Without prejudice to Rule 87, the description, claims and drawings may be amended, provided that the amendments are occasioned by grounds for opposition specified in Article 100, even if the respective ground has not been invoked by the opponent.
85Inserted by decision of the Administrative Council of 13.12.1994 which entered into force on 01.06.1995 (OJ EPO 1995, 9 ff). See decision of the Enlarged Board of Appeal G 1/99 (Annex I).