United States Court of Appeals for the Federal Circuit 

05-1547, -1578 

HIGHWAY EQUIPMENT COMPANY, INC., 

Plaintiff-Cross Appellant, 

v. 

FECO, LTD. and STAN DUNCALF, 

Defendants-Appellants. 

Stephen J. Holtman, Simmons, Perrine, Albright & Ellwood, PLC, of Cedar 

Rapids, Iowa, argued for plaintiff-cross appellant. With him on the brief was David A.

Hacker. 

 David A. Tank, Davis, Brown, Koehn, Shors & Roberts, P.C., of Des Moines, 

Iowa, argued for defendants-appellants. With him on the brief was Deborah M. 

Tharnish. 

 W. Michael Garner, Dady & Garner, P.A., of Minneapolis, Minnesota, for amici 

curiae. 

Appealed from: United States District Court for the Northern District of Iowa 

Magistrate Judge John A. Jarvey 
United States Court of Appeals for the Federal Circuit

 

05-1547, 1578 

HIGHWAY EQUIPMENT COMPANY, INC. 

 Plaintiff-Cross Appellant, 

v. 

FECO, LTD. and STAN DUNCALF, 

 Defendants-Appellants. 

__________________________ 

DECIDED: November 21, 2006 

__________________________ 

Before SCHALL, LINN, and DYK Circuit Judges. 

LINN, Circuit Judge. 

FECO, Ltd. (“FECO”) appeals from a judgment of the U.S. District Court for the 

Northern District of Iowa making final an order granting Highway Equipment Company, 

Inc.’s (“Highway Equipment”) summary judgment on FECO’s claim for wrongful 

termination of dealership and denying FECO’s motion for attorney fees and expenses 

pursuant to 35 U.S.C. § 285. Highway Equipment cross-appeals from the ruling that the 

district court had subject matter jurisdiction over FECO’s motion for attorney fees. 

Because the district court properly entertained FECO’s claim for attorney fees and did 

not err in denying attorney fees, and because the district court lacked jurisdiction over 

FECO’s wrongful termination of dealership claim, we affirm-in-part, vacate-in-part, and 

remand. 
I. BACKGROUND 

FECO and Highway Equipment are Iowa corporations that manufacture and sell 

agricultural equipment including spreaders for applying particulate material, such as

fertilizer to fields or salt to roads. Highway Equipment is also the owner of U.S. Patent 

No. 6,517,281 (the ’281 patent), directed to an adjustable spreader that allows for a 

more precise application of the various types and densities of particulate material. 

On October 1, 1996, Highway Equipment entered into an agreement with FECO, 

authorizing FECO to sell Highway Equipment’s adjustable spreader. The agreement

was governed by the Iowa Agricultural Equipment Dealer Statute, Iowa Code § 322F 

(“322F”), which regulates certain aspects of contractual relationships between 

agricultural equipment suppliers and dealers. 322F provides, among other things, that a 

supplier shall terminate a dealership agreement only upon good cause and with at least 

ninety-days prior written notice. On September 16, 2002, without good cause and 

without prior written notice, Highway Equipment terminated FECO as its agricultural 

equipment dealer. 

In December of 2002, or sometime shortly thereafter, FECO began 

manufacturing an adjustable spreader. The ’281 patent issued on February 11, 2003. 

On June 17, 2003, Highway Equipment sued FECO and its president, Stan Duncalf

(collectively “FECO”) for infringement of the ’281 patent. Also named as a defendant in 

that case was Doyle Equipment Manufacturing Company (“Doyle”). Highway 

Equipment averred in its complaint that the district court possessed subject matter 

jurisdiction over the counts alleging infringement pursuant to 28 U.S.C. § 1338(a). 

05-1547, 1578 2
FECO filed affirmative defenses, based on inventorship and inequitable conduct, 

and counterclaimed for a declaratory judgment of non-infringement and invalidity and for 

tortious interference with a prospective business relationship. FECO also sought 

damages pursuant to 322F for wrongful termination of its dealership agreement with 

Highway Equipment. FECO asserted that the district court possessed supplemental

jurisdiction over the counterclaim, alleging violation of the Iowa Code pursuant to 28 

U.S.C. § 1367(a). FECO also sought attorney fees and costs. 

