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 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
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 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
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
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
By Memorandum Order entered by the Honorable Leonard P. Stark in Baker v. Alpha Consolidated Holdings, Inc. et al., Civil Action No. 18-976-LPS (D.Del. September 17, 2021), the Court granted the combined motion for summary...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
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
277-1 Federal Circuit Affirms District Court Claim Construction in Foundation Pile Patent Infringement Dispute - The United States Court of Appeal for the Federal Circuit recently upheld the Central District of...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
A federal judge in the Eastern District of Virginia granted defendant Amazon.com, Inc.’s motion for attorneys’ fees under 35 U.S.C. § 285, ordering plaintiff Innovation Sciences, LLC to pay over $700,000 in fees that accrued...more
TECHTRONIC INDUSTRIES CO. LTD. v. ITC - Before Lourie, Dyk, and Wallach. Appeal from the U.S. International Trade Commission. Summary: Consistent description in the specification of a particular embodiment as the...more
PLASTIC OMNIUM ADVANCED INNOVATION AND RESEARCH V. DONGHEE AMERICA, INC. Before Reyna, Newman, and Clevenger. Appeal from the U.S. District Court for the District of Delaware. Summary: The patentee’s lexicography of...more
Federal Circuit Summary - Before Prost, Moore, and Reyna. Appeal from the District of Delaware. Summary: Plain language claim construction will not be narrowed based on the prosecution history unless the patentee...more