EPO Oppositions

Track EPO patent oppositions in real-time. Monitor which companies are filing challenges, identify patents under dispute, and analyze opposition trends across industries.

Recent patent oppositions filed at the EPO, providing crucial intelligence for R&D strategies, competitive analysis, and litigation planning. The data is updated on a weekly basis to ensure you have access to the most current information.

Last updated on: Feb 12, 2026
Patent NumberTitleApplicantOpposition DateOpposition Name

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Rna-Guided Human Genome EngineeringPRESIDENT AND FELLOWS OF HARVARD COLLEGEJan 30, 2026SCHLICH
+ 1 more opposition
Formulations Of (+)-2-[1-(3-Ethoxy-4-Methoxy-Phenyl)-2-Methanesulfonyl-Ethyl]-4-Acetyl Aminoisoindoline-1,3-DioneAMGEN EUROPEJan 12, 2026BRAND MURRAY FULLER
+ 4 more oppositions
Manufacture Of A Crystalline Pharmaceutical ProductORIONJan 9, 2026ADALVO
+ 5 more oppositions
Manufacture Of A Crystalline Pharmaceutical ProductORIONJan 9, 2026DR SCHON
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Manufacture Of A Crystalline Pharmaceutical ProductORIONJan 9, 2026STOLMAR MATTHIAS
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Aerosol-Generating Article And Electrically Operated System Incorporating A TaggantPHILIP MORRIS PRODUCTS SACHJan 9, 2026JAPAN TOBACCO
+ 1 more opposition
Electrically Peelable Adhesive Composition, Adhesive Sheet, And Joined BodyNITTO DENKOJan 9, 2026M INNOVATIVE PROPERTIES
+ 2 more oppositions
InhalerNICOVENTURESJan 8, 2026PHILIP MORRIS
Induction Heating Assembly For A Vapour Generating DeviceJAPAN TOBACCOJan 8, 2026PHILIP MORRIS
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Manufacture Of A Crystalline Pharmaceutical ProductORIONJan 8, 2026HAMM & WITTKOPP
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Manufacture Of A Crystalline Pharmaceutical ProductORIONJan 8, 2026HAMPTON KNOWLES
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Manufacture Of A Crystalline Pharmaceutical ProductORIONJan 8, 2026KRAUS & LEDERER PARTGMBB
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Aerosol-Generating Article And Electrically Operated System Incorporating A TaggantPHILIP MORRIS PRODUCTSJan 8, 2026NICOVENTURES
+ 1 more opposition
Electrically Peelable Adhesive Composition, Adhesive Sheet, And Joined BodyNITTO DENKOJan 8, 2026HENKEL
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Electrically Peelable Adhesive Composition, Adhesive Sheet, And Joined BodyNITTO DENKOJan 8, 2026TESA
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Automatic Priming And Rinsing Of An Extracorporeal Blood Treatment ApparatusB BRAUN AVITUMJan 7, 2026FRESENIUS MEDICAL CARE
Method For Controlling The Determination Of A Speed Of A BicycleROBERT BOSCHJan 7, 2026TLI ELEKTRONIK
Heat Exchanger Comprising A Gyroid Heat Exchanger BodyNEXSON INDUSTRYJan 7, 2026ALFA LAVAL CORPORATE
Targeting Chromatin Regulators Inhibits Leukemogenic Gene Expression Innpm1MEMORIAL SLOAN KETTERING CANCER CENTERJan 7, 2026STRAWMAN
Debris Removal From High Aspect StructuresBRUKER NANOJan 7, 2026CARL ZEISS