Rule 19 – Designation of the inventor Rule 20 – Publication of the mention of the inventor Rule 21 – Rectification of the designation of an inventor Source: http://www.epo.org/law-practice/legal-texts/html/epc/2016/e/rcii_ii.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 Implementing RulesX Part II Implementing Regulations to Part II of the ConventionLoading...XR.19 EPC Designation of the inventor Loading...XR.20 EPC Publication of the mention of the inventorLoading...XR.21 EPC Rectification of the designation of an inventorLoading...