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Full Opinion
Jan K. VODA, M.D., Plaintiff-Appellee,
v.
CORDIS CORPORATION, Defendant-Appellant.
No. 05-1238.
United States Court of Appeals, Federal Circuit.
February 1, 2007.
Mitchell G. Stockwell, Kilpatrick Stockton LLP, of Atlanta, GA, argued for plaintiff-appellee. With him on the brief was Jonathan K. Waldrop. Of counsel was John A. Kenney, McAfee & Taft, of Oklahoma City, OK.
John M. DiMatteo, Willkie Farr & Gallagher LLP, of New York, NY, argued for defendant-appellant. With him on the brief were Kelsey I. Nix and Diane C. Ragosa.
William C. Rooklidge, Howrey LLP, of Irvine, California, for amicus curiae American Intellectual Property Law Association. With him on the brief were Christopher J. Kelly, Mayer, Brown, Rowe & Maw LLP, of Washington, DC; and Claudia Wilson Frost and Sharon A. Israel, of Houston, TX.
William M. Atkinson, Alston & Bird LLP, of Charlotte, NC, for amicus curiae The Federal Circuit Bar Association. With him on the brief was Charles F. Schill, The Federal Circuit Bar Association, of Washington, DC.
Scott R. McIntosh, Attorney, Appellate Staff, Civil Division, United States Department of Justice, of Washington, DC, for amicus curiae United States. With him on the brief were Peter D. Keisler, Assistant Attorney General. Of counsel on the brief were James A. Toupin, General Counsel,
John M. Whealan, Solicitor, Cynthia C. Lynch and Joseph G. Piccolo, Associate Solicitors, United States Patent and Trademark Office, of Arlington, VA.
George L. Graff, Paul, Hastings, Janofsky & Walker LLP, of New York, NY, for amicus curiae Intellectual Property Owners Association. With him on the brief were J. Jeffrey Hawley, Intellectual Property Owners Association, of Washington, DC, and Douglas K. Norman, Eli Lilly and Company, of Indianapolis, Indiana. Of counsel was Herbert C. Wamsley, Intellectual Property Owners Association, of Washington, DC.
John R. Thomas, Georgetown University Law Center, of Washington, DC, for amici curiae Law Professors.
Before NEWMAN, GAJARSA, and PROST, Circuit Judges.
GAJARSA, Circuit Judge.
This is an interlocutory appeal by Cordis Corp. from a decision of the U.S. District Court for the Western District of Oklahoma assuming supplemental subject matter jurisdiction pursuant to 28 U.S.C. § 1367 over the foreign patent infringement claims of Jan K. Voda, M.D. ("Voda"). The district court established jurisdiction over Voda's original claims of U.S. patent infringement pursuant to § 1338. In a subsequent order, the district court granted Voda leave to amend his complaint to add infringement claims based on foreign patents. Voda's amended complaint alleged infringement taking place outside the United States in violation of patents issued by various foreign countries. The district court found subject matter jurisdiction over the foreign patent claims pursuant to the supplemental jurisdiction statute § 1367. Voda v. Cordis Corp., No. 03-1512, slip op. at 2, 2004 WL 3392022 (W.D.Okla. Aug. 2, 2004). The district court certified its order for interlocutory review pursuant to § 1292(b). We agreed that the interlocutory appeal "involve[s] a controlling question of law to which there is a substantial difference of opinion and for which an immediate appeal may materially advance the ultimate termination of the litigation" and thus, granted Voda's petition for interlocutory appeal of "whether the district court has supplemental subject matter jurisdiction over Dr. Voda's five foreign patents." Voda v. Cordis Corp., 122 Fed.Appx. 515 (Fed.Cir. 2005). This court has jurisdiction pursuant to § 1292(b) and (c).
In Stein Associates, Inc. v. Heat & Control, Inc., 748 F.2d 653, 658 (Fed.Cir.1984), this court held that U.S. district courts had no discretionary power to enjoin a party from enforcing a foreign patent before a foreign tribunal. We stated unequivocally that "the issues are not the same, one action involving United States patents and the other involving British patents" and that "[o]nly a British court, applying British law, can determine validity and infringement of British patents." In this case, we are presented with a different issue but one that raises similar concerns: whether a district court may exercise supplemental jurisdiction pursuant to 28 U.S.C. § 1367 over infringement claims based on foreign patents. For the reasons discussed below, we conclude that the district court erred in granting leave to amend based on § 1367. Accordingly, we vacate the order of the district court granting leave to amend and remand for further proceedings consistent with this opinion.
