USA: Shire Development, LLC v. Watson Pharmaceuticals, Inc., United States Court of Appeals, Federal Circuit, No. 2016-1785, 10 February 2017
Pharmaceuticals company Watson’s proposed generic version of competitor Shire’s brand-name mesalamine LIALDA® did not satisfy the requirements for a Markush group claimed by a Shire patent, the U.S. Court of Appeals for the Federal Circuit has held. A compound contained in the ANDA product—which was not present in the patent claim’s Markush group—structurally and functionally…