Tag: willfulness
-
Wonderland v. Evenflo: Federal Circuit Reassesses Infringement, Injunction, and Willfulness
The Federal Circuit’s decision in Wonderland Switzerland AG v. Evenflo Company, Inc. (Dec. 17, 2025) delivers a sweeping reset across several familiar but frequently contested areas of patent law: doctrine of equivalents limits, claim construction discipline, permanent injunction standards, and the evidentiary threshold for willfulness. The court affirmed much of the jury’s infringement verdict, but…
-
Focus Prods v. Kartri Sales: When Restriction Practice Becomes Prosecution History Disclaimer
The Federal Circuit’s decision in Focus Products Group International, LLC v. Kartri Sales Co., Inc. delivers a wide-ranging opinion that touches nearly every corner of intellectual property litigation: venue after TC Heartland, prosecution history disclaimer, multi-defendant appellate waiver, trademark standing, trade dress functionality, willfulness, and fee shifting. But at its core, the case stands as…
-
Laboratory Corp. of America Holdings v. Qiagen Sciences, LLC: When “Identical” Means Identical—and the Doctrine of Equivalents Is Not a Jury Mulligan
The Federal Circuit’s decision in Laboratory Corp. of America Holdings v. Qiagen Sciences, LLC, No. 23-2350 (Fed. Cir. Aug. 13, 2025), offers a sharp reminder that not every jury verdict survives appellate scrutiny, particularly where infringement theories stretch claim language or rely on generalized expert testimony. In a sweeping reversal, the court vacated a Delaware…
-
Federal Circuit Rules on Key Patent Infringement and Damages Issues in Provisur v. Weber
The Federal Circuit recently issued a significant ruling in Provisur Technologies, Inc. v. Weber, Inc., addressing key issues in patent infringement, willfulness, and damages. The case involved Provisur’s patents covering food-processing machinery and Weber’s alleged infringement of those patents. The court’s decision clarifies several critical aspects of patent law, particularly in the areas of infringement…