Article 138 – Revocation of European patents Article 139 – Prior rights and rights arising on the same date Source: http://www.epo.org/law-practice/legal-texts/html/epc/2016/e/acviii_ii.htmlDate retrieved: 17 May 20213 references found. Click X to load a reference inside the current page, click on the title to open in a new page.EPC ArticlesX Part VIII Impact on national lawLoading...XA.138 EPC Revocation of European patentsLoading...XA.139 EPC Prior rights and rights arising on the same dateLoading...