No Infringement for One Structure Providing Multiple Functions
March 9, 2026
MAGNOLIA MEDICAL TECHNOLOGIES, INC. v. KURIN, INC. Authored by: Jeremy J. Gustrowsky When blood is drawn from a patient, microbes on the skin can contaminate the sample, leading to false-positive test results and unnecessary treatments. Both Magnolia Medical Technologies and…
Read MoreFederal Circuit Says Damages Can Be Tied to Unaccused Products When There’s a Causal Link
March 9, 2026
EXAFER LTD v. MICROSOFT CORPORATION Authored by: Jeremy J. Gustrowsky Exafer Ltd. sued Microsoft Corporation, alleging that Microsoft’s Azure Platform infringed two of Exafer’s patents: U.S. Patent Nos. 8,325,733 and 8,971,335. These patents relate to systems and methods for optimizing…
Read MoreInventor’s “Not Sure It’s a Good Idea to Disclose” Comment Wasn’t Enough for Summary Judgment on Inequitable Conduct
February 26, 2026
GLOBAL TUBING LLC v. TENARIS COILED TUBES LLC Authored by: Jeremy J. Gustrowsky The Federal Circuit vacated summary judgment on both sides of a dispute over coiled tubing patents, finding that genuine factual disputes remained about whether an inventor deliberately…
Read MoreGenetically Engineered Host Cells Are Not “Nature’s Handiwork,” Federal Circuit Rules
February 20, 2026
REGENXBIO INC. v. SAREPTA THERAPEUTICS, INC. Authored by: Jeremy J. Gustrowsky The Federal Circuit reversed a district court decision that had invalidated claims of U.S. Patent No. 10,526,617 as patent-ineligible under 35 U.S.C. § 101. The patent, owned by REGENXBIO…
Read MorePatent Owner’s Shortcut Through a Complex Circuit Leads to Dead End on Infringement
February 19, 2026
GENUINE ENABLING TECHNOLOGY LLC v. SONY GROUP CORPORATION Authored by: Jeremy J. Gustrowsky When a patent claim uses “means-plus-function” language, it doesn’t describe a specific physical structure. Instead, it describes a *function*, and the patent’s specification fills in the blanks…
Read MoreFederal Circuit Illuminates the Line Between Expert Admissibility and Credibility in $42 Million Christmas Tree Patent Verdict
February 17, 2026
WILLIS ELECTRIC CO., LTD. v. POLYGROUP LTD. Authored by: Jeremy J. Gustrowsky The Federal Circuit affirmed a $42.5 million jury verdict in a patent dispute over pre-lit artificial Christmas trees, providing important guidance on when expert testimony on damages should…
Read MoreMagnets Bonded to Plastic Escape Trade Duties by Losing Their Flex
February 17, 2026
MAGNUM MAGNETICS CORP. v. US Authored by: Jeremy J. Gustrowsky The Federal Circuit recently affirmed that plastic shelf dividers containing magnets are not subject to antidumping and countervailing duty orders covering “raw flexible magnets” from China. The case centered on…
Read MoreGrammar Rules Win the Day in Streaming Patent Dispute
February 13, 2026
NETFLIX, INC. v. DIVX, LLC Authored by: Jeremy J. Gustrowsky The Federal Circuit recently reversed a Patent Trial and Appeal Board decision in a case involving U.S. Patent No. 10,225,588, which covers systems for streaming partially encrypted media content. The…
Read MoreNo Notice-and-Comment Required for PTO’s IPR Institution Guidelines, Federal Circuit Rules
February 13, 2026
APPLE INC. v. SQUIRES Authored by: Jeremy J. Gustrowsky When technology giants Apple, Cisco, Google, and Intel challenged the Patent and Trademark Office’s instructions for declining inter partes review (IPR) petitions, they argued the agency should have followed formal notice-and-comment…
Read MorePatent Holder Loses Antitrust Challenge After Tying Product Purchases to License Agreements
February 11, 2026
INGEVITY CORPORATION v. BASF CORPORATION Authored by: Jeremy J. Gustrowsky The Federal Circuit recently upheld a multimillion-dollar antitrust verdict against a patent holder who conditioned patent licenses on customers’ exclusive purchase of its products. The case centered on carbon honeycombs—activated…
Read MoreHappy National Inventors Day!
February 11, 2026
Today, we get to celebrate a truly special occasion—National Inventors Day! Mark your calendars, because February 11 is the day we honor the brilliance of inventors everywhere. A little history: back on January 13, 1983, President Ronald Reagan officially declared…
Read MoreStreaming Patent Claims Ruled Abstract Despite Technical-Sounding Language
February 9, 2026
GOTV STREAMING, LLC v. NETFLIX, INC. Authored by: Jeremy J. Gustrowsky The Federal Circuit handed Netflix a complete victory in a patent dispute involving technology for delivering video content to mobile devices. GoTV Streaming owned three related patents describing methods…
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