Cienna Corp. v. Oyster Optics, LLC and Andrei Iancu (Fed. Cir. 2020) In this case, the Federal Circuit held that an IPR petitioner did not have a right to raise the Arthrex appointments issue on appeal unless the issue was first raised before the PTAB. The court’s basic reasoning is actual and equitable waiver. The problem … Continue reading Now Precedential: IPR Petitioner who Waived Arthrex issue cannot Raise it on Appeal after Losing the IPR