Federal Circuit Clarifies Patent Scope and Trade Dress in Shower Curtain IP Dispute

Focus Prods. Grp. Int’l, LLC v. Kartri Sales Co(2) Authored by: Jeremy J. Gustrowsky The Federal Circuit’s September 30, 2025 decision in Focus Products Group International, LLC v. Kartri Sales Co. provides important guidance on patent claim interpretation, trademark standing,…

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Patent Owner’s Silence Not Enough: Federal Circuit Revives Fraunhofer’s Patent Suit Against Sirius XM

Fraunhofer-Gesellschaft Zur F_rderung Der Angewandten Forschung E.V. v. Sirius XM Radio Inc Authored by: Jeremy J. Gustrowsky In a recent decision, the Federal Circuit reversed a district court’s ruling that had blocked Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung E.V. from…

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Dismissal With Prejudice Makes Defendant a “Prevailing Party” for Patent Attorney Fees

Future Link Sys., LLC v. Realtek Semiconductor Corp Authored by: Jeremy J. Gustrowsky In Future Link Systems, LLC v. Realtek Semiconductor Corp., the Federal Circuit clarified when a defendant can be considered a “prevailing party” entitled to attorney fees and…

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Who Really Invented the Ointment? Federal Circuit Clarifies AIA Derivation Proceedings in Global Health Solutions v. Selner

Glob. Health Sols. LLC v. Selner Authored by: Jeremy J. Gustrowsky In a significant decision for patent law, the Federal Circuit in Global Health Solutions LLC v. Selner (148 F.4th 1363, decided August 26, 2025) clarified how derivation proceedings work…

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Federal Circuit Affirms Prosecution Laches Defense Against Hyatt’s Decades-Old Patent Applications

Hyatt v. Stewart Authored by: Jeremy J. Gustrowsky In the long-running legal saga of inventor Gilbert P. Hyatt, the Federal Circuit has once again sided with the U.S. Patent and Trademark Office (USPTO), affirming that prosecution laches—a defense based on…

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Federal Circuit Clarifies Limits of Interference Estoppel in Patent Reviews: IGT v. Zynga

IGT v. Zynga Inc Authored by: Jeremy J. Gustrowsky In a significant decision for patent litigation and the gaming industry, the Federal Circuit affirmed the unpatentability of several claims in IGT’s U.S. Patent No. 7,168,089, which covers secure software transfers…

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Federal Circuit Upholds Janssen’s Invega Sustenna Patent Against Obviousness Challenge

Janssen Pharms., Inc. v. Teva Pharms. USA, Inc Authored by: Jeremy J. Gustrowsky In a significant decision for pharmaceutical patent holders, the Federal Circuit has affirmed the validity of Janssen Pharmaceuticals’ U.S. Patent No. 9,439,906, which covers specific dosing regimens…

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Federal Circuit Orders New Trial on LED Tube Lamp Patents After Exclusion of Key Evidence

Jiaxing Super Lighting Elec. Appliance, Co., v. CH Lighting Tech. Co Authored by: Jeremy J. Justrowsky In a significant patent dispute over LED tube lamp technology, the Federal Circuit has sent the case of Jiaxing Super Lighting Electric Appliance Co.,…

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IPR Decisions Don’t Always Block Patent Claims in Court, Says Federal Circuit

Kroy IP Holdings, LLC v. Groupon, Inc Authored by: Jeremy J. Gustrowsky In the recent case of Kroy IP Holdings, LLC v. Groupon, Inc., the Federal Circuit addressed a key question in patent law: Does a decision by the Patent…

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Federal Circuit Reverses $4.7 Million DNA Patent Verdict, Clarifies “Identical” in Patent Claims

Lab’y Corp. of Am. Holdings v. Qiagen Sciences, LLC Authored by: Jeremy J. Gustrowsky In a significant decision for the biotech and patent law communities, the Federal Circuit has reversed a $4.7 million jury verdict against Qiagen Sciences, LLC, finding…

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Jury Verdict Overturned After “Bait-and-Switch” Trial Tactics in Marine Fuel Patent Case

Mag_m_ Tech. LLC v. Phillips 66 Authored by: Jeremy J. Gustrowsky In a recent decision, the Federal Circuit reversed a jury verdict in favor of Phillips 66 in a patent dispute with Magēmā Technology LLC over technology for producing low-sulfur…

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Federal Circuit Strikes Down Mondis Patent for Lack of Written Description

Mondis Tech. Ltd. v. LG Elecs. Inc Authored by: Jeremy J. Gustrowsky In a significant decision for patent law, the Federal Circuit Court of Appeals reversed a $14.3 million damages award against LG Electronics, holding that key claims of U.S.…

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