The Technology & Information Law Blog

Analysis by Charles Gideon Korrell

  • FMC Corporation v. Sharda USA, LLC: When Deleting Words Deletes Claim Scope

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    The Federal Circuit’s August 1, 2025 decision in FMC Corporation v. Sharda USA, LLC offers a sharp reminder that patent drafting choices—especially between provisional and non-provisional applications—have consequences that courts will enforce. The panel vacated a preliminary injunction after concluding that the district court impermissibly narrowed claim scope by importing a “stability” limitation that appeared…

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  • Epic Games, Inc. v. Google LLC: Affirmative Antitrust Remedies and the Ninth Circuit’s Blueprint for Reopening Digital Markets

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    The Ninth Circuit’s July 31, 2025 decision in Epic Games, Inc. v. Google LLC marks one of the most consequential appellate rulings on antitrust remedies in the modern platform economy. Affirming both a unanimous jury verdict and an unusually muscular permanent injunction, the court endorsed a remedial approach that goes well beyond telling a monopolist…

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  • Jilin Forest Industry Jinqiao Flooring Group Co. v. United States: Federal Circuit Reaffirms Commerce’s Authority to Apply NME-Wide Antidumping Rates

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    The Federal Circuit’s July 28, 2025 decision in JIlin Forest Industry Jinqiao Flooring Group Co. v. United States, No. 2023-2245, arrives at a pivotal moment in U.S.–China trade relations. In a ruling that will cheer aggressive trade enforcers and cause heartburn for Chinese exporters, the court reversed the Court of International Trade (CIT) and restored…

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  • Jiaxing Super Lighting v. CH Lighting: EcoFactor’s Shadow Over Damages Testimony Grows

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    The Federal Circuit’s decision in Jiaxing Super Lighting Electric Appliance Co. v. CH Lighting Technology Co., No. 23-1715 (Fed. Cir. July 28, 2025) serves up a triple helping of reversible error: (1) improper exclusion of key on-sale bar evidence, (2) a reaffirmed jury verdict on validity and infringement of a shock-prevention patent, and (3) a…

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  • Acorda v. Alkermes: When Alternative Theories Shut the Federal Circuit Door

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    The Federal Circuit’s July 2025 decision in Acorda Therapeutics, Inc. v. Alkermes PLC, No. 2023-2374 (Fed. Cir. July 25, 2025), is the latest reminder that most “non-patent patent cases” will not make it past the courthouse steps on Madison Place. The court held that it lacked jurisdiction to review Acorda’s challenge to an international arbitration…

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  • Sunkist v. Intrastate Distributors: When “Kissed” Isn’t Enough to Avoid Confusion

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    The Federal Circuit’s July 23, 2025 decision in Sunkist Growers, Inc. v. Intrastate Distributors, Inc., No. 24-1212, offers a crisp reminder that the TTAB cannot lean too heavily on isolated snippets of marketing material to infer the “commercial impression” of a trademark. In reversing the Board’s dismissal of Sunkist’s opposition to the KIST word mark…

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  • IGT v. Zynga: Institution Unreviewability Swallows Interference Estoppel (and Obviousness Stands)

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    The Federal Circuit’s decision in IGT v. Zynga Inc. delivers a one-two punch that will resonate in AIA practice: (1) the court affirmed the PTAB’s obviousness ruling; and (2) it refused to review the agency’s decision not to apply interference estoppel at institution. Read together, the opinion underscores just how muscular § 314(d)’s unreviewability has…

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  • Colibri Heart Valve LLC v. Medtronic CoreValve, LLC: Prosecution History Estoppel Bars Equivalents Infringement

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    In its July 18, 2025 opinion in Colibri Heart Valve LLC v. Medtronic CoreValve, LLC, the Federal Circuit reversed a $106 million jury verdict in favor of Colibri, holding that Colibri’s infringement theory under the doctrine of equivalents was barred by prosecution history estoppel. The case centered on a now-expired patent for a method of…

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  • Top Brand LLC v. Cozy Comfort Company LLC: Federal Circuit Reverses $18.5M Infringement Verdict Based on Design Patent Disclaimer and Weak Trademark Use

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    In a significant ruling that underscores the Federal Circuit’s evolving approach to design patent claim scope and the evidentiary burden in trademark cases, the court in Top Brand LLC v. Cozy Comfort Company LLC, No. 24-2191 (Fed. Cir. July 17, 2025), reversed a jury’s $18.5 million verdict for design patent and trademark infringement. Charles Gideon…

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  • Shockwave Medical v. Cardiovascular Systems: Federal Circuit Clarifies Use of AAPA and Reverses PTAB on Claim 5

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    In a significant decision issued on July 14, 2025, the Federal Circuit in Shockwave Medical, Inc. v. Cardiovascular Systems, Inc., Nos. 2023-1864, 2023-1940, affirmed the Patent Trial and Appeal Board’s finding that most of the claims of U.S. Patent No. 8,956,371 were unpatentable as obvious—but reversed the Board’s lone finding of non-obviousness, holding that claim…

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