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The Federal Circuit’s recent decision in Google LLC v. Sonos, Inc. (24-1097) offers a compelling look at the evolving doctrine of prosecution laches, the written description requirement, and the practical realities of patent...more
The US Court of Appeals for the Federal Circuit reversed a district court’s decision upholding patent validity, finding that the subject patent’s specification clearly established that the written description failed to...more
Mondis Technology Ltd., et al. v. LG Electronics Inc., et al., Nos. 2023-2117, -2116 (Fed. Cir. (D.N.J.) Aug. 8, 2025). Opinion by Hughes, joined by Taranto and Clevenger....more
In a decision that should make every patent litigator pause before filing for preliminary relief, the Federal Circuit has vacated a preliminary injunction in FMC Corp. v. Sharda USA, LLC, No. 2024-2335 after finding that the...more
Jiaxing Super Lighting Electric Appliance, Co. Ltd. v. CH Lighting Technology Co., Ltd., Appeal No. 2023-1715 (Fed. Cir. July 28, 2025) In our Case of the Week, the Federal Circuit addressed three issues arising from a...more
In its recent decision in Ingenico Inc. v. IOENGINE, LLC, the Federal Circuit affirmed the district court’s decision to allow Ingenico to introduce certain prior art at trial, finding that inter partes review (IPR) estoppel...more
The legal landscape quaked, and clients and counsel continue to navigate the tremors. More than 40 years of precedent was upended in May 2024 when a federal circuit court struck down the Rosen-Durling test for assessing...more
Since serving as a Federal Circuit clerk, Michael Hawes has monitored that court's precedential opinions and prepares a deeply outlined index by subject matter (invalidity, infringement, claim construction, etc.) of relevant...more
As we predicted in our 2023 report, 2024 was a banner year for design rights in the U.S. and elsewhere. In last year’s report, we noted that the U.S. Court of Appeals for the Federal Circuit (CAFC) agreed to consider en banc...more