In late December,  in Intel Corp. v. Qualcomm Inc., 2020-1828 (Fed. Cir. Dec. 28, 2021), the Federal Circuit found the PTAB erred by accepting Intel’s stipulation concerning the indefiniteness of a means-plus-function claim term. In this opinion, the Federal Circuit explains that in Inter Partes Review (IPR) proceedings, patentability determinations cannot be circumvented due to…