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Patent Invalidated: Written Description and Enablement Requirements Sink High-Profile Cancer Drug Dispute
December 2, 2025
Seagen Inc. v. Daiichi Sankyo Co., Ltd. Authored by: Jeremy J. Gustrowsky A recent decision from the Federal Circuit has brought clarity to the requirements for written description and enablement in patent law, with significant implications for pharmaceutical and biotech…
Read MoreWho Is the Inventor When AI Is Involved? USPTO Issues New Guidance on AI-Assisted Inventions
November 28, 2025
Revised Inventorship Guidance for AI-Assisted Inventions Authored by: Jeremy J. Gustrowsky The United States Patent and Trademark Office (USPTO) recently released revised guidance clarifying how inventorship should be determined for inventions created with the help of artificial intelligence (AI). This…
Read MoreCourt Sanctions Patent Owner for Frivolous Lawsuit Against Google
November 25, 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…
Read MoreCourt Finds “Optimal” and “Best” Patent Claims Too Vague for Enforcement
November 25, 2025
Akamai Techs., Inc. v. Mediapointe, Inc. Authored by: Jeremy J. Gustrowsky A recent decision highlights the importance of clear and objective language in patent claims, especially when using terms of degree like “optimal” or “best.” In a dispute between Akamai…
Read MoreFederal Circuit Clarifies Patent Claim Construction in Railroad Car Dispute
November 19, 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 MorePatent Invalidated: Federal Circuit Reverses $39 Million Hair Loss Drug Verdict Over Written Description
November 18, 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 MoreFederal Circuit Clarifies “Transparency” in Design Patents and Limits Doctrine of Equivalents for Integrated Frames
November 13, 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 Corrects Obvious Patent Typo, Saving Claims from Indefiniteness
November 12, 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 Office’s Discretion in IPR Decisions Upheld: No Mandamus Relief for Motorola
November 6, 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 MoreWho Counts as an Inventor? Federal Circuit Clarifies “By Another” Prior Art Rule in Merck v. Hopewell
October 30, 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 MoreThe Importance of Copyright Registration: Safeguard Your Creative Works
October 29, 2025
Why should you consider registering a copyright? The benefits for the copyright holder are significant. First and foremost, registering your work creates a public record of your copyright, notifying others of its existence and protecting your rights. Additionally, if you…
Read MoreFederal Circuit Clarifies Patent Terms for Heart Valve Devices in Key Infringement Ruling
October 27, 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…
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