Precedential and Key Federal Circuit Opinions - LABORATORY CORPORATION OF AMERICA HOLDINGS v. QIAGEN SCIENCES, LLC [OPINION] (2023-2350, 08/13/2025) (Lourie, Dyk, Cunningham) - Lourie, J. The Court reversed the...more
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 reversed a district court’s denial of a motion for judgment as a matter of law (JMOL) of noninfringement, finding that the jury’s infringement findings were unsupported by...more
On July 30, 2025, the U.S. District Court for the District of Delaware entered a Final Judgment in the dispute between Alnylam Pharmaceuticals, Inc. (“Alnylam”) and Pfizer, Inc. (“Pfizer”)—concluding that Pfizer’s...more
Top Brand LLC v. Cozy Comfort Company LLC, Appeal No. 2024-2191 (Fed. Cir. July 17, 2025) In this week’s Case of the Week, the Court of Appeals for the Federal Circuit held that prosecution history disclaimer applies to...more
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
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
JACK DANIEL'S HARMED, BUT NOT INFRINGED, BY CHEWY DOG TOY- The latest ruling in ‘Bad Spaniels’ finds the whiskey brand’s marks were diluted-but not infringed by a dog toy parody, explain Brian Brokate and Jacqueline...more
Precedential and Key Federal Circuit Opinions - STEUBEN FOODS, INC. v. SHIBUYA HOPPMANN CORPORATION [OPINION] (2023-1790, 1/24/2025) (Moore, Hughes, Cunningham) - Moore, Chief J. The Court reversed the district...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
Precedential and Key Federal Circuit Opinions - 1. CYTIVA BIOPROCESS R&D AB v. JSR CORP. [OPINION] (2023-2074, 12/4/2024) (Prost, Taranto, Hughes) - Prost, J. The Court affirmed the PTAB’s IPR determination that...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
Addressing for the first time the issue of whether bioequivalence data and in vitro testing can show that an abbreviated new drug application (ANDA) product with different immediate and delayed release portions infringed on a...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
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
Precedential and Key Federal Circuit Opinions - NEXSTEP, INC. v. COMCAST CABLE COMMUNICATIONS, LLC [OPINION] (2022-1815, 2022-2005, 2022-2113, 10/24/2024) (Reyna, Taranto, Chen) - Chen, J. The Court affirmed the...more
The sufficiency of evidence required to support a denial of a motion for judgment as a matter of law and a motion for a new trial for infringement, willful infringement, and damages....more
Telefonaktiebolaget LM Ericsson, Ericsson AB, Ericsson, Inc. v. Lenovo (United States), Inc. et. al., Appeal No. 2024-1515 (Fed. Cir. Oct. 24, 2024) In our Case of the Week, the Federal Circuit clarified that, for an...more
In the last few weeks, the PTAB has granted institution of eight IPRs filed by Merck on Johns Hopkins patents directed to methods of treatment using pembrolizumab. The eight patents are generally directed to methods...more
United States District Judge Pamela K. Chen (E.D.N.Y.) recently granted Plaintiff Shaf International, Inc. (“Shaf”)’s motion for summary judgment of validity of U.S. Patent No. 10,433,598 (the “’598 Patent”) and Defendant...more
In Wisconsin Alumni Research Foundation v. Apple, the Federal Circuit expanded the preclusive effect of non-infringement rulings. It ruled that prior judgments of non-infringement can prevent follow-on lawsuits involving...more