Rule 22 applies mutatis mutandis to the registration of a transfer of the European patent during the opposition period or during opposition proceedings.[Rule 85; ]Source: http://www.epo.org/law-practice/legal-texts/html/guidelines/e/e_xiv_4.htmDate retrieved: 17 May 20214 references found. Click X to load a reference inside the current page, click on the title to open in a new page.EPC Implementing RulesXR.22 EPC Registration of transfersLoading...XR.85 EPC Transfer of the European patentLoading...EPO Guidelines - E General Procedural MattersXGL E Communications Loading...XGL E XIV – Registration of changes of name, transfers, licences and other rights Loading...