Contentious proceedings

We offer comprehensive support throughout the patent, trademark & design dispute process, be it in third-party observations, opposition, appeal, cancellation, or litigation proceedings. Our team of skilled attorneys has extensive experience in handling intellectual property cases and is well-versed in opposition and appeal proceedings. Our deep technical and legal expertise in representation before the Opposition Divisions and Technical Boards of Appeal at the EPO, and before the Cancellation Division and Boards of Appeal of the EUIPO, enable us to provide our clients with the best chance of achieving their desired results.

Our services include:

Advising on validity, infringement and enforcement of patents, trademarks and designs
Representation before the EPO in appeal procedures against decisions of the EPO
Representation before the EUIPO in appeal procedures against decisions rendered by the Examination Division, Opposition Division and Cancellation Division of the EUIPO
Representation in third party observations/ oppositions before the EPO, the EUIPO and the national Patent Offices
Representation in limitation, revocation and invalidation procedures before the EPO and the EUIPO
Assisting in revocation of patents/ nullity or validation procedures before the courts
Assisting in descriptive seizure procedures
Assisting in international litigations
Advising on anti-counterfeiting through customs measures
Acting as court appointed or party appointed expert in IP (patents, trademarks and design) matters in litigation before the different European Courts, and more in particular the Belgian courts
Unified Patent Court (UPC) representation via our European Patent Litigators

Our firm has a proven track record in oppositions and appeals at the EPO and the EUIPO and was the winner in 2022, 2023 and also in 2024 of the award of Managing IP European Opposition firm of the year.