Rule 51 – Payment of renewal fees Source: http://www.epo.org/law-practice/legal-texts/html/epc/2016/e/rciii_iii.htmlDate retrieved: 17 May 20212 references found. Click X to load a reference inside the current page, click on the title to open in a new page.EPC Implementing RulesX Part III Implementing Regulations to Part III of the ConventionLoading...XR.51 EPC Payment of renewal feesLoading...