In an appeal from the Patent Trial and Appeal Board (PTAB), the US Court of Appeals for the Federal Circuit held that although the PTAB erred by instituting review based on a ground not advanced in the petition, the PTAB correctly found the patent at issue was invalid and affirmed the final written decision. Koninklijke Philips N.V. v. Google LLC, Case No. 19-1177 (Fed. Cir., Jan. 30, 2020) (Prost, C.J.).