Chapter V – Amendments and corrections Close Submenu Breadcrumb Home European Patent Convention (EPC 1973) – Table of Contents Implementing Regulations Part VII Chapter V Rule 89 Print Share Rule 89 – Correction of errors in decisions Rule 86 – Amendment of the European patent application Rule 87 – Different claims, description and drawings for different States Rule 88 – Correction of errors in documents filed with the European Patent Office Rule 89 – Correction of errors in decisions Rule 89 129 Correction of errors in decisions A revised version of the European Patent Convention entered into force on 13 December 2007. The provisions of the revised Convention apply unless the transitional provisions provide for the applicability of the EPC 1973. In decisions of the European Patent Office, only linguistic errors, errors of transcription and obvious mistakes may be corrected. 129See decisions of the Enlarged Board of Appeal G 8/95, G 1/97 (Annex I). Next Previous Show modifications EPC - Reference Art. 91, 97, 102, 104, 111, 112 Cross-reference list EPC 1973EPC 2000R. 89 R. 140