On November 1, 2004, Highway Equipment moved for partial summary judgment 

on FECO’s counterclaim for damages pursuant to 322F. On March 22, 2005, the 

district court, by an interlocutory order, granted Highway Equipment’s summary 

judgment motion. The district court held that, as a matter of law, FECO was not entitled 

to damages for wrongful termination of dealership under the statute because the statute 

expressly lists certain acts that are “violations” of 322F and wrongful termination of 

dealership is not enumerated on the list. See Highway Equipment Co. v. FECO, Ltd., 

No. 03-CV-0076 (N.D. Iowa Mar. 22, 2005) (“322F Order”); see also Iowa Code §

322F.7. Trial on the remaining patent-related issues was scheduled to begin in April, 

with the final pretrial conference set for April 1, 2005. 

On March 31, 2005, Highway Equipment filed a stipulation and motion for 

dismissal with prejudice of all of its claims against Doyle. Doyle likewise stipulated to 

dismiss with prejudice all claims against Highway Equipment. The next day, on April 1,

2005, Highway Equipment filed the following “Declaration and Covenant Not to Sue” 

(“covenant”): 

Highway Equipment Company, on behalf of itself and 

any successors-in-interest to [the ’281 patent], hereby 

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unconditionally and irrevocably covenants not to assert at 

any time any claim of patent infringement including direct 

infringement, contributory infringement and/or inducing 

infringement against [FECO] under the ’281 patent, as it 

currently reads, based on [FECO’s] manufacture, use, offer 

for sale, or sale of 

(1) any product that [FECO] currently manufactures; 

and/or 

(2) any product that [FECO] manufactured prior to the 

date of this declaration. 

By order dated that same day, the district court entered a dismissal with 

prejudice as to the claims between Highway Equipment and Doyle, based on the 

stipulations between them. Because the covenant withdrew the controversy regarding 

infringement, on April 4, 2005, the district court canceled the jury trial and set April 5, 

2005 as the deadline for FECO to file a motion for attorney fees under 35 U.S.C. § 285. 

On April 7, 2005, FECO filed its motion for attorney fees pursuant to 35 U.S.C. 

§ 285 and requested a hearing. FECO alleged the case was exceptional under 35 

U.S.C. § 285 because Highway Equipment engaged in litigation misconduct and 

inequitable conduct during prosecution of the ’281 patent. On April 12, 2005, Highway

Equipment filed an opposition to the motion, contending that the court could not properly 

entertain the attorney fee issue because Highway Equipment’s covenant not to sue 

FECO for infringement divested the court of subject matter jurisdiction over the claim for 

attorney’s fees and that, in the alternative, FECO did not obtain a disposition on the 

merits that would make it a prevailing party for purposes of 35 U.S.C. § 285. 

On April 18, 2005, pursuant to Fed. R. Civ. P. 41(a)(2), FECO sought an order

dismissing Highway Equipment’s underlying infringement claim with prejudice and 

retaining jurisdiction to entertain the fee request. On April 20, 2005, Highway

Equipment filed a brief “resisting” the motion, arguing that, although the covenant 

05-1547, 1578 4
rendered all matters moot such that the court should dismiss all claims, including the fee 

claim, a dismissal with prejudice was not warranted. On April 21, 2005, FECO filed a 

reply, arguing that a dismissal with prejudice was required under the facts of this case 

because, among other things, the filing of the covenant is a “unilateral declaration of

intent not supported by consideration, which [Highway Equipment] can attempt to 

withdraw, amend, or alter at any time.” FECO’s April 21, 2005 brief reiterated its 

demand for dismissal of the patent claims with prejudice, arguing that “[a]bsent a 

definitive and judicially sanctioned resolution of [Highway Equipment’s] affirmative 

claims [demanding among other things damages for past infringement], the threat of 

further litigation is substantial.” 

On April 22, 2005, the district court ruled that, although it was dismissing the 

entire action under Fed. R. Civ. P. 41(a)(2) in light of the filing of the covenant, it 

nonetheless retained subject matter jurisdiction over FECO’s fee request under 35 

U.S.C. § 285. See Highway Equipment Co. v. FECO, Ltd., No. 03-CV-0076 (N.D. Iowa, 

April 22, 2005) (“Jurisdiction Order”). The court also found that it could properly

entertain the fee claim because it concluded that FECO was a prevailing party for 

purposes of § 285. The court then set a hearing date on FECO’s fee motion. Id., slip 

op. at 9. 

