Endo Pharmaceuticals Inc. v. Actavis LLC

  1. May 03, 2019

    Fed. Circ. Upholds Opana Patent Amid Generic Challenge

    The Federal Circuit on Friday upheld the validity of a patent related to Endo Pharmaceuticals' opioid painkiller Opana ER, finding generic-drug maker Teva Pharmaceuticals had not shown the invention was obvious.

  2. December 06, 2018

    Fed. Circ. Asks Whether Endo's Opioid Patent Was Obvious

    Actavis LLC and Endo Pharmaceuticals Inc. faced questions from a Federal Circuit panel on Thursday regarding whether someone of ordinary skill could successfully develop Endo's opioid painkiller Opana ER, amid Actavis' appeal of a ruling that Endo's Opana patent is valid.