GILEAD SCIENCES, INC. v. MERCK & CO., INC.

2016-2302, 2016-2615.

888 F.3d 1231 (2018)

GILEAD SCIENCES, INC., Plaintiff-Cross-Appellant v. MERCK & CO., INC., Merck Sharp & Dohme Corp., Ionis Pharmaceuticals, Inc., Defendants-Appellants.

United States Court of Appeals, Federal Circuit.

Decided: April 25, 2018.


Attorney(s) appearing for the Case

JUANITA ROSE BROOKS , Fish & Richardson, PC, San Diego, CA, argued for plaintiff-cross-appellant. Also represented by CRAIG E. COUNTRYMAN , JONATHAN ELLIOT SINGER ; ELIZABETH M. FLANAGAN , DEANNA JEAN REICHEL , Minneapolis, MN; ROBERT M. OAKES , Wilmington, DE; EDMUND HIRSCHFELD , E. JOSHUA ROSENKRANZ , Orrick, Herrington & Sutcliffe LLP, New York, NY.

JEFFREY A. LAMKEN , MoloLamken LLP, Washington, DC, argued for defendants-appellants. Also represented by JAMES A. BARTA , SARAH JUSTINE NEWMAN , MICHAEL GREGORY PATTILLO, JR. ; SARA MARGOLIS , New York, NY; JESSAMYN SHELI BERNIKER , STANLEY E. FISHER , BRUCE GENDERSON , JESSICA PALMER RYEN , Williams & Connolly LLP, Washington, DC; MITCHELL EPNER , STEPHEN S. RABINOWITZ , Hughes Hubbard & Reed LLP, New York, NY.

Before Taranto, Clevenger, and Chen, Circuit Judges.


This case involves two patents relating to treatments for Hepatitis C. Merck & Co., Inc. and Ionis Pharmaceuticals, Inc. (formerly Isis Pharmaceuticals, Inc.) collaborated on research in the area and eventually obtained U.S. Patent Nos. 7,105,499 and 8,481,712. The patents, whose specifications are materially the same...

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