Federal Circuit IP Digest
Federal Circuit Sides with Competitors, Invalidating Key Brita Water Filter Patent Claims
December 2, 2025
Brita LP v. Int’l Trade Comm’n Authored by: Jeremy J. Gustrowsky In a recent decision, the U.S. Court of Appeals for the Federal Circuit upheld a ruling from the International Trade Commission (ITC) that struck down several claims in Brita…
Read MoreFederal Circuit Confirms Power-Saving Patent Claims Are Obvious, Sidestepping Ownership Drama
December 2, 2025
Causam Enters. v. Ecobee Techs. ULC Authored by: Jeremy J. Gustrowsky In a recent decision, the U.S. Court of Appeals for the Federal Circuit upheld a ruling that key claims in a patent for managing electricity use on power grids…
Read MorePatent Ownership Win for Causam, But Appeal Dismissed as Moot in ITC Smart Thermostat Dispute
December 2, 2025
Causam Enters. v. Int’l Trade Comm’n Authored by: Jeremy J. Gustrowsky Causam Enterprises, a company specializing in energy management technology, took its patents on “demand response” systems—tools that help utilities manage power usage during peak times—to the International Trade Commission…
Read MoreFederal Circuit Clarifies Patent Terms for Heart Valve Devices in Key Infringement Ruling
December 2, 2025
Aortic Innovations LLC v. Edwards Lifesciences Corp Authored by: Jeremy J. Gustrowsky In a recent decision, the U.S. Court of Appeals for the Federal Circuit addressed a patent dispute between Aortic Innovations LLC and Edwards Lifesciences over innovative devices used…
Read MorePatent Board Must Consider Evidence of Copying, Says Federal Circuit in Centripetal v. Palo Alto Networks
December 2, 2025
Centripetal Networks, LLC v. Palo Alto Networks, Inc Authored by: Jeremy J. Gustrowsky In a recent decision, the Federal Circuit vacated a Patent Trial and Appeal Board (PTAB) ruling in the dispute between Centripetal Networks, LLC and Palo Alto Networks,…
Read MoreWho Counts as an Inventor? Federal Circuit Clarifies “By Another” Prior Art Rule in Merck v. Hopewell
December 2, 2025
Merck Serono S.A. v. Hopewell Pharma Ventures, Inc Authored by: Jeremy J. Gustrowsky The Federal Circuit recently clarified when a prior publication counts as “prior art” against a patent with overlapping inventors. In Merck Serono S.A. v. Hopewell Pharma Ventures,…
Read MoreFederal Circuit Corrects Obvious Patent Typo, Saving Claims from Indefiniteness
December 2, 2025
Canatex Completion Sols., Inc. v. Wellmatics, LLC Authored by: Jeremy J. Gustrowsky In a recent patent dispute in the oil and gas industry, the Federal Circuit stepped in to fix a clear drafting mistake in a patent claim, overturning a…
Read MorePatent Invalidated: Federal Circuit Reverses $39 Million Hair Loss Drug Verdict Over Written Description
December 2, 2025
Duke Univ. v. Sandoz Inc Authored by: Jeremy J. Gustrowsky In a major decision for pharmaceutical patents, the Federal Circuit reversed a $39 million jury verdict in favor of Duke University and Allergan Sales, LLC, finding that claim 30 of…
Read MorePatent Office’s Discretion in IPR Decisions Upheld: No Mandamus Relief for Motorola
December 2, 2025
In re Motorola Sols., Inc Authored by: Jeremy J. Gustrowsky In a recent decision, the Federal Circuit denied Motorola Solutions, Inc.’s attempt to overturn the Patent Office’s (USPTO) decision to end several inter partes review (IPR) proceedings involving patents challenged…
Read MoreFederal Circuit Clarifies “Transparency” in Design Patents and Limits Doctrine of Equivalents for Integrated Frames
December 2, 2025
Smartrend Mfg. Grp. (SMG), Inc. v. Opti-Luxx Inc Authored by: Jeremy J. Gustrowsky In a recent decision, the Federal Circuit addressed important issues of claim construction and patent infringement in Smartrend Mfg. Grp. (SMG), Inc. v. Opti-Luxx Inc. The case…
Read MoreFederal Circuit Clarifies Patent Claim Construction in Railroad Car Dispute
December 2, 2025
Nat’l Steel Car Ltd. v. Greenbrier-Concarril LLC Authored by: Jeremy J. Gustrowsky In a recent decision, the Federal Circuit affirmed a district court’s ruling that Greenbrier-Concarril LLC did not infringe two patents owned by National Steel Car Ltd. (NSC) related…
Read MoreCourt Sanctions Patent Owner for Frivolous Lawsuit Against Google
December 2, 2025
EscapeX IP, LLC v. Google LLC Authored by: Jeremy J. Gustrowsky A recent decision highlights the risks for patent owners who file lawsuits without a solid basis. EscapeX IP, LLC brought a patent infringement suit against Google, claiming that Google’s…
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