Legal Opinion

Impax Laboratories Inc. v. Lannett Holdings Inc.

Court of Appeals for the Federal Circuit

Decided June 28, 2018No. 2017-2020PublishedCited by 13 opinions

1Opinion of the Court

Lourie, Circuit Judge.

*1375 Lannett Holdings Inc. and Lannett Co. Inc. (together, "Lannett") appeal from the decision of the United States District Court for the District of Delaware concluding, after a bench trial, that claims 4, 11, 12, and 14 of U.S. Patent 6,750,237 ("the '237 patent") and claims 6 and 14-16 of U.S. Patent 7,220,767 ("the '767 patent") were not shown to be invalid, see Impax Labs., Inc. v. Lannett Holdings Inc. , 246 F.Supp.3d 1024 (D. Del. 2017) (" Opinion "), entering judgment in favor of Impax Laboratories Inc. ("Impax"), AstraZeneca AB, and AstraZeneca UK Limited…

2Cases cited17 opinions

  1. United States v. United States Gypsum Co.Supreme Court of the United States · 1948
  2. Graham v. John Deere Co. of Kansas CitySupreme Court of the United States · 1966
  3. KSR International Co. v. Teleflex Inc.Supreme Court of the United States · 2007
  4. Microsoft Corp. v. i4i Ltd. PartnershipSupreme Court of the United States · 2011
  5. Teva Pharm. United States, Inc. v. Sandoz, Inc.Supreme Court of the United States · 2015

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3Cited by13 opinions

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  3. Roku, Inc. v. Universal Electronics, Inc.Court of Appeals for the Federal Circuit · 2023
  4. Apple Inc. v. voip-pal.com, Inc.Court of Appeals for the Federal Circuit · 2020
  5. B/E Aerospace, Inc. v. C&D Zodiac, IncCourt of Appeals for the Federal Circuit · 2020

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