In the cases referred to in D‑VIII, 1.2.2 and D-VIII, 1.2.3, the European patent will be revoked even if the omitted acts have been completed during the period between expiry of the time limit and the taking of a final decision, unless a request for re-establishment of rights has been filed, in which case a decision must first be given on the request.
Source: http://www.epo.org/law-practice/legal-texts/html/guidelines/e/d_viii_1_2_4.htm
Date retrieved: 17 May 2021