This revised version of the Guidelines for Examination will apply as from 1 November 2015. Until then, the September 2014 edition of the Guidelines remains valid.

3.1 General remarks

An applicant who wishes to claim priority must file a declaration of priority giving particulars of the previous filing, as specified in Rule 52(1), together with a certified copy of the previous application and, if necessary for the assessment of patentability, a translation of it into one of the EPO official languages (see A‑III, 6.7 and 6.8).

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