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Page Number: 4

Cite as:  598 U. S. 17 (2023) 

19 

Syllabus 

the  Arizona  Supreme  Court  in  treating  Lynch  differently  than  other 
transformative decisions of this Court.  Although Lynch did not change 
this  Court's  interpretation  of  Simmons,  it  did  change  the  operation  of 
Simmons  by  Arizona  courts  in  a  way  that  matters  for  Rule  32.1(g). 
And  it  makes  no  difference  that  Lynch  did  not  alter  federal  law.  The 
analytic  focus  of  Arizona  courts  applying  Rule  32.1(g)  has  always  been 
on  the  impact  to  Arizona  law.  Nor  does  this  Court's  interpretation 
forestall  Arizona's  ability  to  develop  its  Rule  32.1(g)  jurisprudence  in 
new  contexts.  That  the  Arizona  Supreme  Court  had  never  before  ap-
plied Rule 32.1(g) to a summary reversal did not present a new context 
in  this  case.  Finally,  no  effective  parallel  can  be  drawn  between  Rule 
32.1(g) and very different procedural rules governing federal prisoners, 
e. g., 28 U. S. C. §§ 2255(f), (h).  Pp. 29–32. 

251 Ariz. 203, 487 P. 3d 991, vacated and remanded. 

Sotomayor,  J.,  delivered  the  opinion  of  the  Court,  in  which  Roberts, 
C.  J.,  and  Kagan,  Kavanaugh,  and  Jackson,  JJ.,  joined.  Barrett,  J., 
fled  a  dissenting  opinion,  in  which  Thomas,  Alito,  and  Gorsuch,  JJ., 
joined, post, p. 32. 

Neal  Kumar  Katyal  argued  the  cause  for  petitioner. 
With  him  on  the  briefs  were  Katherine  B.  Wellington,  Wil-
liam E. Havemann, Jon M. Sands, and Cary Sandman. 

Joseph  A.  Kanefeld  argued  the  cause  for  respondent. 
With him on the briefs were Mark Brnovich, Attorney Gen-
eral  of  Arizona,  Brunn  W.  Roysden  III,  Solicitor  General, 
Jeffrey  L.  Sparks,  Deputy  Solicitor  General,  and  Erin  Ben-
nett, Laura P. Chiasson, and Ginger Jarvis, Assistant Attor-
neys General.* 

*Melanie  L.  Bostwick,  Thomas  M.  Bondy,  and  Melanie  Hallums  fled 

a brief for Federal Courts Scholars as amici curiae urging reversal. 

Briefs of amici curiae urging vacatur were fled for the Arizona Capital 
Representation  Project  et  al.  by  Elizabeth  G.  Bentley;  for  LatinoJustice 
PRLDEF et al. by Bruce H. Schneider, Lourdes Rosado, Janai S. Nelson, 
and  Samuel  Spital;  and  for  the  Ohio  Justice  &  Policy  Center  et  al.  by 
Michael E. Bern, Michael L. Zuckerman, and Easha Anand. 

Briefs of amici curiae were fled for the National Association of Crimi-
nal  Defense  Lawyers  et  al.  by  Noah  A.  Levine,  Jeffrey  L.  Fisher,  David 
D. Cole, and Jared G. Keenan; and for Jonathan F. Mitchell et al. by Adam 
K. Mortara and Mr. Mitchell, both pro se. 

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