Article 133 – General principles of representation Article 134 – Representation before the European Patent Office Article 134a – Institute of Professional Representatives before the European Patent Office Source: http://www.epo.org/law-practice/legal-texts/html/epc/2016/e/acvii_iii.htmlDate 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 ArticlesX Part VII Common provisionsLoading...XA.133 EPC General principles of representationLoading...XA.134 EPC Representation before the European Patent OfficeLoading...XA.134a EPC Article 134a Institute of Professional Representatives before the European Patent OfficeLoading...