European patent - Certificate of exhibition

According to Rule 25 of the European Patent Convention (EPC) Implementing Regulations (IR),

Within four months of filing the European patent application, the applicant shall file the certificate that the applicant or his legal predecessor has displayed the invention at an official, or officially recognised, international exhibition ( falling within the terms of the Convention on international exhibitions signed at Paris on 22 November 1928 and last revised on 30 November 1972), which:



is issued at the exhibition by the authority responsible for the protection of industrial property at that exhibition; 


states that the invention was in fact displayed there; 


states the opening date of the exhibition and, where the invention was disclosed later than on that date, the date on which the invention was first disclosed; and  



is accompanied by an identification of the invention, duly authenticated by the above-mentioned authority. 


Prepared by European Patent Registration and Consulting Services
prov. by. Lawyers Antevski member of ARI International Law & Trade