Horizon Therapeutics Public Limited Co (fka HZNP)

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1:09AM Horizon Pharma files patent infringement lawsuit against Watson Labs for filing ANDA against RAYOS (HZNP) 2.60 : Horizon Pharma announces it, along with SkyePharma from whom it has licensed certain RAYOS intellectual property, has filed a patent infringement lawsuit in the United States District Court for the District of New Jersey against Watson Laboratories, Inc. - Florida and certain related companies and related to an Abbreviated New Drug Application that WLF filed with the FDA to market generic versions of RAYOS containing 1 mg, 2 mg and 5 mg of prednisone.

WLF alleged that its generic versions of RAYOS would not infringe the subject U.S. patents or the patents are invalid or unenforceable. WLF has not advised Horizon as to the timing or status of the FDA's review of its filing, or whether it has complied with FDA requirements for proving bioequivalence. The defendants in the lawsuit are Watson Laboratories - Florida, Actavis Pharma, Andrx, and Actavis.