The Patent Trial and Appeal Board (PTAB or Board) interpreted the estoppel provision of 35 U.S.C. § 315(e)(1) to deny institution of inter partes review in a second petition by the same petitioner against the challenged...more
In a recent Inter Partes Review (“IPR”) institution decision, Apotex v Wyeth (IPR2015-00873, Paper No. 8), the USPTO’s Patent Trial and Appeal Board (the “Board”) found that some previously-asserted grounds of invalidity were...more