The European Patent Office shall use the classification referred to in Article 1 of the Strasbourg Agreement concerning the International Patent Classification of 24 March 1971, hereinafter referred to as the international classification. [ Art. 15 R. 11 61 ]Source: http://www.epo.org/law-practice/legal-texts/html/epc/2016/e/r8.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 ArticlesXA.15 EPC Departments entrusted with the procedureLoading...EPC Implementing RulesX Loading...XR.11 EPC Allocation of duties to the departments of first instanceLoading...XR.61 EPC Content of the European search reportLoading...