2017-1153 2017-2048 2017-2049 2017-2050.

919 F.3d 1333 (2019)

GRUNENTHAL GMBH, Assertio Therapeutics, Inc., Plaintiffs-Cross-Appellants v. ALKEM LABORATORIES LIMITED, Hikma Pharmaceuticals International Limited, Hikma Pharmaceuticals USA Inc., Defendants-Appellants Actavis Elizabeth LLC, Defendant-Appellee Actavis Laboratories UT, Inc., Defendant.

United States Court of Appeals, Federal Circuit.

Decided: March 28, 2019.

Attorney(s) appearing for the Case

Michael Sitzman , Gibson, Dunn & Crutcher LLP, San Francisco, CA, argued for all plaintiffs-cross-appellants. Plaintiff-cross-appellant Assertio Therapeutics, Inc. also represented by Jaysen Chung ; Christine Ranney , Denver, CO; Timothy P. Best , Los Angeles, CA.

Linda A. Wadler , Finnegan, Henderson, Farabow, Garrett & Dunner, LLP, Washington, DC, for plaintiff-cross-appellant Grunenthal GmbH. Also represented by Krista E. Bianco.

Michael E. Joffre , Sterne Kessler Goldstein & Fox, PLLC, Washington, DC, argued for defendant-appellee. Also represented by William H. Milliken .

Robert J. Gajarsa , Latham & Watkins LLP, Washington, DC, argued for defendants-appellants Hikma Pharmaceuticals International Limited, Hikma Pharmaceuticals USA Inc. Also represented by Kenneth G. Schuler , Chicago, IL; Gregory Sobolski , San Francisco, CA.

Imron T. Aly , Schiff Hardin, Chicago, IL, argued for defendant-appellant Alkem Laboratories Limited. Also represented by Cindy Ahn , Jason Harp , Neil Lloyd ; Ahmed M.T. Riaz , New York, NY.

Before Reyna, Taranto, and Chen, Circuit Judges.

Alkem Laboratories Limited, Hikma Pharmaceuticals International Limited, and Hikma Pharmaceuticals USA Inc. appeal the judgment of the district court that U.S. Patent No. 7,994,364 is not invalid for obviousness or lack of utility. Grünenthal GmbH and Assertio Therapeutics, Inc., formerly Depomed, Inc., cross-appeal the...

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