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IP Verse

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.

Latest Patent Oppositions

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: Jan 15, 2026
Patent NumberTitleApplicantOpposition DateOpposition Name

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EP4150152
Oil Resistant ArticleSWM LUXEMBOURGJan 2, 2026DELFORTGROUP
+ 1 more opposition
EP3756650
Formulations Of (+)-2-[1-(3-Ethoxy-4-Methoxy-Phenyl)-2-Methanesulfonyl-Ethyl]-4-Acetyl Aminoisoindoline-1,3-DioneAMGEN EUROPEDec 19, 2025HAMM & WITTKOPP
+ 3 more oppositions
EP3973764
Agricultural Machine With Nir Sensor And Data Processing SystemCLAAS SELBSTFAHRENDE ERNTEMASCHINENDec 17, 2025CARL ZEISS
+ 1 more opposition
EP4267864
Double-Layer Brake Disc In Nickel-Free Steel And Manufacturing MethodBREMBODec 12, 2025C4 LASER TECHNOLOGY
+ 4 more oppositions
EP4267864
Double-Layer Brake Disc In Nickel-Free Steel And Manufacturing MethodBREMBODec 12, 2025SCHWABISCHE HUTTENWERKE AUTOMOTIVE
+ 4 more oppositions
EP4267864
Double-Layer Brake Disc In Nickel-Free Steel And Manufacturing MethodBREMBODec 12, 2025VOLKSWAGEN AUDI
+ 4 more oppositions
EP4209331
Biaxially Oriented Polyethylene Sheets For Thermoforming, Process For Their Manufacture, Their Use, A Thermoforming Process And Products ThereofBRCKNER MASCHINENBAUDec 12, 2025JFE INNOVATION CENTER
+ 1 more opposition
EP4430010
Kiln And Method For Burning Carbonate RockTHYSSENKRUPPDec 11, 2025LHOIST RECHERCHE ET DEVELOPPEMENT
EP4316790
Vulcanizing EquipmentHIMILE MECHANICAL SCIENCE AND TECHNOLOGY SHANDONGDec 11, 2025COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN
EP4267864
Double-Layer Brake Disc In Nickel-Free Steel And Manufacturing MethodBREMBODec 11, 2025FRITZ WINTER EISENGIESSEREI
+ 4 more oppositions
EP4150152
Oil Resistant ArticleSWM LUXEMBOURGDec 11, 2025BILLERUD AKTIEBOLAG PUBL
+ 1 more opposition
EP4023154
Post Ablation Validation Via Visual SignalBIOSENSE WEBSTER ISRAELDec 11, 2025MEDTRONIC
EP3967904
A Method And A System For Monitoring Wear Of A Synchromesh DeviceCNH INDUSTRIAL ITALIADec 11, 2025ZF FRIEDRICHSHAFEN
EP3914770
Heat-Sealable PaperboardSTORA ENSO OYJDec 11, 2025BILLERUD AKTIEBOLAG PUBL
EP3817401
Hearing DeviceGN HEARINGDec 11, 2025OTICON
EP2913304
Device For Processing WaterBWTDec 11, 2025BRITA
EP4209331
Biaxially Oriented Polyethylene Sheets For Thermoforming, Process For Their Manufacture, Their Use, A Thermoforming Process And Products ThereofBRCKNER MASCHINENBAUDec 10, 2025SABIC SABIC PETROCHEMICALS
+ 1 more opposition
EP4115842
Illumination AssemblyKARL LEIBINGER ASSET MANAGEMENTDec 10, 2025KARL STORZ
EP4082736
Method For 3D Printing Of Mineral Binder CompositionsSIKA TECHNOLOGYDec 10, 2025KNAUF INSULATION
EP3486650
Method For Determining The Effectiveness Of Removal Of Viruses In A Purification Process.KWR WATERDec 10, 2025SARTORIUS STEDIM BIOOUTSOURCE