P is the application from which priority is claimed by EP, D is the disclosure of the subject-matter of P.
1.1.90
1.5.90
1.6.90
Filing
Publication
Filing
P
D
EP
D is state of the art under Art. 54(2) if the priority claim of P is not valid.
Source: http://www.epo.org/law-practice/legal-texts/html/guidelines/e/f_vi_2_4_1.htm
Date retrieved: 17 May 2021