DUBLIN and PHILADELPHIA, April 23, 2010 /PRNewswire-FirstCall/ -- Shire plc (LSE: SHP, NASDAQ: SHPGY), the global specialty biopharmaceutical company, announces that its subsidiary Shire LLC has filed a lawsuit in the U.S. District Court for the District of Delaware against Teva Pharmaceuticals USA, Inc. and Teva Pharmaceutical Industries, Ltd (collectively “Teva”) for the infringement of U.S. Patent Nos. 6,287,599 (the ‘599 patent) and 6,811,794 (the ‘794 patent).
