The US Court of Appeals for the Federal Circuit vacated a district court’s final judgment of noninfringement, finding that the district court improperly narrowed the constructions of certain claim terms to particular features...more
The US Court of Appeals for the Federal Circuit reversed and remanded a district court’s claim construction and related summary judgment rulings after determining that the district court erred in construing a claim term by...more
The Federal Circuit provided its latest guidance with respect to prosecution disclaimer in K-fee System GMBH v. Nespresso USA, Inc., 2023 WL 8882383, — F.4th — (Fed. Cir. Dec. 26, 2023). K-fee involved patents covering...more
K-Fee System GmbH v. Nespresso USA, Inc., Appeal No. 2022-2042 (Fed. Cir. Dec. 26, 2023) In an appeal from a district court judgment of noninfringement, the Federal Circuit reversed the underlying claim construction...more
In Finjan LLC, FKA Finjan, Inc. v. SonicWall, Inc., No. 2022-1048 (Fed. Cir. Oct. 13, 2023), the Federal Circuit vacated a summary judgement of invalidity based on collateral estoppel, where the case that provided estoppel...more
Precedential and Key Federal Circuit Opinions - MALVERN PANALYTICAL INC. v. TA INSTRUMENTS-WATERS LLC [OPINION] (2022-1439, 11/1/2023) (Prost, Hughes, and Cunningham) - Prost, J. The Court vacated the district court’s...more
The US Court of Appeals for the Federal Circuit vacated a stipulated judgment of noninfringement in a patent infringement dispute after construing a disputed claim term, taking a more literal approach than the district court...more
Precedential and Key Federal Circuit Opinions - 1. FINJAN LLC V. SONICWALL, INC [OPINION] (22-1048, 10/13/2023) (Reyna, Bryson, and Cunningham) - Cunningham, J. The Court vacated the district court’s judgment of...more
Sequoia Technology, LLC v. Dell, Inc., Appeal Nos. 2021-2263, -2264, -2265, -2266 (Fed. Cir. April 12, 2023) In an appeal from a stipulated judgment of noninfringement and invalidity following an adverse claim construction...more
The US Court of Appeals for the Federal Circuit affirmed a jury’s noninfringement verdict, finding that the district court correctly interpreted the article “a” and antecedent “said” in the asserted claims to require that a...more
Apple Inc. v. Vidal, Appeal No. 2022-1249 (Fed. Cir. Mar. 13, 2023) In our Case of the Week, the Federal Circuit allowed Apple’s challenge to the Patent Trial and Appeal Board’s (“PTAB”) Fintiv rules to proceed, at least...more
Last year, in our inaugural issue of “The Year in Review,” we reported that since the landmark jury verdict in the IP litigation between Apple and Samsung in 2012, which awarded more than $1B to Apple for infringement of...more
The US Court of Appeals for the Federal Circuit affirmed a US International Trade Commission (Commission) decision that found no violation of Section 337 due to noninfringement. The Court disagreed with the Commission that...more
The US Court of Appeals for the Federal Circuit vacated a district court’s noninfringement decision that was based on a negative claim construction and remanded with instructions for the district court to determine what...more
The Federal Circuit has vacated and remanded a district court’s ruling of noninfringement because of erroneous claim construction that would leave the dependent claims of a patent with no scope. In Littelfuse, Inc. v....more
Precedential Federal Circuit Opinions - ROCHE DIAGNOSTICS CORPORATION v. MESO SCALE DIAGNOSTICS, LLC [OPINION] (2021-1609, 2021-1633, April 8, 2022) (NEWMAN, PROST, and TARANTO) - Prost, J. Affirming in part and...more
Littelfuse, Inc. v. Mersen USA EP Corp., Appeal No. 2021-2013 (Fed. Cir. Apr. 4, 2022) - Our Case of the Week focuses on the issue of claim construction, and, more specifically, the doctrine of claim differentiation....more
The US Court of Appeals for the Federal Circuit reversed a district court’s grant of summary judgment of noninfringement after concluding that the district court erred by relying on expert testimony to construe a claim term...more
On March 8, 2022, Judge John G. Koeltl (S.D.N.Y.) denied Defendant Facebook Inc.’s (“Facebook”) motion for summary judgment that the claims of three related patents directed to “storing documents in a chronologically ordered...more
Case Name: Horizon Medicines LLC v. Alkem Labs. Ltd., No. 2021-1480, 2021 WL 5315424 (Fed. Cir. Nov. 16, 2021) (Circuit Judges Dyk, O’Malley, and Hughes presiding; Opinion by Dyk, J.) (Appeal from D. Del., Andrews, J.)...more
Precedential Federal Circuit Opinions EVOLUSION CONCEPTS, INC. v. HOC EVENTS, INC. [OPINION] (2021-1963, 1/14/22) (Prost, Taranto, Chen) - Taranto, J. Reversing summary judgment of noninfringement for patent related to...more
The US Court of Appeals for the Federal Circuit affirmed a lower court’s findings of noninfringement, in part because the plaintiff had failed to prove the “way” element of the function-way-result test for a first...more
Mobility Workx, LLC v. Unified Patents, LLC, Appeal No. 2020-1441 (Fed. Cir. Oct. 13, 2021) - In this week’s Case of the Week, a panel of the Court of Appeals for the Federal Circuit considered, and rejected, new...more
Precedential Federal Circuit Opinions KANNUU PTY LTD. v. SAMSUNG ELECTRONICS CO., LTD. [OPINION] (2021-1638, 10/7/21) (Newman, Prost, Chen) - Chen, J. Denying motion for preliminary injunction. Patentee sought to compel...more
In deciding whether the district court correctly interpreted various claim terms in four patents related to communication techniques used in computer gaming technology, the US Court of Appeals for the Federal Circuit found...more