Federal Circuit IP Digest
Who Really Invented CRISPR for Eukaryotic Cells? Federal Circuit Weighs In
December 2, 2025
Regents of the Univ. of Cal. v. Broad. Inst., Inc Authored by: Jeremy J. Gustrowsky The long-running patent dispute over who first invented the CRISPR-Cas9 gene-editing technology for use in eukaryotic cells—those found in plants, animals, and humans—took another turn…
Read MoreStem Cell Patent Survives Challenge Over Prior Art and Claim Construction
December 2, 2025
Restem, LLC v. Jadi Cell, LLC Authored by: Jeremy J. Gustrowsky In a recent decision, the Federal Circuit affirmed the validity of Jadi Cell, LLC’s U.S. Patent No. 9,803,176, which covers a method for obtaining stem cells from the subepithelial…
Read MoreUK “Sterile” Label Sinks US Patent Claims: Sage Products Loses Appeal Over Chlorhexidine Patent
December 2, 2025
Sage Prods., LLC v. Stewart Authored by: Jeremy J. Gustrowsky In a recent decision, the Federal Circuit affirmed the invalidation of two patents owned by Sage Products, LLC, relating to sterilized chlorhexidine products used for skin disinfection. The patents in…
Read MorePatent Board’s Ruling Vacated Over Expert Qualifications and Claim Interpretation in Sierra Wireless v. Sisvel
December 2, 2025
Sierra Wireless v. Sisvel S.P.A Authored by: Jeremy J. Gustrowsky In a recent decision, the Federal Circuit vacated a Patent Trial and Appeal Board (PTAB) ruling that had found several claims of U.S. Patent No. 7,869,396 unpatentable. The patent, owned…
Read MoreFederal Circuit Clarifies Patent Claim Scope in X-Ray Imaging Dispute
December 2, 2025
Sigray, Inc. v. Carl Zeiss X-Ray Microscopy, Inc Authored by: Jeremy J. Gustrowsky In a recent decision, the Federal Circuit addressed the proper interpretation of patent claims relating to X-ray imaging technology, specifically focusing on U.S. Patent No. 7,400,704, owned…
Read MoreExpert Testimony Missteps Lead to New Trial in Medical Device Patent Dispute
December 2, 2025
Trudell Med. Int’l Inc. v. D R Burton Healthcare, LLC Authored by: Jeremy J. Gustrowsky In a recent decision, the Federal Circuit ordered a new trial in the patent dispute between Trudell Medical International Inc. and D R Burton Healthcare,…
Read MorePatent Eligibility for Polycrystalline Diamond Compacts Upheld in Federal Circuit Decision
December 2, 2025
\US Synthetic Corp. v. ITC Authored by: Jeremy J. Gustrowsky In a significant decision for the materials science and drilling industries, the Federal Circuit has reversed a prior ruling by the International Trade Commission (ITC) and found that US Synthetic…
Read MoreFederal Circuit Clarifies Limits on Patent Damages for Convoyed Sales in Car Wash System Dispute
December 2, 2025
Wash World Inc. v. Belanger Inc Authored by: Jeremy J. Gustrowsky In a recent decision, the Federal Circuit addressed important issues about patent claim construction and damages in the case of Wash World Inc. v. Belanger Inc., involving a patented…
Read MorePlant-Based Albumin Patent Survives Import Challenge at the ITC
December 2, 2025
Wuhan Healthgen Biotechnology Corp. v. Int’l Trade Comm’n Authored by: Jeremy J. Gustrowsky In a recent decision, the Federal Circuit affirmed the International Trade Commission’s (ITC) finding that Wuhan Healthgen Biotechnology Corp. infringed Ventria Bioscience Inc.’s U.S. Patent No. 10,618,951,…
Read MorePatent Owners Must Show Investments Tied to Each Patent to Succeed at the ITC
December 2, 2025
Zircon Corp. v. Int’l Trade Comm’n Authored by: Jeremy J. Gustrowsky A recent decision highlights the importance of how patent owners present evidence when seeking relief at the International Trade Commission (ITC). In a dispute over electronic stud finders, Zircon…
Read MoreOperating Manuals Can Be Prior Art: Federal Circuit Clarifies Public Accessibility Standard
December 2, 2025
Weber, Inc. v. Provisur Techs., Inc Authored by: Jeremy J. Gustrowsky In a significant decision for patent law, the Federal Circuit has clarified when company operating manuals can count as “printed publications” that qualify as prior art against patents. The…
Read MoreWhen “Known” Isn’t Enough: Federal Circuit Clarifies Motivation to Combine in Patent Obviousness
December 2, 2025
Virtek Vision Int’l ULC v. Assembly Guidance Sys Authored by: Jeremy J. Gustrowsky A recent Federal Circuit decision highlights a key principle in patent law: just because two technical approaches are “known” doesn’t mean it’s obvious to combine them. The…
Read More