Fresenius USA, Inc. v. Baxter International, Inc. (Fed. Cir. 2013)

by McDonnell Boehnen Hulbert & Berghoff LLP
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Fresenius Medical CareJust before the July 4th holiday, the Federal Circuit issued its ruling in Fresenius USA, Inc. v. Baxter International, Inc. ("Fresenius II").  The Federal Circuit framed the question at issue as:  "Whether under the reexam statute, the cancellation of claims by the PTO is binding in pending district court infringement litigation."  But the question likely at issue for most practitioners in reviewing the case is "When is the district court's determination considered 'final'?"

The case has a long history dating back to 2003 when Fresenius filed suit seeking a declaratory judgment of invalidity of three Baxter patents, including claims 26-31 of the U.S. Patent No. 5,247,434 patent (the only patent and claims relevant to the present discussion).  In 2007, the District Court granted Baxter's motion for JMOL, finding that Fresenius has presented insufficient evidence to support the jury's verdict of invalidity of the '434 patent.  Fresenius Med. Care Holdings, Inc. v. Baxter Int'l, Inc., No. 03-CV-1431, 2007 WL 518804 (N.D. Cal. Feb. 13, 2007).  The Federal Circuit  affirmed the District Court on the issue of validity with respect to the '434 patent, but vacated the District Court's injunction and post verdict royalty awards and remanded the case back to the District Court regarding those issues.  Fresenius USA, Inc. v. Baxter Int'l, Inc., 582 F.3d 1288 (Fed. Cir. 2009) ("Fresenius I").  In March of 2012, the District Court awarded Baxter post verdict damages at a reduced royalty rate and entered final judgment.  Fresenius USA, Inc. v. Baxter Int'l, Inc., No. 03-CV-1431, 2012 WL 761712 (N.D. Cal. Mar. 8, 2012).

BaxterHowever, the execution of this final judgment was stayed by the District Court, because while the litigation was ongoing in the District Court, an ex parte reexamination of the '434 patent was occurring in parallel in the U.S. Patent Office.  In 2005, two years after filing the declaratory judgment case in the District Court, Fresenius also filed a request for ex parte reexamination of the same claims of the '434 patent.  In December 2007, the examiner entered a final rejection finding claims 26-31 of the '434 patent invalid as obvious.  This determination was affirmed by the Board of Patent Appeals and Interferences in March of 2010.  Ex parte Baxter, Int'l, Inc., No. 2009-006493, 2010 WL 1048980 (B.P.A.I. Mar. 18, 2010).  The BPAI determination was affirmed by the Federal Circuit in May 2012.  In re Baxter Int'l, Inc., 678 F.3d 1357 (Fed. Cir. 2012).  Thus, we now have Baxter prevailing before the District Court and Fresenius prevailing at the USPTO, setting the stage for the present appeal to determine which party would ultimately prevail.  For the majority of the panel, the winner is Fresenius.  For Judge Newman, the winner should have been Baxter.

Much of the discussion by the Court focuses on the history of the reissue and reexamination statutes.  However, everyone (even Baxter and dissenting Judge Newman) agrees that in general, when a claim is cancelled through reissue or reexamination, the patentee loses any cause of action based on that claim, and any pending litigation in which the claims are asserted becomes moot.  Where the real dispute lies is whether or not the USPTO's cancellation of claims 26-31 of the '434 patent should be given weight at this point in the District Court litigation.

The majority held that the USPTO's cancellation of the '434 patent claims rendered the District Court's judgment moot because neither the 2007 entry of judgment by the District Court, the remand decision by the Federal Circuit in Fresenius I, nor the District Court's 2012 entry of judgment was "sufficiently final."  Fresenius II at 20.  The Court distinguished the finality of a judgment for purposes of determining res judicata from the finality of a judgment for purposes of immunity from the effect of the final judgment in the PTO proceedings.  Id. at 19.  While the District Court's 2007 judgment was final for purposes of appeal and might have been given preclusive effect in another infringement case between the parties, the Court held that "it was not sufficiently final to preclude application of the intervening final judgment" in a reexamination proceeding.  Id.  Furthermore, while the Federal Circuit's decision in Fresenius I affirmed the validity of the '434 patent, the Court held that this was also not sufficiently final to provide immunity from the intervening final judgment of the reexamination because the issue of post-judgment damages had been remanded back to the District Court.  Id. at 20.  The Court followed a traditional analysis of finality wherein if any issue of law or fact remains, such as the issue of post-judgment damages in this case, then the decision is not final for purposes of preclusion.  Id. at 20-21.

In her dissent, Judge Newman took issue with the majority's view of finality.  In her opinion, the Federal Circuit's decision in Fresenius I resolved all issues of patent validity and created judicial finality.  Fresenius II (Dissent at 12).  Judge Newman opined that finality and preclusion should be imposed as to issues that were finally decided in full and fair litigation.  Id. at 16.  "[T]he issue of validity of the '434 patent had been raised, litigated, and decided, with full participation of the accused infringer; it cannot be relitigated."  Id. at 14.  The majority would agree, the issue of validity of the '434 patent cannot be relitigated -- but, in their view, it can definitely still be trumped.

Fresenius USA, Inc. v. Baxter International, Inc. (Fed. Cir. 2013)
Panel: Circuit Judges Newman, Dyk, and Prost
Opinion for the Court by Circuit Judge Dyk; dissenting opinion by Circuit Judge Newman

 

DISCLAIMER: Because of the generality of this update, the information provided herein may not be applicable in all situations and should not be acted upon without specific legal advice based on particular situations.

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