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SUMITOMO DAINIPPON PHARMA v. EMCURE PHARMACEUT.

2017-1798, 2017-1799, 2017-1800.

887 F.3d 1153 (2018)

SUMITOMO DAINIPPON PHARMA CO., LTD., Sunovion Pharmaceuticals Inc., Plaintiffs-Appellees v. EMCURE PHARMACEUTICALS LIMITED, Heritage Pharma Labs Inc., fka Emcure Pharmaceuticals USA Inc., Invagen Pharmaceuticals, Inc., Teva Pharmaceuticals USA, Inc., Teva Pharmaceutical Industries, Ltd., Defendants-Appellants.

United States Court of Appeals, Federal Circuit.

Decided: April 16, 2018.

Attorney(s) appearing for the Case

PRESTON K. RATLIFF, II , Paul Hastings LLP, New York, NY, argued for plaintiffs-appellees. Also represented by JOSEPH M. O'MALLEY, JR. ; STEPHEN BLAKE KINNAIRD , Washington, DC; WILLIAM CHARLES BATON , CHARLES M. LIZZA , Saul Ewing Arnstein & Lehr LLP, Newark, NJ.

CHRISTOPHER K. HU , Blank Rome LLP, New York, NY, argued for all defendants-appellants. Defendants-appellants Emcure Pharmaceuticals Limited, Heritage Pharma Labs Inc. also represented by JAY PHILIP LESSLER ; DAVID C. KISTLER , Princeton, NJ.

ROBERT S. SILVER , Caesar, Rivise, Bernstein, Cohen & Pokotilow, Ltd., Philadelphia, PA, for defendant-appellant Invagen Pharmaceuticals, Inc. Also represented by SALVATORE GUERRIERO , PEI-RU WEY .

IRA J. LEVY , Goodwin Procter LLP, New York, NY, for defendants-appellants Teva Pharmaceuticals USA, Inc., Teva Pharmaceutical Industries, Ltd. Also represented by LINNEA P. CIPRIANO , CYNTHIA LAMBERT HARDMAN ; WILLIAM M. JAY , Washington, DC; DAVID ZIMMER , Boston, MA; BRIAN JOSEPH PREW , Greenberg Traurig, LLP, New York, NY.

Before Moore, Mayer, and Stoll, Circuit Judges.

This Hatch-Waxman appeal requires us to construe the scope of a claim depicting a compound's chemical structure. Although the compound can exist in two different three-dimensional orientations that are mirror images of each other, only one is portrayed in the claim. The district court construed the claim to cover the two three...

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