I. BACKGROUND
The plaintiff-appellee Voda is a resident of Oklahoma City, Oklahoma. The defendant-appellant Cordis is a U.S.-based entity incorporated in Florida. None of the several foreign Cordis affiliates is a party to the present action, and we note that they appear to be separate legal entities.1 These foreign affiliates have not been joined to this action.2 To prevent confusion, we refer to the defendant-appellant as "Cordis U.S."
The patents at issue relate generally to guiding catheters for use in interventional cardiology. The details of the technology are not essential here. Voda's U.S. patents stem from a common continuation-in-part ("CIP") application filed in October 1992, which provides the written description common to the three U.S. patents at issue in this case: U.S. Patent Nos. 5,445,625 (the '625 patent), 6,083,213 (the '213 patent), and 6,475,195 (the '195 patent). The foreign patents issued from a common Patent Cooperation Treaty ("PCT") application. The PCT application designated the European Patent Office ("EPO") and Canada as recipients. Voda's EPO patent application eventually generated European Pat. No. 0 568 624, British Pat. No. GB 568 624, French Pat. No. FR568624, and German Pat. No. DE 69 23 20 95. The PCT application also ultimately led to the issuance of Canadian Pat. No. CA 2,100,785.
Voda sued Cordis U.S. in the United States District Court for the Western District of Oklahoma alleging infringement of his three U.S. patents: claims 1-2 and 5-7 of the '625 patent, claims 1-5 of the '213 patent, and claims 1-6 of the '195 patent. Cordis U.S. answered by asserting noninfringement and invalidity of the U.S. patents.
Voda then moved to amend his complaint to add claims of infringement of the European, British, Canadian, French, and German foreign patents. Voda's amended complaint alleges that "Cordis [U.S.] has commenced and continues acts of making, selling, offering for sale and selling at least the XB guiding catheter, which is covered by [the several foreign patents] without Dr. Voda's authority. Such acts constitute infringement, under corresponding foreign law of [these several foreign patents]." Cordis U.S. has admitted that "the XB catheters have been sold domestically and internationally since 1994. The XB catheters were manufactured in Miami Lakes, Florida from 1993 to 2001 and have been manufactured in Juarez, Mexico since 2001." Voda's amended complaint asks for damages, fees, and "such other and further relief as this Court deems just and proper." We resolve the jurisdictional issue based upon those allegations, accepting them to be true.
Cordis U.S. opposed Voda's attempt to amend its complaint to add foreign patent infringement claims on the basis that the district court lacked subject matter jurisdiction over such claims. The parties briefed the court regarding its jurisdiction over foreign patent infringement claims under 28 U.S.C. § 1367(a) and its discretion to exercise supplemental jurisdiction under § 1367(c). In a three-page order, the district court analyzed two circuit court cases discussing supplemental jurisdiction over patent claims, Mars, Inc. v. Kabushiki-Kaisha Nippon Conlux, 24 F.3d 1368 (Fed.Cir.1994) (finding no jurisdiction), and Ortman v. Stanray, 371 F.2d 154 (7th Cir.1967) (affirming district court's denial of a motion to dismiss foreign patent infringement claims). The district court determined that "[t]he allegations in the [proposed] amended complaint demonstrate that this case is more akin to Ortman than to Mars" and thus, that "it would have supplemental jurisdiction over the foreign patent[ ] claim[s]." Voda v. Cordis, No. CIV-03-1512-L, slip op. at 2, 2004 WL 3392022 (August 2, 2004). Therefore, the district court granted Voda's motion to file his amended complaint. Id.
Cordis U.S. appeals, and in light of this appeal, the proceedings with respect to the foreign patent infringement claims have been stayed.3 The record indicates that an answer to the amended complaint has not been filed and that discovery has not been taken on the foreign claims. While the record therefore does not establish the defenses Cordis U.S. would raise, Cordis U.S. represents on appeal that it would raise invalidity of the foreign patents as a defense.
A proper exercise of subject matter jurisdiction pursuant to § 1367 requires both the presence of jurisdiction under subsection (a) and an appropriate decision to exercise that jurisdiction under subsection (c). For the reasons discussed below, we conclude that the district court erred under subsection (c).
