P. Intervention
Overview
P. Intervention
1.Admissibility of intervention
2.Legal status of intervener
3.Legal status of documents filed with intervention during appeal proceedings
Under Art. 105 EPC, to intervene admissibly in opposition proceedings a party must show either that proceedings for infringement of the same patent have been instituted against him, or that following a request of the proprietor of the patent to cease alleged infringement, the third party has instituted proceedings for a ruling that he is not infringing the patent. Under Art. 105(2) EPC, an admissible intervention shall be treated as an opposition.