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The European Patent Convention

 
 

Rule 139[ 118 ]
Correction of errors in documents filed with the European Patent Office

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

Art. 78, 90
R. 71

 
Cross-reference list
EPC EPC 1973
R. 139R. 88