II. STANDARD OF REVIEW
The existence of supplemental jurisdiction over foreign patent claims based on claims of U.S. patent infringement is a question unique to U.S. patent law, and thus, we apply the law of our circuit rather than that of the regional circuit. Mars, 24 F.3d at 1371 ("The issue whether the district court had jurisdiction to hear Mars' claim of Japanese patent infringement is of importance to the development of the patent law and is clearly a matter that falls within the exclusive subject matter responsibility of this court." (quotation marks and citations omitted)); see Lab. Corp. of Am. Holdings v. Chiron Corp., 384 F.3d 1326, 1330 (Fed.Cir.2004) (applying Federal Circuit law because we "apply the law of the regional circuit . . . unless the issue pertains to or is unique to patent law, in which case we will apply our own law to both substantive and procedural issues intimately involved in the substance of enforcement of the patent right" (quotation marks omitted)); cf. Unitherm Food Sys. v. Swift-Eckrich, Inc., 546 U.S. 394, 126 S.Ct. 980, 984, 163 L.Ed.2d 974 (2006) (recognizing that Federal Circuit is bound to apply procedural law of regional circuit in case where issue did not pertain uniquely to patent law).
We have noted that "[t]his Court ... reviews jurisdiction, a question of law, de novo." Dehne v. United States, 970 F.2d 890, 892 (Fed.Cir.1992) (citation omitted); see also Elder v. Holloway, 510 U.S. 510, 516, 114 S.Ct. 1019, 127 L.Ed.2d 344 (1994) ("[Q]uestion[s] of law ... must be resolved de novo on appeal."). "A party seeking the exercise of jurisdiction in its favor bears the burden of establishing that such jurisdiction exists." Mars, 24 F.3d at 1372 (citing KVOS, Inc. v. Associated Press, 299 U.S. 269, 278, 57 S.Ct. 197, 81 L.Ed. 183 (1936)); cf. DaimlerChrysler Corp. v. Cuno, ___ U.S. ___, ___, 126 S.Ct. 1854, 1861, 164 L.Ed.2d 589 (2006) ("[P]arties ... asserting federal jurisdiction[] carry the burden of establishing their standing under Article III."). Here, Voda must carry this burden.
III. DISCUSSION
The Supreme Court has stated many times that the "district courts of the United States ... are `courts of limited jurisdiction. They possess only that power authorized by Constitution and statute.'" Exxon Mobil Corp. v. Allapattah Servs., 545 U.S. 546, 552, 125 S.Ct. 2611, 2616-17, 162 L.Ed.2d 502 (2005) (quoting Kokkonen v. Guardian Life Ins. Co. of Am., 511 U.S. 375, 377, 114 S.Ct. 1673, 128 L.Ed.2d 391 (1994)). In addition, "district courts may be obligated not to decide state law claims (or to stay their adjudication) where one of the abstention doctrines articulated by [the Supreme] Court applies." City of Chicago v. Int'l Coll. of Surgeons, 522 U.S. 156, 174, 118 S.Ct. 523, 139 L.Ed.2d 525 (1997).
In this case, the parties do not dispute that the Constitution may authorize district courts to hear infringement claims based on foreign patents. See U.S. Const. art. III, § 2 ("[J]udicial Power shall extend ... to Controversies ... between a State, or the Citizens thereof, and foreign States, Citizens or Subjects."). Rather, the critical disputed issue is whether there is any statutory basis for such subject matter jurisdiction.4
A. Asserted Statutory Basis
Voda asserts that the district court has supplemental jurisdiction under 28 U.S.C. § 1367 of his foreign patent infringement claims.5 The Supreme Court has noted that the statute "is a broad grant of supplemental jurisdiction over other claims within the same case or controversy, as long as the action is one in which the district courts would have original jurisdiction." Exxon, 125 S.Ct. at 2620. "The presence of other claims in the complaint, over which the district court may lack original jurisdiction, is of no moment." Id.; cf. Marshall v. Marshall, ___ U.S. ___, ___, 126 S.Ct. 1735, 1749, 164 L.Ed.2d 480 (2006) (stating in diversity context that jurisdiction "is determined by the law of the court's creation and cannot be defeated by the extraterritorial operation of a [state] statute ..., even though it created the right of action" (quotation marks and citations omitted)).
