Claims filed after the date of filing under Rule 58 are never considered to be part of the application documents "as originally filed" and must therefore comply with the requirements of Art. 123(2) (see A‑III, 15). For this reason, the examining division has to check that the claims satisfy the requirements of Art. 123(2), according to the same practice and standards as established in examination for amendments filed in other phases of the procedure (see H‑V).[Rule 58; ]
Source: http://www.epo.org/law-practice/legal-texts/html/guidelines/e/h_iv_2_2_3.htm
Date retrieved: 17 May 2021