1. Taking of evidence by the departments of the EPO 2. Conservation of evidence 3. Taking of evidence by courts or authorities of the contracting states 4. Evaluation of evidence Source: http://www.epo.org/law-practice/legal-texts/html/guidelines/e/e_iv.htmDate retrieved: 17 May 20216 references found. Click X to load a reference inside the current page, click on the title to open in a new page.EPO Guidelines - E General Procedural MattersXGL E Communications Loading...XGL E IV 1 Taking of evidence by the departments of the EPO Loading...XGL E IV 2 Conservation of evidence Loading...XGL E IV 3 Taking of evidence by courts or authorities of the contracting states Loading...XGL E IV 4 Evaluation of evidence Loading...EPO Guidelines - G PatentabilityXGL GL INDEX 2021 Loading...