The Supreme Court has also noted that § 1367 both "authorize[s] the district courts to exercise supplemental jurisdiction" and "confirms the discretionary nature of supplemental jurisdiction." Chicago, 522 U.S. at 172-73, 118 S.Ct. 523. Therefore, to allow Voda to amend his complaint to add infringement claims based on foreign patents using § 1367 supplemental jurisdiction, we must evaluate (1) whether § 1367(a) authorizes such supplemental jurisdiction and (2) whether the district court's exercise of such supplemental jurisdiction was within its § 1367(c) discretion.
1. Authorization
Section 1367(a) provides the statutory authority for district courts to exercise supplemental jurisdiction over certain claims outside their original jurisdiction.
Except as provided in subsections (b) and (c) or as expressly provided otherwise by Federal statute, in any civil action of which the district courts have original jurisdiction, the district courts shall have supplemental jurisdiction over all other claims that are 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. Such supplemental jurisdiction shall include claims that involve the joinder or intervention of additional parties.
28 U.S.C. § 1367(a). This language reveals four limits on the reach of § 1367(a).
First, § 1367(a) does not authorize supplemental jurisdiction where "expressly provided otherwise by Federal statute." In this case, none of the parties or the amicus curiae cite any statute, and we have found none, that expressly strips federal courts of supplemental jurisdiction of claims arising under either foreign patents or foreign laws.
Second, § 1367(a) lists subsection (b) as an exception. Subsection (b) pertains to "any civil action of which the district courts have original jurisdiction founded solely on" diversity and thus, is not relevant here.
Third, § 1367(a) also lists subsection (c) as an exception. We discuss subsection (c), which enumerates the circumstances under which the "district courts may decline to exercise supplemental jurisdiction," in infra Part III.A.2.
Fourth, § 1367(a) authorizes supplemental jurisdiction only over claims that are "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." This statutory "case or controversy" language extends to the limits of Article III. See, e.g., Jones v. Ford Motor Credit Co., 358 F.3d 205, 212 n. 5 (2d Cir.2004); Baer v. First Options of Chicago, Inc., 72 F.3d 1294, 1299 (7th Cir.1995).
In this case, it is undisputed that the district court has original federal question jurisdiction over Voda's U.S. patent infringement claims. In addition, § 1367(a) appears to authorize supplemental jurisdiction over foreign law claims in certain limited circumstances. Specifically, § 1367(a) provides the statutory authority for federal courts to exercise supplemental jurisdiction over claims that are outside the limited original jurisdiction of federal district courts, including those within the general jurisdiction of state courts. Therefore, because the "inherent powers" of state courts "permit them to entertain transitory causes of action arising under the laws of foreign sovereigns," Tafflin v. Levitt, 493 U.S. 455, 470, 110 S.Ct. 792, 107 L.Ed.2d 887 (1990) (Scalia, J., concurring) (citing McKenna v. Fisk, 42 U.S. (1 How.) 241, 247-249, 11 L.Ed. 117 (1843)), § 1367 supplemental jurisdiction appears to include foreign law claims. See also Printz v. United States, 521 U.S. 898, 907, 117 S.Ct. 2365, 138 L.Ed.2d 914 (1997) ("[U]nlike legislatures and executives, [courts] applied the law of other sovereigns all the time."). Therefore, the § 1367(a) issue we discuss here is whether Voda's claims of foreign patent infringement "form part of the same case or controversy under Article III."
a. "Common nucleus of operative fact"
The Supreme Court has interpreted the statutory requirement of § 1367(a) that foreign claims be "so related to claims in the action within such original jurisdiction that they form part of the same case or controversy" as Congress's codification of the Court's
principles of pendent and ancillary jurisdiction by which the federal courts' original jurisdiction over federal questions carries with it jurisdiction over state law claims that "derive from a common nucleus of operative fact," such that "the relationship between [the federal] claim and the state claim permits the conclusion that the entire action before the court comprises but one constitutional `case.'"
Chicago, 522 U.S. at 164-65, 118 S.Ct. 523 (quoting United Mine Workers of Am. v. Gibbs, 383 U.S. 715, 725, 86 S.Ct. 1130, 16 L.Ed.2d 218 (1966)) (additional citations omitted) (emphasis added); see also 13B Wright, Miller, Cooper & Freer, Federal Practice & Procedure § 3567.1, at n. 42 (2d ed. Supp.2005).
