Tag: Patents
Federal Circuit Reverses Exclusion of Expert Testimony in Spinal Surgery Patent Dispute
January 20, 2026
BARRY v. DEPUY SYNTHES COMPANIES Authored by: Jeremy J. Gustrowsky A recent Federal Circuit decision has significant implications for how courts handle expert testimony in patent cases, especially when it comes to claim construction and survey evidence. The case revolved…
Read MoreFederal Circuit Upholds PTAB Rulings on MIT and EBS Engine Patents
December 23, 2025
ETHANOL BOOSTING SYSTEMS, LLC v. FORD MOTOR COMPANY Authored by: Jeremy J. Gustrowsky The Federal Circuit recently affirmed three Patent Trial and Appeal Board (PTAB) decisions that found several engine-related patents owned by the Massachusetts Institute of Technology (MIT) and…
Read MoreFederal Circuit Clarifies Patent Infringement and Injunction Standards in Child Car Seat Dispute
December 17, 2025
Wonderland Switzerland AG v. Evenflo Company, Inc. Authored by: Jeremy J. Gustrowsky A recent Federal Circuit decision offers important guidance on patent infringement, claim construction, and the standards for granting injunctions in patent cases. The dispute involved Wonderland Switzerland AG…
Read MoreSingle Sign-On Patent Faces Mixed Results in Tech Showdown
December 9, 2025
IBM v. Zillow Grp., Inc. Authored by: Jeremy J. Gustrowsky A recent decision from the Federal Circuit highlights the complexities of patent challenges in the world of digital authentication. The case revolved around U.S. Patent No. 7,631,346, owned by International…
Read MoreCourt Revives Patent Dispute Over Facebook Lead Ads and Targeted Advertising
December 5, 2025
Adnexus Inc. v. Meta Platforms, Inc Authored by: Jeremy J. Gustrowsky A recent Federal Circuit decision has breathed new life into a patent dispute between Adnexus Inc. and Meta Platforms, Inc. (the parent company of Facebook), focusing on the technology…
Read MorePatent 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 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 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,…
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