SENJU PHARMACEUTICAL CO. v. LUPIN LTD.

No. 2013-1630.

780 F.3d 1337 (2015)

SENJU PHARMACEUTICAL CO., Ltd., Kyorin Pharmaceutical Co., Ltd., Allergan, Inc., Plaintiffs-Appellants, v. LUPIN LIMITED, Lupin Pharmaceuticals, Inc., Defendants-Appellees. Hi-Tech Pharmacal Co., Inc., Defendant-Appellee.

United States Court of Appeals, Federal Circuit.

March 20, 2015.


Attorney(s) appearing for the Case

Mark Andrew Perry , Gibson, Dunn & Crutcher LLP, Washington, DC, argued for plaintiffs-appellants. Also represented by Jeffrey T. Thomas , Irvine, CA, Lucas C. Townsend , Washington, DC; Richard D. Kelly , Frank Jonah West , Stephen G. Baxter , Oblon, Spivak, McClelland, Maier & Neustadt, LLP, Alexandria, VA.

Deanne M. Mazzochi , Rakoczy Molino Mazzochi Siwik LLP, Chicago, IL, argued for defendants-appellees Lupin Limited, Lupin Pharmaceuticals, Inc. Also represented by William A. Rakoczy , Paul J. Molino , Anuj Kumar Wadhwa , John Polivick , Brian Peter Murray.

Jeffrey T. Castellano , Shaw Keller LLP, Wilmington, DE, argued for defendant-appellee Hi-Tech Pharmacal Co., Inc. Also represented by Karen E. Keller ; Steven D. Roth , Locke Lord, LLP, New York, NY.

Dissenting opinion filed by Circuit Judge NEWMAN.


This is a patent case brought under the Hatch-Waxman Act, Pub.L. No. 98-417, 98 Stat. 1585 ("the Act"), on appeal from the United States District Court for the District of Delaware. Pursuant to the Act, plaintiffs-appellants Senju Pharmaceutical Co., Ltd., Kyorin Pharmaceutical Co., Ltd., and Allergan, Inc. (collectively ...

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