With regard to the relationship between foreign and U.S. patent infringement claims, we stated in Stein that "the issues are not the same" where "one action involv[es] United States patents and the other involv[es] British patents." 748 F.2d at 658. Mars, 24 F.3d 1368, however, is the first and only case of this court that expressly evaluates whether supplemental jurisdiction under § 1367(a) extends to infringement claims based on foreign patents. In Mars, we applied the "common nucleus of operative fact" rubric to determine whether § 1367(a) authorized supplemental jurisdiction over an infringement claim based on a Japanese patent. We held that "the district court erred in assuming that it had `power' to hear the Japanese patent infringement claim under section 1367(a)." Id. at 1375. Based on the facts alleged in the complaint, we reasoned:
We conclude 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. [1] The respective patents are different, [2] the accused devices are different, [3] the alleged acts are different, and [4] the governing laws are different. The assertion of supplemental jurisdiction over the Japanese infringement claim would in effect result in the trial court having to conduct two separate trials at one time.
Id. Regarding the first three factors, we noted (1) that in the U.S. patent "[a]ll three claims are method claims directed to the electronic examination and identification of coins" whereas "[i]n contrast, the sole claim of the Japanese Patent . . . is an apparatus claim that does not literally contain the limitations of [the asserted] claims . . . of the U.S. patent"; (2) that the claims of U.S. and Japanese patent infringement focused on different devices and that "the range of accused devices in Japan is much broader than in the United States"; and (3) that although Mars charged the defendant with acts of both direct and induced infringement of its U.S. patent, it charged the defendant with only direct infringement of the Japanese patent. Id.
In this case, Voda does not dispute the assertion of Cordis U.S. that the "governing laws in each of the foreign courts differ in important ways." The parties dispute whether the patents are different. Cordis U.S. asserts that the patents differ materially, while Voda asserts that they differ only in slight respects.6 With respect to the other factors, however, there appear to be more commonalities than in Mars. Voda's amended complaint identifies Cordis U.S.'s XB guiding catheter as the accused device for the domestic and foreign infringement claims. Voda also alleges the same type of direct infringement, i.e., making, offering for sale, and selling, for all infringement claims.
In addition, it is important to note that Mars does not supplant the "common nucleus of operative fact" test established by the Supreme Court in Gibbs and codified by Congress in § 1367(a). Mars simply listed four differences between the claims in that particular case that were sufficient for finding no "common nucleus of operative fact." As such, while providing precedential guidance, Mars did not establish either an exhaustive list of the factors district courts may consider under § 1367(a) or the necessary conditions for a finding of no supplemental jurisdiction.
The district court failed to articulate any such analysis. The district court correctly observed that Mars did not establish a per se rule preventing U.S. courts from asserting supplemental jurisdiction to adjudicate foreign patents, but then summarily concluded that the "allegations in the amended complaint demonstrate that this case [wa]s more akin to Ortman[, 371 F.2d 154 (7th Cir.1967),] than to Mars. Based on those allegations, the [district] court [found] that it would have supplemental jurisdiction over the foreign patents claims." Voda, slip op. at 2, 2004 WL 3392022. Even if we agreed that this case were "more akin" to Ortman than Mars, that does not answer the legal question of whether there is a "common nucleus of operative fact" in this case.
Here, the district court did not articulate any findings regarding the Mars factors.7 Moreover, although the determination of foreign law is a question of law, we as an appellate court cannot take any expert testimony to determine the extent of the differences in the governing laws. See Fed.R.Civ.P. 44.1 (governing determination of foreign law). Since the scope of a foreign patent depends on foreign law, such testimony would also inform a comparison of the patents themselves. Therefore, because we hold in infra Part III.A.2 that the district court abused its discretion under § 1367(c), we deem it to be the more prudent course not to decide this "common nucleus of operative fact" question in the first instance.
b. "Ordinarily be expected to try them all in one judicial proceeding"
Seizing on the Supreme Court's language in Gibbs, one of the amicus curiae asserts that in determining the existence of "the same case or controversy" under § 1367(a), we must examine not only whether there is a "common nucleus of operative fact," but also whether a district court would "ordinarily be expected to try [domestic and foreign patent infringement claims] all in one judicial proceeding."
