Egenera, Inc. v. Cisco Systems, Inc., No. 2023-1428 (Fed. Cir. (D. Mass.) July 7, 2025). Opinion by Stark, joined by Prost and Taranto. Egenera owns a patent related to improved systems and methods for deploying and...more
The US Court of Appeals for the Federal Circuit affirmed a district court’s finding of noninfringement, concluding that the patent owner had improperly raised a claim construction issue for the first time on appeal – an...more
Alnylam Pharmaceuticals, Inc. v. Moderna, Inc., Appeal No. 2023-2357 (Fed. Cir. June 4, 2025) In this week’s Case of the Week, the Federal Circuit affirmed a final judgment that Moderna’s mRNA-based COVID-19 vaccine did...more
Steuben Foods, Inc. v. Shibuya Hoppmann Corp., et al., No. 2023-1790 (Fed. Cir. (D. Del.) Jan. 24, 2024). Opinion by Moore, joined by Hughes and Cunningham. Steuben sued Shibuya for infringement of three patents relating to...more
The US Court of Appeals for the Federal Circuit affirmed a district court judgment of noninfringement, finding that deleting a portion of a definition between a provisional application and a nonprovisional application was...more
DDR Holdings, LLC v. Priceline.com LLC, Appeal Nos. 2023-1176, -1177 (Fed. Cir. Dec. 9, 2024) In our Case of the Week, the Federal Circuit affirmed a stipulated non-infringement judgment from Delaware’s district court,...more
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
In a split decision, the US Court of Appeals for the Federal Circuit affirmed a district court’s award of more than $5 million in attorneys’ fees, finding that the district court did not abuse its discretion in finding the...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
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
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
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
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
In the second appeal to the US Court of Appeals for the Federal Circuit, the preamble term “three-dimensional spreadsheet” was found to be a limitation in the context of claims directed to organizing and presenting...more
Gilbert P. Hyatt v. Andrew Hirshfeld, Appeal Nos. 2018-2390, -2391, -2392, 2019-1038, -1039, -1049, -1070 (Fed. Cir. June 1, 2021) - This week’s Case of the Week explores a long-running dispute between controversial...more
The US Court of Appeals for the Federal Circuit remanded a district court’s claim construction and grant of a defendant’s summary judgment motion of non-infringement under the doctrine of equivalents, finding that a...more
Uniloc 2017 LLC v. Facebook Inc., Appeal Nos. 2019-1688, -1689 (Fed. Cir. Mar. 9, 2021) In this week’s Case of the Week, Uniloc appealed from two consolidated IPR decisions finding multiple claims unpatentable as obvious....more