In Great West Casualty Co. v. Intellectual Ventures II LLC, [IPR2016-01534] (February 15, 2017), the PTAB declined to institute an IPR because petitioners were estopped by their prior challenge to U.S. Patent No. 7,516,177. The Board noted that the instant Petition … Continue reading Someone Forgot to Tell the PTAB That There is No IPR Estoppel