On July 27, 2005, after a four-day evidentiary hearing on the fee question, the 

court found that the case was not exceptional and denied FECO’s request for attorney 

fees. See Highway Equipment Co. v. FECO, Ltd., No. 03-CV-0076 (N.D. Iowa Jul. 27, 

2005) (“Fee Order”). On July 29, 2005, the district court entered final judgment,

dismissing Highway Equipment’s claims against FECO and FECO’s counterclaims 

05-1547, 1578 5
against Highway Equipment with prejudice based on the covenant and denying FECO’s 

claim for attorney fees and costs under 35 U.S.C. § 285. See Highway Equipment Co.

v. FECO, Ltd., No. 03-CV-0076 (N.D. Iowa Jul. 29, 2005) (“Final Order”). 

FECO appeals the district court’s Fee Order and the district court’s 322F Order.

Highway Equipment cross-appeals the district court’s Jurisdiction Order. We have 

jurisdiction pursuant to 28 U.S.C. § 1295(a)(1). 

II. DISCUSSION 

A. Standard of Review 

Whether an actual controversy exists to support subject matter jurisdiction is a 

question of law subject to de novo review. Fort James Corp. v. Solo Cup Co., 412 F.3d 

1340, 1346 (Fed. Cir. 2005) (citing BP Chems. Ltd. v. Union Carbide Corp., 4 F.3d 975,

978 (Fed. Cir. 1993)). The district court’s factual determinations made in the process of 

resolving questions of law are reviewed for clear error. See Vanguard Research, Inc. v. 

Peat, Inc., 304 F.3d 1249, 1254 (Fed. Cir. 2002). In considering the jurisdictional issues

presented herein, we follow the “fundamental precept that federal courts are courts of 

limited jurisdiction,” empowered to act only within the bounds of Article III of the United 

States Constitution. Owen Equip. & Erection Co. v. Kroger, 437 U.S. 365 (1978);

Marbury v. Madison, 5 U.S. (1 Cranch) 137, 173-80 (1803); see also Mansfield, 

Coldwater & Lake Mich. Ry. v. Swan, 111 U.S. 379, 384 (1884) (“[T]he judicial power of

the United States must not be exerted in a case to which it does not extend, even if both 

parties desire to have it exerted”). 

Before considering the effect of the district court’s dismissal with prejudice, we 

must first determine whether to apply Eighth Circuit law or Federal Circuit law to the

05-1547, 1578 6
question of what effect a dismissal with prejudice has on the legal requirements under

35 U.S.C. § 285. Keeping in mind the policy interests both in “bring[ing] about 

uniformity in the area of patent law” and in “minimizing confusion and conflicts in the 

federal judicial system,” Manildra Milling Corp. v. Ogilvie Mills, Inc., 76 F.3d 1178, 1181 

(Fed. Cir. 1996) (citations omitted), and that Federal Circuit law “governs the 

substantive interpretation of 35 U.S.C. § 285, which is unique to patent law,” Pharmacia 

& Upjohn Co. v. Mylan Pharms., Inc., 182 F.3d 1256, 1359 (Fed. Cir. 1999), we resolve 

the issue by deciding that the question of the effect of a dismissal with prejudice on 35 

U.S.C. § 285 is a matter of Federal Circuit law. We do so in order to promote national 

uniformity concerning the availability of attorney fees under 35 U.S.C. § 285. Were we

to apply regional circuit law, the effect of a dismissal with prejudice on 35 U.S.C. § 285 

might vary with the regional circuit in which the case originated. As discussed below, 

there is a noted lack of uniformity among the regional circuits regarding the effect of a 

dismissal with prejudice on the availability for attorney fees. Applying our own law will 

ensure uniformity when patent issues are litigated. We apply a de novo standard of 

review to this question of law. Inland Steel Co. v. LTV Steel Co., 364 F.3d 1318, 1320 

(Fed. Cir. 2004). 

Where a district court finds a case exceptional under 35 U.S.C. § 285, this court 

reviews the underlying factual findings for clear error and legal conclusions without 

deference. Rambus Inc. v. Infineon Techs. AG, 318 F.3d 1081, 1088 (Fed. Cir. 2003).

Once the district court has found a case to be exceptional, we review any award of 

attorney fees for an abuse of discretion. Id.

