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R. 88 R. 139


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European Patent Convention (EPC 1973)

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.
EUROPEAN PATENT CONVENTION 1973 - Table of Contents
IMPLEMENTING REGULATIONS TO THE CONVENTION ON THE GRANT OF EUROPEAN PATENTS European Patent Convention Protocol on Recognition
PART VII - IMPLEMENTING REGULATIONS TO PART VII OF THE CONVENTION PART VI - IMPLEMENTING REGULATIONS TO PART VI OF THE CONVENTION PART VIII - IMPLEMENTING REGULATIONS TO PART VIII OF THE CONVENTION
Chapter V - Amendments and corrections Chapter IV - Time limits Chapter VI - Interruption of proceedings
Rule 88 - Correction of errors in documents filed with the European Patent Office Rule 87 - Different claims, description and drawings for different States Rule 89 - Correction of errors in decisions


Rule 88 128

Correction of errors in documents filed with the European Patent Office

Art. 78, 88, 91
R. 51



Linguistic errors, errors of transcription and mistakes in any document filed with the European Patent Office may be corrected on request. However, if the request for such correction concerns a description, claims or drawings, the correction must be obvious in the sense that it is immediately evident that nothing else would have been intended than what is offered as the correction.



128 See decisions/opinions of the Enlarged Board of Appeal G 3/89, G 11/91, G 2/95 (Annex I).


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