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Guidelines for Examination

 
 

6.10 Loss of right to priority

The right to priority for a European patent application is lost where:

(i)
the declaration of priority is not filed in due time (see A‑III, 6.5.1);
(ii)
the declaration of priority is not corrected in due time (see A‑III, 6.5.2 and 6.5.3);
(iii)
the certified copy of the previous application is not filed in due time (see A‑III, 6.7); or
(iv)
the translation of the previous application or the declaration referred to in A‑III, 6.8.6 is not filed in due time in response to an invitation according to Rule 53(3) (see A‑III, 6.8.3).