05-1547, 1578 7
B. Analysis 

1. Fee Order 

Highway Equipment first argues that the district court erred in retaining 

jurisdiction over FECO’s request for attorney fees under 35 U.S.C. § 285 because, once 

Highway Equipment gave FECO a pre-verdict covenant not to sue on the patent 

infringement issues, the court lost Article III subject matter jurisdiction over the patentbased fee request. We disagree. Under our precedent, the district court correctly

retained jurisdiction over FECO’s claim for attorney fees under 35 U.S.C. § 285.1

 See

H.R. Tech., Inc. v. Astechnologies, Inc., 275 F.3d 1378, 1386 (Fed. Cir. 2002) (holding 

that a claim for attorney fees under § 285 is independently within the district court’s 

federal question jurisdiction); Imagineering, Inc. v. Van Klassens, Inc., 53 F.3d 1260,

1263 (Fed. Cir. 1995) (“Since section 285 appears in title 35 and was enacted as a part 

of United States patent law, the question whether a case is exceptional within the

meaning of section 285 arises under the Patent Act.”); Cambridge Prods., Ltd. v. Penn 

Nutrients, Inc., 962 F.2d 1048, 1050-51 (Fed. Cir. 1992). 

Highway Equipment also argues that, in the alternative, even if the district court 

had subject matter jurisdiction, the district court erred in entertaining FECO’s request for 

attorney fees under 35 U.S.C. § 285 because FECO did not receive judicial relief on the

 1 While the covenant may have eliminated the case or controversy pled in 

the patent-related counterclaims and deprived the district court of Article III jurisdiction 

with respect to those counterclaims, see Super Sack Mfg. Corp. v. Chase Packaging 

Corp., 57 F.3d 1054, 1058-59 (Fed. Cir. 1995) (“[A] patentee defending against an 

action for a declaratory judgment of invalidity can divest the trial court of jurisdiction over

the case by filing a covenant not to assert the patent at issue against the putative

infringer.”), the covenant does not deprive the district court of jurisdiction to determine 

the disposition of the patent infringement claims raised in the Complaint under Rule 41 

or the request for attorney fees under 35 U.S.C. § 285.

05-1547, 1578 8
merits that alters the legal relationship of the parties. Highway Equipment argues that 

its strategic decision to file the covenant and not to assert its infringement claim reveals 

nothing about the merits of Highway Equipment’s case. It contends that because the

covenant cannot be construed as anything other than an abandonment of the litigation, 

the dismissal, even though characterized as “with prejudice,” did not and could not

change the legal relationship between the parties on the merits of the underlying claim,

which was not considered by the district court. We disagree. 

35 U.S.C. § 285 provides that “[t]he court in exceptional cases may award 

reasonable attorney fees to the prevailing party.” The Supreme Court has considered 

several similarly-worded fee shifting statutes and has consistently held that such

statutes prohibit an award of fees to the plaintiff unless the court awards relief on the 

merits, either through a judgment on the merits or through a settlement agreement

enforced through a consent decree. See Buckhannon Bd. and Care Home, Inc. v. W.

Va. Dep’t of Health and Human Res., 532 U.S. 598 (2001) (addressing a request for

attorney fees under the Fair Housing Amendments Act and the Americans with 

Disabilities Act); see also Kentucky v. Graham, 473 U.S. 159 (1985) (addressing a 

request for attorney fees under the Civil Rights Attorney’s Fees Awards Act of 1976). In 

Buckhannon, the Supreme Court rejected the so-called “catalyst theory,” which 

maintained that a plaintiff obtained relief on the merits if the plaintiff achieved its desired

result due to the defendant’s voluntary change in conduct. Buckhannon, 532 U.S. at 

600. In rejecting this theory, the Court explained that the critical focus is not on the 

defendant’s voluntary change in conduct, but rather whether there is a “judicially 

sanctioned change in the legal relationship of the parties.” Id. at 605. The Court held 

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that a defendant’s voluntary change in conduct, even if it accomplishes what the plaintiff

sought to achieve, lacks the necessary “judicial imprimatur on the change.” Id. We

apply the requirements of Buckhannon to 35 U.S.C. § 285. See Indep. Fed’n of Flight 

Attendants v. Zipes, 491 U.S. 754, 759 n.2 (1989) (noting that the similar language of

fee-shifting statutes is “a strong indication” that they are to be interpreted alike). 

The dispositive issue is thus whether the dismissal with prejudice had sufficient 

judicial imprimatur to constitute a “judicially sanctioned change in the legal relationship 

of the parties.” Buckhannon, 532 U.S. at 605. 

In this case, the district court exercised its discretion in dismissing the patent 

claims raised in the underlying action with prejudice pursuant to Fed. R. Civ. P. 41(a)(2). 

