5.1 Only variants of the invention are incapable of being performed 5.2 Absence of well-known details 5.3 Difficulties in performing the invention Source: http://www.epo.org/law-practice/legal-texts/html/guidelines/e/f_iii_5.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 - F The European Patent ApplicationXGL F General Loading...XGL F III – Sufficiency of disclosure Loading...XGL F III 5.1 Only variants of the invention are incapable of being performed Loading...XGL F III 5.2 Absence of well-known details Loading...XGL F III 5.3 Difficulties in performing the invention Loading...XGL F III 10 Sufficiency of disclosure and Rule 56 Loading...