ABBVIE INC. v. MEDIMMUNE LTD.

2017-1689.

881 F.3d 1334 (2018)

ABBVIE INC., AbbVie Biotechnology, Ltd., Plaintiffs-Appellants v. MEDIMMUNE LIMITED, Defendant-Appellee.

United States Court of Appeals, Federal Circuit.

Decided February 5, 2018.


Attorney(s) appearing for the Case

JEFFREY I. WEINBERGER , Munger, Tolles & Olson LLP, Los Angeles, CA, argued for plaintiffs-appellants. Also represented by HEATHER E. TAKAHASHI ; GINGER ANDERS , Washington, DC; DAVID PENN FRAZIER , MICHAEL A. MORIN , Latham & Watkins LLP, Washington, DC.

DAVID I. BERL , Williams & Connolly LLP, Washington, DC, argued for defendant-appellee. Also represented by THOMAS S. FLETCHER , SHAUN PATRICK MAHAFFY.

Before Prost, Chief Judge, Dyk, and Chen, Circuit Judges.


AbbVie, Inc., and AbbVie Biotechnology Ltd. ("AbbVie") filed suit in the Eastern District of Virginia against MedImmune Limited ("MedImmune"), seeking a declaratory judgment that U.S. Patent No. 6,248,516 ("the '516 patent") is invalid. The district court determined that it lacked jurisdiction under the Declaratory Judgment Act...

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