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
On June 16, 2025, the U.S. Court of Appeals for the Federal Circuit (“CAFC”) vacated a $300 million damages award because the district court used a flawed verdict form, which included only a single, blanket question as to...more
OPTIS CELLULAR TECHNOLOGY, LLC v. APPLE INC. - Before Prost, Reyna, and Stark. Appeal from the United States District Court for the Eastern District of Texas. Patent plaintiffs have a right to a unanimous verdict on each...more
On June 16, in Optis Cellular Technology v. Apple Inc., the Federal Circuit issued a decision reversing the district court on multiple grounds, including § 101 patent eligibility and trial procedure, in vacating infringement...more
Apple has escaped a $300 million patent infringement verdict after a three-judge panel of the United States Court of Appeals for the Federal Circuit vacated both the infringement and damages judgment because of faulty jury...more
In an en banc decision in EcoFactor, Inc. v. Google LLC, the US Court of Appeals for the Federal Circuit concluded that the district court abused its discretion by admitting testimony from a damages expert that a lump-sum...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
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
Crocs, Inc. v. Double Diamond Distribution, Ltd., Appeal No. 2022-2160 (Fed. Cir. Oct. 3, 2024) In our Case of the Week, the Federal Circuit examined whether a district court erred in dismissing false advertising claims...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
Harris Brumfield v. IBG LLC, Appeal No. 2022-1630 (Fed. Cir. Mar. 27, 2024) In our case of the week, the Federal Circuit addressed three issues in a dispute that dates back to 2010, and has been to the Court on three...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: After IPR victory, Intel wins appeal on $2.2 billion patent award - Bloomberg...more
VLSI Technology LLC v. Intel Corporation, Appeal No. 2022-1906 (Fed. Cir. December 4, 2023) In this week’s Case of the Week, the Federal Circuit vacated an approximately $2.2 billion damages award against appellant Intel...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 damages verdict because the acts supporting the induced infringement finding took place years before the statutory damages period and thus could not support a finding...more
ROCHE DIAGNOSTICS CORPORATION v. MESO SCALE DIAGNOSTICS, LLC - Before Newman, Prost, and Taranto. Appeal from the U.S. District Court for the District of Delaware. Summary: A finding of inducing infringement requires...more
On February 4, 2022, the Federal Circuit clarified that IPR estoppel extends to all claims and invalidity grounds that the petitioner could have reasonably asserted in its IPR petition. ...more
Precedential Federal Circuit Opinions - In Re MAXPOWER SEMICONDUCTOR, INC. [ORDER] (2021-146, 9/8/21) (O’Malley, Reyna, Chen) - Reyna, J. Denying mandamus petition and dismissing appeal. The Court declined to...more
The patent marking statute, codified at 35 U.S.C. § 287(a) appears straightforward: Patentees, and persons making, offering for sale, or selling within the United States any patented article for or under them, or importing...more
PATENT CASE OF THE WEEK - Elbit Systems Land and C4I Ltd. v. Hughes Network Systems, LLC, Appeal No. 2018-1910 (Fed. Cir. June 25, 2019) - In this appeal from the United States District Court for the Eastern District of...more
A Nebraska court upheld a jury’s reasonable royalty award of more than $14 million for infringement of Exmark’s patent relating to lawnmower baffles. An appellate court had vacated a previous jury award and remanded the case...more
Following remand from the Supreme Court of the United States, the US Court of Appeals for the Federal Circuit addressed the impact of an intervening invalidation of four of six patent claims in issue by the Patent Trial and...more
Federal Circuit Summary - Before Newman, Hughes, and Stoll. Appeal from the United States District Court for the Northern District of California. Summary: Reasonable royalty patent damages cannot include a royalty for...more