4.1 No payment of additional examination fees or failure to reply 4.2 Payment of additional examination fees without protest 4.3 Payment of additional examination fees under protest Source: http://www.epo.org/law-practice/legal-texts/html/guidelinespct/e/c_v_4.htmDate retrieved: 17 May 20215 references found. Click X to load a reference inside the current page, click on the title to open in a new page.EPO PCT GL - C Procedureal Aspects Chapter IIXGL-PCT C General remark Loading...XGL-PCT C V – Unity of invention Loading...XGL-PCT C V 4.1 No payment of additional examination fees or failure to reply Loading...XGL-PCT C V 4.2 Payment of additional examination fees without protest Loading...XGL-PCT C V 4.3 Payment of additional examination fees under protest Loading...