While courts generally focus on the phrase "common nucleus of operative fact," there is an ambiguity in Gibbs, in which the Supreme Court stated:
The federal claim must have substance sufficient to confer subject matter jurisdiction on the court. The state and federal claims must derive from a common nucleus of operative fact. But if, considered without regard to their federal or state character, a plaintiff's claims are such that he would ordinarily be expected to try them all in one judicial proceeding, then, assuming substantiality of the federal issues, there is power in federal courts to hear the whole.
383 U.S. at 725, 86 S.Ct. 1130 (citation and footnote omitted) (emphasis added). From the text of Gibbs, it is therefore unclear how the phrases "common nucleus of operative fact" and "ordinarily be expected to try them all in one judicial proceeding" relate.
The Court's subsequent use of the Gibbs language indicates that the phrases could represent two separate and necessary tests or that the phrase "ordinarily be expected" is irrelevant. Compare Exxon, 125 S.Ct. at 2632 (Ginsburg, J., dissenting) ("`[T]here is power in federal courts to hear the whole,' the Court said, when the state and federal claims `derive from a common nucleus of operative fact' and are so linked that the plaintiff `would ordinarily be expected to try them all in one judicial proceeding.'" (emphasis added)), and Carnegie-Mellon Univ. v. Cohill, 484 U.S. 343, 349, 108 S.Ct. 614, 98 L.Ed.2d 720 (1988) ("The Court stated that a federal court has jurisdiction over an entire action, including state-law claims, whenever the federal-law claims and state-law claims in the case `derive from a common nucleus of operative fact' and are `such that [a plaintiff] would ordinarily be expected to try them all in one judicial proceeding.'" (emphasis added)), with Chicago, 522 U.S. at 165, 118 S.Ct. 523 ("[T]he state and federal claims `derive from a common nucleus of operative fact,' .... That is all the statute requires to establish supplemental jurisdiction." (citation omitted) (emphasis added)).
Similarly, this court's use of the Gibbs language indicates that the phrases could represent two separate and necessary tests or that the phrase "ordinarily be expected to try them all in one judicial proceeding" merely informs the "common nucleus of operative fact" analysis. Compare Stark v. Advanced Magnetics, Inc., 29 F.3d 1570, 1578 (Fed.Cir.1994) (finding § 1367 requirements met where "there is a substantial federal claim; the federal and state claims derive from common operative facts; and the plaintiff would normally expect to try all of the claims in a single proceeding"), with Highway Equip. Co., Inc. v. FECO, Ltd., 469 F.3d 1027, 1037-38 (Fed.Cir.2006) ("For this relatedness requirement to be satisfied, `[t]he state and federal claims must derive from a common nucleus of operative fact' such that they would ordinarily be expected to be tried in one proceeding." (citation omitted)), and Mars, 24 F.3d at 1374 ("The Court further explained that the requisite relatedness between the federal and non-federal claims exists for jurisdictional purposes when the claims derive from a `common nucleus of operative fact,' and as such, would ordinarily be expected to be tried in one proceeding.").
If the phrase "ordinarily be expected to try them all in one judicial proceeding" does play a role in the scope of § 1367(a) authorization via Gibbs, district courts may be unable to exercise supplemental jurisdiction over claims based on foreign patents if the norm is that patent claims are adjudicated by the courts within the jurisdiction where such patents are created. Neither the Supreme Court nor this court, however, has addressed whether the phrase "ordinarily be expected to try them all in one judicial proceeding" constitutes an independent requirement under the "same case or controversy requirement" of § 1367(a). Because the district court abused its discretion under § 1367(c), however, we need only state in this case that none of the briefs have persuaded us to hold that such an additional requirement exists.
Accordingly, we refrain from deciding whether Voda's foreign patent infringement claims fall within the scope of the "same case or controversy" requirement of § 1367(a).
2. Discretion
Section 1367 "reaffirms that the exercise of supplemental jurisdiction is within the discretion of the district court." Mars, 24 F.3d at 1374; see also Chicago, 522 U.S. at 172, 118 S.Ct. 523 (stating that supplemental jurisdiction statute codifies principle "that pendent jurisdiction `is a doctrine of discretion, not of plaintiff's right,' and that district courts