That rule provides in relevant part that “an action shall not be dismissed at the plaintiff’s

instance [after answer] save upon order of the court and upon such terms and 

conditions as the court deems proper.” As expressly provided in Rule 41, the district 

court has discretion to condition the plaintiff’s voluntary dismissal on terms that would 

avert any prejudice to the defendant, including dismissing the case “with prejudice.” 

The Eighth Circuit has held that voluntary dismissals under Fed. R. Civ. P. 41(a) should 

be granted only if no other party will be prejudiced. Kern v. TXO Production Corp., 738 

F.2d 968, 970 (8th Cir. 1984). One sort of prejudice that cannot be cured simply by a 

reimbursement of costs (and dismissal without prejudice) is the loss by defendant of 

success in the first case. Id. (stating that “[i]f defendant has already won its case,

reimbursement of fees and expenses cannot make it whole from the injury of being 

sued again, perhaps this time to lose”). Factors that the Eighth Circuit considers in

determining whether to dismiss with or without prejudice include whether the party has

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presented a proper explanation for its desire to dismiss; whether a dismissal would 

result in a waste of judicial time and effort; whether a dismissal will prejudice the 

defendants; and whether a dismissal is sought merely to escape an adverse decision or 

to seek a more favorable forum. Hamm, 187 F.3d at 950. The district court also

considers whether the motion to dismiss is presented at a late time in the proceedings. 

See Williams v. Ford Motor Credit Co., 627 F.2d 158, 160 (8th Cir. 1980). 

Highway Equipment cites Rice Services, LTD v. United States, 405 F.3d 1017 

(Fed. Cir. 2005), as support for its argument that the dismissal with prejudice does not 

make FECO a prevailing party for purposes of 35 U.S.C. § 285. In Rice, Rice brought a 

bid protest action in the Court of Federal Claims against the Navy, disputing the award 

of a contract for dining services. The Navy then voluntarily agreed to reevaluate the 

bids, and the government moved to dismiss the case without prejudice as moot. The 

Court of Federal Claims ordered the Navy to take the promised actions and dismissed 

the case without prejudice. Id. at 1019. We noted that “the Navy acted unilaterally in 

initiating a reevaluation of bids” and that the Navy acted voluntarily by taking “remedial

action before any rulings by the Court of Federal Claims.” Id. at 1027. We then held 

that Rice was not a prevailing party because “the government had voluntarily

abandoned its position” and “the court did not state that it was entering the order as a 

merits adjudication in the face of a continuing controversy.” Id. at 1027. 

The present situation is different from the situation in Rice, in which voluntary 

action was taken outside the proceedings, was not designed to be judicially

enforceable, and resulted in a dismissal without prejudice. In contrast to Rice, the 

voluntary filing of the covenant in this case was designed to be judicially enforceable 

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and was the basis for the court’s order dismissing the claims with prejudice. The 

covenant was not simply an extrajudicial promise made by one party to another outside

the context of litigation. The district court’s determination to dismiss the remaining 

controversy with prejudice evidently was prompted by the fact that Highway Equipment 

had prosecuted the case against FECO through the final pretrial conference to the eve 

of trial without any explanation of why the covenant was only then filed with the court. 

In exercising its discretion and dismissing the case with prejudice, following and in light

of the covenant, the district court extinguished Highway Equipment’s ability to sue again 

on those claims. To hold that, in this circumstance, there has been no disposition on 

the merits would undermine the purpose of Rule 41 to encourage a plaintiff’s voluntary 

dismissal under such terms as to avoid prejudice. Such a holding would imply that the 

only way for a defendant to obtain a disposition on the merits would be to oppose a 

dismissal and proceed to litigation on the merits, and would encourage the litigation of 

unreasonable or groundless claims. See, e.g., Christiansburg Garment Co. v. EEOC, 

434 U.S. 412, 421 (1978) (holding that prevailing defendants may receive attorney’s 

fees under Title VII of the Civil Rights Act of 1964 where the plaintiff’s actions were

“frivolous, unreasonable, or without foundation”).

We have likewise held that a defendant was the prevailing party for purposes of

costs under Rule 54 where the plaintiff voluntarily dismissed its case against one

defendant with prejudice. Power Mosfet Techs., L.L.C v. Siemens AG, 378 F.3d 1396,

1416 (Fed. Cir. 2004). In that case, we stated, “The dismissal of a claim with 

prejudice . . . is a judgment on the merits under the law of the Federal Circuit.” Id. 

