6.1 No payment of additional search fees 6.2 Payment of additional search fees without protest 6.3 Payment of additional search fees under protest Source: http://www.epo.org/law-practice/legal-texts/html/guidelinespct/e/b_vii_6.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 - B SearchXGL-PCT B Purpose of Part B Loading...XGL-PCT B VII – Unity of invention Loading...XGL-PCT B VII 6.1 No payment of additional search fees Loading...XGL-PCT B VII 6.2 Payment of additional search fees without protest Loading...XGL-PCT B VII 6.3 Payment of additional search fees under protest Loading...