Illustrative examples can be found in section GL/EPO G‑VII, 5.4.2, and subsections GL/EPO G‑VII, 5.4.2.1 to GL/EPO G‑VII, 5.4.2.4, in the Guidelines for Examination in the EPO.
Source: http://www.epo.org/law-practice/legal-texts/html/guidelinespct/e/g_vii_5_4_2.htm
Date retrieved: 17 May 2021