Last month, the Federal Circuit’s holding in Google LLC v. Hammond Dev. Int’l, Inc.[1]  illustrated the importance of raising a collateral estoppel argument when the opportunity arises. In Google LLC v. Hammond Dev. Int’l, Inc., the Court decided the patentability of claims directed to subject matter that was previously held unpatentable following

In American National v. Sleep Number Corporation, the Court of Appeals for the Federal Circuit (“CAFC”) affirmed the Patent Trial and Appeal Board’s (“Board”) decision to allow a patent owner to present proposed amended claims during inter partes review (“IPR”)proceedings that both respond to a ground of unpatentability and make other wording changes unrelated

In Polaris Innovations Ltd. v. Brent, No. 2019-1483, 2022 WL 4241665 (Fed. Cir. Sept. 15, 2022), the Federal Circuit faced an appeal that had bounced back and forth between the Court and Patent Trial and Appeal Board (“the Board”) several times while it was caught in the administrative ambiguity resulting from the Arthrex decision.

Background

In 2018, Hunting Titan, Inc. filed a petition for inter partes review (“IPR”) of U.S. Patent No. 9,581,422 (“the ’422 patent”), which is owned by DynaEnergetics Europe GmbH, a manufacturer of industrial explosives. In pertinent part, Hunting Titan asserted in its petition that claims 1-15 of the ’422 patent were unpatentable because they were

On the first of February, in Qualcomm Inc. v. Apple Inc., the Court of Appeals for the Federal Circuit (“the CAFC”) vacated and remanded the Patent Trial and Appeal Board (“the Board”) on two inter partes review (“IPR”) decisions that held claims 1, 2, 5-9, 12, 13, and 16-22 of Qualcomm’s U.S. Patent No.

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

On December 28, 2021, the Federal Circuit issued another decision addressing an appellant’s standing to appeal inter partes review (“IPR”) decisions from the PTAB. The patent community has seen several opinions over the last couple of years as the Federal Circuit continues to navigate the complicated waters of what is and is not sufficient to