The Patent Trial and Appeal Board (PTAB) issued its first final written decisions June 20, 2014, in four inter partes reviews (IPR) of pharmaceutical-related patents. The four decisions effectively invalidated all 58 of the challenged patent claims spread across four patents owned by Merck & Cie and South Alabama Medical Science Foundation (SAMSF) who previously accused Husch Blackwell client Gnosis SpA of infringement.