconstitutional law. Nor did States. Indeed, until 1836, Vermont made no provision for7 Cite as: 577 U. S. ____ (2016)

T HOMAS

, J., dissenting

any state habeas proceedings. See Oaks, Habeas Corpus in the States 1776–1865, 32 U. Chi. L. Rev. 243, 250 (1965). Even when States allowed collateral attacks in state court, review was unavailable if the judgment of conviction was rendered by a court with general jurisdic

tion over the subject matter and the defendant. Id., at
261–262. The Court portrays Ex parte Siebold , 100 U. S. 371 (1880), as a departure from this history and as the genesis of a constitutional principle that “a conviction obtained
under an unconstitutional law warrants habeas relief.”
Ante , at 12. But Siebold —a case construing the scope of federal habeas review under the 1789 Judiciary Act—does not support the Court’s position. Ante, at 7–8 (S CALIA

, J., dissenting). Siebold did not imply that the Constitution requires courts to stop enforcing convictions under an unconstitutional law. Rather, Siebold assumed that pris

oners would lack a remedy if the federal habeas statute did not allow challenges to such convictions. 100 U. S., at 377 (“It is true, if no writ of error lies, the judgment may be final, in the sense that there may be no means of re

versing it”). Moreover, when Congress authorized appeals as a mat

ter of right in federal criminal cases, the Court renounced
Siebold and stopped entertaining federal habeas chal

lenges to the constitutionality of the statute under which a defendant was sentenced or convicted. See Bator, supra , at 473–474, and n. 77. If the Constitution prevented courts from enforcing a void conviction or sentence even
after the conviction is final , this Court would have been incapable of withdrawing relief. The Court’s purported consti tutional right to retroactiv

ity on collateral review has no grounding even in our mod

ern precedents. In the 1950’s, this Court began recogniz

ing many new constitutional rights in criminal proceed

ings. Even then, however, the Court did not perceive any8 MONTGOMERY v. LOUISIANA

T HOMAS

, J., dissenting

constitutional right for prison ers to vacate their convic

tions or sentences on collateral review based on the Court’s new interpretations of the Constitution. To the contrary, the Court derived Miranda warnings and the exclusionary rule from the Constitution, yet drew the line at creating a constitutional right to retroactivity. E.g.,
Linkletter v. Walker , 381 U. S. 618, 629 (1965) (“[T]he Constitution neither prohibit s nor requires retrospective effect. As Justice Cardozo said, ‘We think the Federal Constitution has no voice upon the subject’ ”). Only in 1987, in Griffith v. Kentucky , 479 U. S. 314, did this Court change course and hold that the Constitution requires courts to give consti tutional rights some retroac

tive effect. Even then, Griffith was a directive only to

courts on direct review. It held that “a new rule for the conduct of criminal prosecutions is to be applied retroac

tively to all cases, state or federal, pending on direct re

view or not yet final.” Id ., at 328. It said nothing about what happens once a case becomes final. That was re

solved in Teague v. Lane , 489 U. S. 288 (1989)—which announced the narrow exceptions to the rule against retroactivity on collateral review—but which did so by interpreting the scope of the federal habeas writ, not the
Constitution.

II
A
Not only does the Court’s no vel constitutional right lack any constitutional foundation; the reasoning the Court uses to construct this right lacks any logical stopping point. If, as the Court supposes, the Constitution bars courts from insisting that pris oners remain in prison when
their convictions or sentences are later deemed unconsti

tutional, why can courts let stand a judgment that wrongly decided any constitutional question? The Court confronted this question when Siebold and9 Cite as: 577 U. S. ____ (2016)

T HOMAS

, J., dissenting

other cases began expanding the federal habeas statute to encompass claims that a sentence or conviction was con

stitutionally void. But the Court could not find a satisfac

tory answer: “A judgment ma y be erroneous and not void, and it may be erroneous because it is void. The distinc

tions . . . are very nice, and they may fall under the one class or the other as they are regarded for different pur

poses.” Ex parte Lange , 18 Wall. 163, 175–176 (1874). The lack of any limiting principle became apparent as the Court construed the federal habeas statute to supply jurisdiction to address prerequisites to a valid sentence or conviction (like an indictment). See Bator, 76 Harv.
L. Rev., at 467–468, and n. 56, 471. As Justice Bradley,
Siebold ’s author, later observed fo r the Court: “It is diffi

cult to see why a conviction and punishment under an unconstitutional law is more violative of a person’s consti

tutional rights, than an unconstitutional conviction and punishment under a valid law.” In re Nielsen , 131 U. S. 176, 183 (1889). I doubt that today’s rule will fare any better. By refash

ioning Siebold as the foundation of a purported constitu

tional right, the Court transforms an unworkable doctrine into an immutable command. Because Justice Bradley’s
dicta in Siebold was a gloss on the 1789 Judiciary Act, Congress could at least supply a fix to it. But the Court’s
reinvention of Siebold as a constitutional imperative eliminates any room for legislative adjustment.

B
There is one silver lining to today’s ruling: States still have a way to mitigate its impact on their court systems. As the Court explains, States must enforce a constitutional right to remedies on collateral review only if such pro

ceedings are “open to a claim controlled by federal law.” Ante, at 13. State courts, on collateral review, thus must provide remedies for claims under Miller v. Alabama , 56710 MONTGOMERY v. LOUISIANA

T HOMAS

, J., dissenting

U. S. ___ (2012), only if those courts are open to “claims
that a decision of this Court has rendered certain sentenc

es illegal . . . under the Eighth Amendment.” See ante

, at 13. Unlike the rule the Court announces today, this limita

tion at least reflects a constitu tional principle. Only when
state courts have chosen to entertain a federal claim can the Supremacy Clause conceivably command a state court to apply federal law. As we explained last Term

, private parties have no “constitutional . . . right to enforce federal laws against the States.” Armstrong , 575 U. S., at ___ (slip op., at 4). Instead, the Constitution leaves the initial choice to entertain federal claims up to state courts, which are “tribunals over which the government of the Union has no adequate control, and which may be closed to any claim
asserted under a law of the United States.” Osborn v. Bank of United States , 9 Wheat. 738, 821 (1824). States therefore have a modest path to lessen the bur

dens that today’s decision will inflict on their courts. States can stop entertaining claims alleging that this Court’s Eighth Amendment decisions invalidated a sen

tence, and leave federal habeas courts to shoulder the burden of adjudicating such claims in the first instance. Whatever the desirability of that choice, it is one the
Constitution allows States to make.

* * *
Today’s decision repudiates established principles of finality. It finds no support in the Constitution’s text, and
cannot be reconciled with our Na tion’s tradition of consid

ering the availability of postconviction remedies a matter about which the Constitution has nothing to say. I re

spectfully dissent.