3.1 Acknowledgement of receipt 3.2 Filing via a competent national authority Source: http://www.epo.org/law-practice/legal-texts/html/guidelinespct/e/a_ii_3.htmDate 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.EPO PCT GL - A Formalities ExaminationXGL-PCT A Overview Loading...XGL-PCT A II – Filing of international applications and examination on filing Loading...XGL-PCT A II 3.1 Acknowledgement of receipt Loading...XGL-PCT A II 3.2 Filing via a competent national authority Loading...