News & Analysis as of

Intellectual Property Litigation Claim Construction Appellate Courts

WilmerHale

Federal Circuit Patent Watch: District Court Errs by Turning a Matter of Claim Construction over to the Jury to Decide and by...

WilmerHale on

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

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

Rothwell, Figg, Ernst & Manbeck, P.C.

Product-by-Process Analysis: Invalidity ≠ Infringement

On March 4, 2025, the Federal Circuit affirmed the Patent Trial and Appeal Board’s (“PTAB”) decision in Restem, LLC v. Jadi Cell, LLC, No. 23-2054, 2025 WL 679195, at *1 (Fed. Cir. Mar. 4, 2025), finding that the patent...more

Sterne, Kessler, Goldstein & Fox P.L.L.C.

2024 Federal Circuit IP Appeals: Summaries of Key 2024 Decisions

2024 brought exciting developments at the Federal Circuit. The court issued its first en banc decision in a patent case in five years in LKQ, which significantly altered the standard for proving obviousness of a design...more

Knobbe Martens

A Patent Must Describe What Is Claimed, Not What Infringes

Knobbe Martens on

Before Lourie, Prost, and Reyna. Appeal from the U.S. District Court for the District of Delaware. Summary: A patent was not invalid for lack of written description for failing to describe the specific infringing embodiment...more

Sterne, Kessler, Goldstein & Fox P.L.L.C.

[Webinar] Federal Circuit IP Appeals: Summaries of Key 2023 Decisions - January 23rd, 1:00 pm - 2:00 pm EST

Directors Michael Joffre, Ph.D., William H. Milliken, Anna G. Phillips, and Richard A. Crudo will present the webinar "Federal Circuit IP Appeals: Summaries of Key 2023 Decisions" on Tuesday, January 23, 2024, at 1:00 p.m....more

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