Breaking Down the Latest Decision in the Purdue Pharma Case
Hooper, Kearney and Macklin on Cutting Edge Topics in the False Claims Act
The Briefing by the IP Law Blog: Trademark Infringement - Tiffany & Co. Versus Costco
Podcast: Non-binding Guidance: A Discussion of Kisor v. Wilkie
The Federal Circuit recently issued a significant decision in the ongoing patent litigation between Laboratory Corporation of America Holdings (Labcorp) and Qiagen Sciences, LLC, reversing a Delaware district court’s judgment...more
In a significant blow to Apple, the Federal Circuit recently vacated a summary judgment of noninfringement in the case of Taction Technology, Inc. v. Apple Inc. The dispute centers on Taction’s U.S. Patent Nos. 10,659,885 and...more
The US Court of Appeals for the Federal Circuit vacated and remanded a preliminary injunction (PI), finding that the district court improperly construed a claim term based on references cited in a provisional application but...more
On June 25, 2025, Acting Director Coke Stewart released an informative decision vacating institution of inter partes review (“IPR”) based on two petitions that were primarily filed to present two different constructions....more
The Federal Circuit vacated and remanded the district court’s summary judgement of noninfringement, finding that the lower court had improperly construed the claim term “pull cord.” The district court had erroneously limited...more
The US Court of Appeals for the Federal Circuit affirmed a district court’s finding of infringement but vacated its damages award because the award improperly included auxiliary products lacking any functional relationship to...more
The US Court of Appeals for the Federal Circuit found that a district court misconstrued claim terms based on a misapplication of the clear and unequivocal disavowal standard and vacated its noninfringement decision. Maquet...more
Wash World Inc. v. Belanger Inc., No. 2023-1841 (Fed. Cir. (E.D. Wis.) Mar. 24, 2025). Opinion by Stark, joined by Lourie and Prost. Belanger sued Wash World for infringement of a patent related to a spray type car wash...more
In re: Riggs, Appeal No. 2022-1945 (Fed. Cir. Mar. 24, 2025) Our Case of the Week explores the power of an examiner to request a rehearing after the Board has entered a decision on an application. The case also relates to...more
CloudofChange, LLC v. NCR Corp., Appeal No. 2023-1111 (Fed. Cir. Dec. 18, 2024) In our Case of the Week, the Federal Circuit addressed the question of divided infringement in the context of system claims. In its...more
Every month, Erise’s patent attorneys review the latest inter partes review cases and news to bring you the stories that you should know about: USPTO Director Vidal to Step Down - On November 12, Under Secretary of...more
SnapRays v. Lighting Defense Group, Appeal No. 2023-1184 (Fed. Cir. May 2, 2024) Our Case of the Week deals with an issue the Court has not addressed recently: the question of declaratory judgment jurisdiction....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
In re PersonalWeb Technologies LLC, Appeals Nos. 2021-1858, -1859, -1860 (Fed. Cir. Nov. 3, 2023) In this appeal from the United States District Court for the Northern District of California, the question before the...more
Precedential and Key Federal Circuit Opinions - CYNTEC COMPANY, LTD. v. CHILISIN ELECTRONICS CORP., CHILISIN AMERICA LTD. [OPINION] (2022-1873, 10/16/23) (Moore, Stoll, Cunningham) - Stoll, J. The Court reversed the...more
Axonics, Inc. v. Medtronic, Inc., Appeal Nos. 2022-1532, -1533 (Fed. Cir. Aug. 7, 2023) In this week’s case of the week, the Federal Circuit re-affirmed existing precedent that in inter partes review proceedings before...more
As post grant review allows for on sale bar assertions, and thus experimental use defenses, we wanted to highlight a recent case addressing these issues. Sunoco sued Venture and U.S. Oil Co. for infringement of U.S. Patent...more
The PTAB Strategies and Insights newsletter provides timely updates and insights into how best to handle proceedings at the USPTO. It is designed to increase return on investment for all stakeholders looking at the entire...more
The US Court of Appeals for the Federal Circuit vacated a district court’s claim construction concerning generic independent claims that were amended after a species restriction requirement, because the district court...more
In re: Volkswagen Group of America, Inc. and In re: Hyundai Motor America, Appeal Nos. 2022-108, -109 (Fed. Cir. Mar. 9, 2022) - In the most recent of multiple mandamus rulings issued by the Federal Circuit in relation to...more
[co-author: Jamie Dohopolski] Love it or hate it, ignore the USPTO Patent Trial and Appeal Board (PTAB) at your peril. The introduction of the PTAB as part of the America Invents Act over ten years ago has forever changed...more
[co-author: Jamie Dohopolski] Last year, the continued global COVID-19 pandemic forced American courts to largely continue the procedures set in place in 2020. The U.S. Court of Appeals for the Federal Circuit was no...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
[co-author: Jay Bober, Summer Associate] The PTAB Strategies and Insights newsletter provides timely updates and insights into how best to handle proceedings at the USPTO. It is designed to increase return on investment for...more