4.1 At least one communication in examination 4.2 No examination of multiple inventions in EP phase 4.3 Substantive examination of a Euro-PCT application accompanied by an IPER Source: http://www.epo.org/law-practice/legal-texts/html/guidelines/e/e_ix_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 Guidelines - E General Procedural MattersXGL E Communications Loading...XGL E IX – Applications under the Patent Cooperation Treaty (PCT) Loading...XGL E IX 4.1 At least one communication in examination Loading...XGL E IX 4.2 No examination of multiple inventions in EP phase Loading...XGL E IX 4.3 Substantive examination of a Euro-PCT application accompanied by an IPER Loading...