Furthermore, we have treated the prevailing party issue under Rule 54 and 35 U.S.C. § 

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285 similarly. See Inland Steel, 364 F.3d at 1319-20; see also Manildra Milling, 76 F.3d 

at 1181 n.1 (noting that “the meaning of prevailing party is the same” under § 1988 and 

Rule 54(d)(1)); Dattner v. Conagra Foods, Inc., 458 F.3d 98, 101 (2d Cir. 2006) (“[T]he 

Court [in Buckhannon] did not suggest—and there is no reason to conclude—that the 

distinction [between costs and fees] affects the meaning of the separate term ‘prevailing 

party’”); Tunison v. Continental Airlines Corp., Inc., 162 F.3d 1187, 1189-90 (D.C. Cir.

1998) (noting that the meaning of “prevailing party” is generally same in either contextattorney's fees or costs). 

In light of the foregoing precedent, we conclude that as a matter of patent law,

the dismissal with prejudice, based on the covenant and granted pursuant to the district 

court’s discretion under Rule 41(a)(2), has the necessary judicial imprimatur to 

constitute a judicially sanctioned change in the legal relationship of the parties, such 

that the district court properly could entertain FECO’s fee claim under 35 U.S.C. § 285. 

See Power Mosfet, 378 F.3d at 1416 (holding that a patent infringement defendant

obtained a disposition on the merits for purposes of Fed. R. Civ. P. 54(d)(1) where 

patentee voluntarily dismissed its infringement claim with prejudice); Inland Steel, 364 

F.3d at 1321 (holding that a patent infringement defendant, who moved for dismissal 

after obtaining cancellation of patents through reexamination proceedings before the 

Patent and Trademark Office obtained a disposition on the merits in infringement action 

for purposes of obtaining attorney fees and costs). FECO’s prevailing party status is not

predicated on whether Highway Equipment filed a Rule 41(a)(2) motion to dismiss with 

prejudice at the outset but is sufficiently based on its having filed a covenant not to sue 

with the court to end the litigation, resulting in a dismissal with prejudice. 

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We note that our holding is consistent with the treatment of similar cases within 

other circuits. For example, the Seventh Circuit has held that a voluntary dismissal with 

prejudice meets the Buckhannon test, reasoning that such disposition “effects a material 

alteration of [the] legal relationship with the other parties, because it terminates any

claims [the plaintiff] may have had against [the defendants] arising out of this set of

operative facts.” Claiborne v. Wisdom, 414 F.3d 715, 719 (7th Cir. 2005); see Mother 

and Father v. Cassidy, 338 F.3d 704, 708 (7th Cir. 2003) (“[A] voluntary dismissal with 

prejudice renders the opposing party a ‘prevailing party’ within the meaning of Rule 

54.”). The Tenth Circuit, in a pre-Buckhannon case, has stated that “a defendant is a 

prevailing party under Rule 54 when, in circumstances not involving settlement, the 

plaintiff dismisses its case against the defendant, whether the dismissal is with or

without prejudice.” Cantrell v. Int’l Brotherhood of Elec. Workers, 69 F.3d 456, 456 

(10th Cir. 1995) (en banc); see also Samsung Elec. Co. v. Rambus Inc., 440 F. Supp. 

2d. 495, 511 (E.D. Va. 2006) (holding that a Rule 41(a)(2) dismissal of patent 

infringement counterclaims with prejudice following the patentee’s covenants not to sue, 

was sufficient to constitute a disposition on the merits under 35 U.S.C. § 285). 

While the Fifth Circuit has held that, where a plaintiff voluntarily dismisses its

claims, the defendant is generally not the prevailing party unless “the defendant can 

demonstrate that the plaintiff withdrew to avoid a disfavorable judgment on the merits,” 

Dean v. Riser, 240 F.3d 505, 510-11 (5th Cir. 2001), that exception to the rule was

strongly grounded on the competing policies that undergird 42 U.S.C. § 1988, which are 

different from the policies that undergird 35 U.S.C. § 285. Also, while the Eighth Circuit 

has applied a rationale similar to that of the Fifth Circuit, holding that, to be a prevailing 

05-1547, 1578 14
party, a defendant must point to a judicial determination to its benefit, that holding was

based on the Eight Circuit’s view (before Buckhannon) that the “‘material alteration of 

the legal relationship among the parties’ definition of a prevailing plaintiff [is not the 

same as the] definition for prevailing defendant.” Marquart v. Int’l Ass’n of Machinists &

Aerospace Workers, 26 F.3d 842, 851-52 (8th Cir. 1994). Subsequent decisions of the 

Eighth Circuit have continued to address under what circumstances court orders may

result in the requisite judicially sanctioned material alteration in the parties’ legal 

relationship. See, e.g., N. Cheyenne Tribe v. Jackson, 433 F.3d 1083, 1085 n.2. 

