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.
| Patent Number | Title | Applicant | Opposition Date | Opposition Name |
|---|---|---|---|---|
Get alerts for new patent oppositions | ||||
| A Crankcase Ventilation System | GRIMALDI | Jan 2, 2026 | MANN HUMMEL + 3 more oppositions | |
| A Crankcase Ventilation System | GRIMALDI | Jan 2, 2026 | MERCEDES BENZ GROUP + 3 more oppositions | |
| Oil Resistant Article | SWM LUXEMBOURG | Jan 2, 2026 | DELFORTGROUP + 1 more opposition | |
| Chimeric Antigen Receptors Targeting B-Cell Maturation Antigen | THE UNITED STATES OF AMERICA | Dec 31, 2025 | BOULT WADE TENNANT | |
| Aerosol Generating Device And Operation Method Thereof | KT&G | Dec 30, 2025 | JAPAN TOBACCO + 1 more opposition | |
| Device For Manipulating An Object, Method For Filling An Object, And Corresponding Use | TT INNOVATION | Dec 19, 2025 | BOSCH REXROTH + 1 more opposition | |
| Agricultural Machine With Nir Sensor And Data Processing System | CLAAS SELBSTFAHRENDE ERNTEMASCHINEN | Dec 19, 2025 | DINAMICA GENERALE + 2 more oppositions | |
| Formulations Of (+)-2-[1-(3-Ethoxy-4-Methoxy-Phenyl)-2-Methanesulfonyl-Ethyl]-4-Acetyl Aminoisoindoline-1,3-Dione | AMGEN EUROPE | Dec 19, 2025 | HAMM & WITTKOPP + 3 more oppositions | |
| Dosing Regimen Of Anti-Alpha4Beta7-Antibodies | MILLENNIUM PHARMACEUTICALS | Dec 19, 2025 | GRAF VON STOSCH PATENTANWALTSGESELLSCHAFT + 5 more oppositions | |
| Dosing Regimen Of Anti-Alpha4Beta7-Antibodies | MILLENNIUM PHARMACEUTICALS | Dec 19, 2025 | STORZ + 5 more oppositions | |
| Salt Of A Pyrimido[6,1-A]Isoquinolin-4-One Compound | VERONA PHARMA | Dec 19, 2025 | KELTIE + 1 more opposition | |
| A Crankcase Ventilation System | GRIMALDI | Dec 18, 2025 | DAIMLER TRUCK + 3 more oppositions | |
| Device For Manipulating An Object, Method For Filling An Object, And Corresponding Use | TT INNOVATION | Dec 18, 2025 | GROSSE VON HIRSCHHAUSEN PATENTDIENST + 1 more opposition | |
| Electronic Smoking Device And Process Of Manufacturing Thereof | FONTEM VENTURES | Dec 18, 2025 | PHILIP MORRIS + 1 more opposition | |
| Dosing Regimen Of Anti-Alpha4Beta7-Antibodies | MILLENNIUM PHARMACEUTICALS | Dec 18, 2025 | ABEL & IMRAY + 5 more oppositions | |
| Dosing Regimen Of Anti-Alpha4Beta7-Antibodies | MILLENNIUM PHARMACEUTICALS | Dec 18, 2025 | ADVANZ PHARMA SERVICES UK + 5 more oppositions | |
| Dosing Regimen Of Anti-Alpha4Beta7-Antibodies | MILLENNIUM PHARMACEUTICALS | Dec 18, 2025 | FRESENIUS KABI SWISSBIOSIM + 5 more oppositions | |
| Targeted Lipid Particles For Systemic Delivery Of Nucleic Acid Molecules To Leukocytes | RAMOT AT TEL AVIV UNIVERSITY | Dec 18, 2025 | KARO + 2 more oppositions | |
| A Crankcase Ventilation System | GRIMALDI | Dec 17, 2025 | ALFDEX + 3 more oppositions | |
| Method For The Individual Loading Of Roller Cars Of A Conveyor With Clothes Hangers For Transporting Suspended Goods, Transfer Station And Corresponding Conveyor | BEUMER GROUP | Dec 17, 2025 | DURKOPP FORDERTECHNIK |