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
The US Court of Appeals for the Federal Circuit recently affirmed a summary judgment of no design patent infringement in North Star Tech. Int’l Ltd. v. Latham Pool Products, Inc., ruling that the patented and accused pool...more
Mirror Worlds Technologies, LLC ("Mirror Worlds") owns U.S. Patent Nos. 6,006,227; 7,865,538; and 8,255,439, which claim methods for storing, organizing, and presenting data in time-ordered streams on a computer system. In...more
Mirror Worlds Technologies, LLC v. Meta Platforms, Inc., Appeal Nos. 2022-1600, -1709 (Fed. Cir. Dec. 4, 2024) In this appeal from the United States District Court for the Southern District of New York, the Federal...more
On February 9, in University of South Florida Board of Trustees v. United States, the Federal Circuit upheld royalty-free license rights of the U.S. government over a University of South Florida (USF) patent directed to...more
PersonalWeb—the third appeal from a multidistrict litigation involving alleged infringement of PersonalWeb’s patents—addressed two issues: (1) whether the district court abused its discretion in finding the case exceptional...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 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
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 Eighth Circuit affirmed summary judgment of noninfringement in a trade dress suit, finding that the trade dress was functional and the attorneys’ fee award—as diminished by the district...more
The US Court of Appeals for the Sixth Circuit reversed a district court’s summary judgment of noninfringement in a copyright dispute, finding that the transfer of ownership prior to the display of the copyrighted work...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
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
Decades ago, Andy Warhol created 15 silkscreen prints and pencil illustrations based on Lynn Goldsmith’s 1981 photograph of the artist Prince. Goldsmith’s agent had licensed Vanity Fair to use the image to publish an...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
Addressing whether the phrase “a plurality of” should apply to each element in a series, the US Court of Appeals for the Federal Circuit entered judgment of non-infringement, finding that the district court’s claim...more
The US Court of Appeals for the Federal Circuit vacated a grant of summary judgment of non-infringement and remanded for resolution of numerous factual issues in a case addressing “extremely frustrating” issues involving the...more
PATENT CASE OF THE WEEK - Apple Inc. v. Voip-Pal.com, Inc., Appeal No. 2018-1456, -1457 (Fed. Cir. Sept. 25, 2020) - In our Case of the Week, the Federal Circuit addressed two novel issues following inter partes review...more
PATENT CASE OF THE WEEK - Baxalta Inc. v. Genentech, Inc., Appeal No. 2019-1527 (Fed. Cir. Aug. 27, 2020) - In this week’s Case of the Week, an appeal from the United States District Court for the District of Delaware,...more
The US Court of Appeals for the Federal Circuit vacated a summary judgment finding an asserted patent invalid for lack of enablement while affirming the holding of non-infringement. McRO, Inc. v. Bandai Namco Games America...more