Turning to the merits of the fee claim, FECO asserts that the district court erred 

in denying attorney fees because it proved by clear and convincing evidence that this

case was “exceptional” pursuant to 35 U.S.C. § 285. FECO argues that Highway

Equipment engaged in litigation misconduct and inequitable conduct before the Patent

and Trademark Office (“PTO”). Regarding inequitable conduct, FECO argues that 

Highway Equipment failed to disclose material prior art and failed to name an alleged 

co-inventor, Dick Serbousek. 

For the reasons below, we agree with the district court that FECO did not prove 

that this case is exceptional by clear and convincing evidence, and we affirm the district 

court’s determination of no inequitable conduct and no litigation misconduct. First, as

concerns inequitable conduct, we see no error in the district court’s determination that 

FECO failed to produce clear and convincing evidence that Highway Equipment did not 

act with the requisite intent to deceive the PTO. Fee Order, slip op. at 19. The district

court found that Highway Equipment discussed the alleged material prior art with its

patent attorney and investigated its relevance. After this investigation, they were not 

05-1547, 1578 15
able to discern how the device operated or whether or not it had a spreader which 

allowed for adjustment of the drop point as disclosed in the ’281 patent. Id., slip op. at 

11-12. Based on these factual findings, which are not clearly erroneous, the district 

court correctly held that FECO has not proven, by clear and convincing evidence, that

Highway Equipment possessed the requisite intent to deceive the PTO. 

Second, FECO has not shown clear error in the district court’s findings that there 

was no evidence of any intent by Highway Equipment to mislead the PTO by not 

identifying Serbousek as a joint inventor. Id., slip op. at 22. To the contrary, the record 

shows that, at the time the patent was filed, Serbousek indicated that he should not be

named as an inventor. Fee Order, slip op. at 10. Based on these factual findings, 

which are not clearly erroneous, the district court correctly held that the failure to name 

Serbousek as an inventor did not constitute inequitable conduct. Id., slip op. at 22. 

Third, as concerns Highway Equipment’s alleged litigation misconduct, FECO 

submits six instances of misconduct including improper or untimely disclosure of expert

reports and exhibits, evasive witness testimony, failure to honor its statutory obligation 

under 322F, and filing the covenant on the “eve of trial.” FECO did not argue before the

district court that the filing of the covenant not to sue constituted litigation misconduct,

and we therefore do not address it in the first instance on appeal. FECO cites no 

authority to support that its arguments with respect to 322F are in any way relevant to 

litigation misconduct and we decline to hold that FECO’s assertion of an alleged failure 

to comply with 322F means that this case is exceptional. See Cambridge Prods, Ltd. v.

Penn Nutrients, Inc., 962 F.2d 1048, 1051 (Fed. Cir. 1992). We have considered 

FECO’s remaining allegations of litigation misconduct related to expert reports, witness

05-1547, 1578 16
testimony, and exhibits. FECO has shown no clear error in the district court’s findings 

and we decline to second-guess the district court’s judgment that the defendant is not 

entitled to attorney fees based on litigation misconduct. See Lighting World, Inc. v. 

Birchwood Lighting, Inc., 382 F.3d 1354 (Fed. Cir. 2004) (holding that “[t]he district 

judge is in a far better position to assess [litigation misconduct] than we are”). FECO 

has not shown that the district court’s finding of no litigation misconduct is so clearly 

erroneous as to warrant our overturning the district court’s ruling on that issue. The 

district court’s judgment as to attorney fees under § 285 is affirmed. 

2. The 322F Order 

The district court did err, however, in exercising supplemental jurisdiction by 

authority of 28 U.S.C. § 1367 over FECO’s counterclaim for damages under Iowa Code 

§ 322F. Highway Equipment and FECO do not qualify for diversity jurisdiction and did 

not plead the 322F claim as a diversity claim or otherwise independently subject to 

federal jurisdiction. Therefore, the district court’s only basis for jurisdiction over the nonfederal claim would have been that the claim was not only joined with a federal claim

over which it had original jurisdiction but, significantly, if the non-federal claim was “so 

related to claims in the action within such original jurisdiction that they form part of the 

same case or controversy under Article III of the United States Constitution.” 28 U.S.C.

