News & Analysis as of

CAFC Patents Appellate Courts

Morrison & Foerster LLP

Federal Circuit Pushes Back on Prosecution Laches

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

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

Bradley Arant Boult Cummings LLP

Federal Circuit Vacates $4.7 Million Patent Infringement Verdict

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

Proskauer - The Patent Playbook

Federal Circuit Lifts § 101 Barrier on Smart Dumbbells

On August 11, 2025, the Federal Circuit reversed the District of Utah’s ruling that all but one of the claims in PowerBlock Holdings, Inc.’s U.S. Patent No. 7,578,771 were invalid under 35 U.S.C. § 101. PowerBlock Holdings,...more

Lathrop GPM

Federal Circuit Decision Highlights the Risks of Inconsistency from Provisional to Patent

Lathrop GPM on

In an August 1, 2025, precedential ruling (FMC Corporation v. Sharda USA, LLC, No. 24-2335 (Fed. Cir. Aug. 1, 2025)), the U.S. Court of Appeals for the Federal Circuit vacated a temporary restraining order granted by the U.S....more

Proskauer - The Patent Playbook

Federal Circuit Reverses $4.7M Verdict in Labcorp v. QIAGEN: Claim Scope and Doctrine of Equivalents in the Crosshairs

The Federal Circuit recently reversed a $4.7M verdict in a patent lawsuit involving two patents concerning next-generation sequencing methods—U.S. Patent Nos. 10,017,810 and 10,450,597. Both patents concern DNA preparation...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

McDermott Will & Schulte

Claim construction misstep undoes injunction

The US Court of Appeals for the Federal Circuit vacated and remanded a preliminary injunction (PI), finding that the district court improperly construed a claim term based on references cited in a provisional application but...more

Schwabe, Williamson & Wyatt PC

Latest Federal Court Cases: Qualcomm Inc. v. Apple Inc.

Qualcomm Inc. v. Apple Inc., Appeal Nos. 2023-1208, -1209 (Fed. Cir. Apr. 23, 2025) - For a second time in this case, the Federal Circuit considered the proper role of “Applicant Admitted Prior Art” in an inter partes...more

McDermott Will & Schulte

High Burden Dooms Intra-District Transfer Request

The US Court of Appeals for the Federal Circuit denied a mandamus petition requesting transfer from the Marshall division to the Sherman division within the US District Court for the Eastern District of Texas, finding that...more

A&O Shearman

Federal Circuit Clarifies Requirements For A Prior Art Reference’s Entitlement To The Filing Date Of A Provisional Application To...

A&O Shearman on

On March 24, 2025, the U.S. Court of Appeals for the Federal Circuit (“CAFC”) issued an opinion vacating and remanding a decision of the U.S. Patent Trial and Appeal Board (the “Board”) that a published patent application...more

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