ORD_3876/2025

The Paris Local Division declared the revocation action brought by Photon Wave Co. Ltd. against Seoul Viosys Co. Ltd. (EP 3 404 726) inadmissible, holding that a standalone revocation action by a third-party intervener in parallel infringement proceedings was not permitted under Articles 32 and 33 UPCA where the intervener had failed to comply with mandatory time limits for filing a counterclaim for revocation.