Achates References v. Apple (Fed. Cir. 2015)
At the conclusion of its Inter Partes Review Proceeding (IPR), the Administrative Patent Trial and Appeal Board (PTAB) concluded that several claims of Achates' patents were invalid. U.S. Patents No. 5,982,889 (claims 1-4); and No. 6,173,403 (claims 1-12 and 17-19).