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INDIVIOR UK LTD. v. DR. REDDY'S LABORATORIES S.A.

2020-2073, 2020-2142.

18 F.4th 1323 (2021)

INDIVIOR UK LIMITED, Appellant v. DR. REDDY'S LABORATORIES S.A., Dr. Reddy's Laboratories, Inc., Cross-Appellants.

United States Court of Appeals, Federal Circuit.

Decided: November 24, 2021.

Attorney(s) appearing for the Case

Richard L. Rainey , Covington & Burling LLP, Washington, DC, argued for appellant. Also represented by Jeffrey B. Elikan , Nicholas Lane Evoy , Matthew Aaron Kudzin ; Peter P. Chen , Palo Alto, CA.

Kevin Paul Martin , Goodwin Procter LLP, Boston, MA, argued for cross-appellants. Also represented by Elaine Blais , Edwina Clarke , Robert Frederickson, III ; Ira J. Levy , Alexandra D. Valenti , New York, NY.

Opinion concurring in part and dissenting in part filed by Circuit Judge LINN.

Dr. Reddy's Laboratories S.A. and Dr. Reddy's Laboratories, Inc. (collectively, "DRL") petitioned for inter partes review of U.S. Patent 9,687,454 (the "'454 patent"), owned by Indivior UK Limited ("Indivior"). The United States Patent and Trademark Office Patent Trial and Appeal Board (the "Board") held that claims...

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