The claims must be supported by the description. This means that there must be a basis in the description for the subject-matter of every claim and that the scope of the claims must not be broader than is justified by the extent of the description and drawings and also the contribution to the art (see T 409/91). Regarding the support of dependent claims by the description, see F‑IV, 6.6.[Art. 84; ]
Source: http://www.epo.org/law-practice/legal-texts/html/guidelines/e/f_iv_6_1.htm
Date retrieved: 17 May 2021