On October 17, the PTAB denied institution of IPR2016-000912, IPR2016-00915, IPR2016-00916. The Petitions in these cases were filed by Swiss Pharma International AG on U.S. Patent Nos. 8,815,236; 8,349,321; and 8,900,577, respectively, all owned by Biogen. The patents all relate to compositions of natalizumab, marketed by Biogen under the brand-name Tysabri®. The documents denying institution and other important PTAB documents are filed in our IPR tracker page.