PTAB Upholds Patent Claims on Methods of Using Ravicti®, <I>PTAB Litigation Blg</i>

PTAB Upholds Patent Claims on Methods of Using Ravicti®, PTAB Litigation Blog

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On November 3, 2016, the PTAB issued a Final Written Decision upholding a Horizon Therapeutics LLC (“Horizon”) patent, U.S. 8,642,012 (the ’012 patent), relating to use of Ravicti® (glycerol phenylbutyrate) for treating inborn urea cycle disorders (UCDs). The ’012 patent was challenged by generic-drug maker Par Pharmaceutical Inc. (“Par”) after Par was sued in ANDA litigation. Par’s IPR petition was joined with Lupin’s later-filed petition that raised substantially similar grounds. (See cases IPR2015-01117 and IPR2016-00283, joined.)

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