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Morrison & Foerster LLP

Federal Circuit Pushes Back on Prosecution Laches

Morrison & Foerster LLP on

In October 2023, we reported on the district court decision in Sonos, Inc. v. Google LLC. The decision was notable for reviving the prosecution laches doctrine to render unenforceable a continuation patent filed 13 years...more

Bradley Arant Boult Cummings LLP

The Federal Circuit Calls for a Replay Allowing Sonos Another Opportunity at Google

Bradley Arant Boult Cummings LLP on

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

Knobbe Martens

Deleted Specification Portions Undermine Claim Construction

Knobbe Martens on

FMC Corp. v. Sharda USA, LLC - Before Moore, Chen, and Barnett. Appeal from the Eastern District of Pennsylvania. The district court erred by construing a claim term based on disclosures made in a provisional application and...more

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