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Guidelines for Examination

Allowability of correction of bibliographic data 

The sole reason for allowing correction of linguistic errors, errors of transcription and obvious mistakes is to ensure that the decision says what the Division actually intended at the time of issue. If the text given for grant or maintenance of the patent in amended form is bibliographic data referred to in the decision to grant, to maintain the patent in amended form or to limit the patent is are not and obviously cannot be the text bibliographic data corresponding to the real intention of the Division (e.g. a page or a claim is missing), the textbibliographic data erroneously indicated can be replaced by the text on which the Division actually intended to base its decision (see T 850/95) corrected under Rule 140.