§ 1367(a); United Mine Workers of Am. v. Gibbs, 383 U.S. 715, 725 (1966) (holding that 

the district court has supplemental jurisdiction to enter final judgment on a non-federal 

claim only if “the entire action before the court comprises but one constitutional ‘case’”). 

For this relatedness requirement to be satisfied, “[t]he state and federal claims must 

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derive from a common nucleus of operative fact” such that they would ordinarily be 

expected to be tried in one proceeding. United Mine Workers, 383 U.S. at 725. 

The district court erred in exercising supplemental jurisdiction pursuant to 

§ 1367(a) to hear the 322F count because the 322F count and the patent counts are not 

derived from a common nucleus of operative fact. See Mars, Inc. v. Kabushiki-Kaisha

Nippon Conlux, 24 F.3d 1368 (Fed. Cir. 1994). In Mars, the plaintiff sued the defendant 

for infringement of a United States and a Japanese patent, asserting that supplemental 

jurisdiction existed over the count alleging infringement of the Japanese patent. Both 

patents were directed to electronic coin discriminators with programmable memories. 

The district court assumed that it had supplemental jurisdiction over the count alleging 

infringement of the Japanese patent, but applied its discretion not to exercise

jurisdiction over the count. Id. at 1371. We held that the district court erred in assuming 

that it had jurisdiction because the claims did not derive from a common nucleus of 

operative fact. Id. at 1375. We noted that the asserted claims of the U.S. patent were 

method claims whereas the asserted claim of the Japanese patent was an apparatus 

claim; that the range of accused devices in Japan was broader than in the United 

States; and that the allegations of infringement of the U.S. patent included direct and 

induced infringement whereas the defendant was charged only with direct infringement 

of the Japanese patent. Id. Because neither “similar acts” nor the “same 

instrumentality” were at issue, we held that “the foreign patent infringement claim at

issue here is not so related to the U.S. patent infringement claim that the claims form 

part of the same case or controversy and would thus ordinarily be expected to be tried 

in one proceeding.” We thus concluded that the district court erred in assuming that it

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had power to hear the Japanese patent infringement claim. Id.; see also Ideal 

Instruments, Inc. v. Rivard Instruments, Inc., 434 F. Supp. 2d 598, 628-33 (N.D. Iowa 

2006) (discussing Mars and finding it to be controlling). In Ideal Instruments, the district 

court in Iowa held that, although original jurisdiction existed over the plaintiff’s first count

involving the defendants’ alleged infringement of its United States patent, supplemental 

jurisdiction did not extend to the plaintiff’s second count for a declaratory judgment that

it does not infringe the defendants’ Canadian patent. The Iowa court concluded that, 

because the actor and the acts in each count are different such that the allegations of

infringement of the United States and foreign patents do not arise from a common 

nucleus of operative fact, it would dismiss the plaintiff’s second count. Id. at 630-31. 

In the present case, the 322F count and the federal counts are not derived from a 

“common nucleus of operative fact.” The facts alleged in the 322F count involved the 

alleged wrongful termination of a dealership agreement between the parties that 

designated FECO as a dealer for certain outdoor power equipment manufactured and 

supplied by Highway Equipment. That dealership agreement was terminated on 

September 16, 2002. The facts alleged in the federal counts involved not a contract, 

but a patent that issued on February 11, 2003, months after the dealership agreement

was terminated. Furthermore, the facts alleged in the 322F count involved the 

distribution of Highway Equipment’s products, whereas the facts alleged in the federal 

counts involved a product manufactured by FECO subsequent to the termination of the 

dealership agreement. Here, as in Mars and Ideal Instruments, the respective 

instrumentalities are different, the products at issue are different, the alleged acts are 

different, and the governing laws are different. Because the facts at issue in the 322F 

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count are not sufficiently related to those in the federal counts that it forms a part of the 

same case or controversy under Article III of the U.S. Constitution, the district court

erred in exercising authority to hear the 322F claim under its supplemental jurisdiction 

pursuant to 28 U.S.C. § 1367(a). Mars, 24 F.3d 1375 (“Federal courts may not assume 

jurisdiction where none exists.”). Thus, the district court’s judgment on the 322F claim

is vacated and the case is remanded with instructions to dismiss that claim for lack of 

jurisdiction. 

CONCLUSION 

For the above reasons, the final judgment is affirmed-in-part, vacated-in-part, and 

the case is remanded to the district court for further proceedings consistent with this 

opinion. 

AFFIRMED-IN-PART, VACATED-IN-PART and REMANDED.

COSTS 

No costs. 

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