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Patent Oppositions at the European Patent Office (EPO)

Below chart show the patent oppositions filing trends at the EPO in the last 10 months. The data is updated weekly and includes the number of oppositions filed by companies against the patents.

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: Sep 11, 2025
Patent NumberTitleApplicantOpposition DateOpposition Name

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Use Of Long-Acting Glp-1 PeptidesNOVO NORDISKAug 27, 2025DR REDDYS LABORATORIES
+ 3 more oppositions
Nir Sensor Calibration MethodCLAAS SELBSTFAHRENDE ERNTEMASCHINENAug 12, 2025CARL ZEISS
+ 1 more opposition
Use Of Long-Acting Glp-1 PeptidesNOVO NORDISKAug 10, 2025ADALVO
+ 3 more oppositions
Method For Controlling An Electric Generator Of A Wind TurbineWOBBEN PROPERTIESAug 7, 2025SIEMENS GAMESA RENEWABLE ENERGY DEUTSCHLAND
Use Of Long-Acting Glp-1 PeptidesNOVO NORDISKAug 7, 2025GENERICS UK
+ 3 more oppositions
Aerosol Generating MaterialNICOVENTURESAug 6, 2025PHILIP MORRIS
Novel Cholesterol-Enriched Milk Lipid Composition Suitable For Infant Nutrition, Method Of Production, And Nutritional Compositions Comprising The Milk Lipid CompositionARLA FOODS AMBAAug 6, 2025NUTRICIA
Reusable Moisture-Regulating Textile SheetMEDICAL SYSTEM PROTECTAug 6, 2025IMPETUS PORTUGAL TEXTEIS
Agents For An Oxidative Color Change Of Keratin Fibers With Complexing Agent And Amino Acid And/Or Protein HydrolysateHENKELAug 6, 2025WELLA GERMANY
Cartomizer For An Aerosol Generating Device With Leakage PreventionJAPAN TOBACCOAug 6, 2025PHILIP MORRIS
+ 1 more opposition
Cleaning Device For A Submerged SurfaceAQUA ROBOTICSAug 6, 2025READ
Apparatus For Signal Exchange Between Controller And Field DevicesPHOENIX CONTACTAug 6, 2025PEPPERLFUCHS
Heat-Not-Burn Tobacco Product And Electrically Heated Tobacco ProductJAPAN TOBACCOAug 6, 2025NICOVENTURES
Hearing DeviceSONOVAAug 6, 2025OTICON
Aerosol-Generating Device Having Capacitance Based Power ControlPHILIP MORRISAug 6, 2025JAPAN TOBACCO
+ 1 more opposition
Authentication Body, Authentication Body Manufacturing Method, Authentication Body Reading Method, And Authentication Body Verification MethodTOPPAN PRINTINGAug 6, 2025BUNDESDRUCKEREI
Aqueous Inks For Manufacturing Decorative PanelsAGFAAug 6, 2025STAEDTLER
+ 1 more opposition
Use Of Long-Acting Glp-1 PeptidesNOVO NORDISKAug 6, 2025WUESTHOFF & WUESTHOFF
+ 3 more oppositions
A System And Method For Providing Redundant Electric PowerKNORR BREMSE SYSTEME FR NUTZFAHRZEUGEAug 6, 2025ZF CV SYSTEMS
Compositions And Methods For Quantifying A Nucleic Acid Sequence In A SampleENVIROLOGIXAug 6, 2025JAMES POOLE