Article 137

Formal requirements for conversion

(1) A European patent application transmitted in accordance with Article 136 shall not be subjected to formal requirements of national law which are different from or additional to those provided for in this Convention.

(2) Any central industrial property office to which the application is transmitted may require that the applicant shall, within not less than two months:

(a) pay the national application fee;

(b) file a translation in one of the official languages of the State in question of the original text of the European patent application and, where appropriate, of the text, as amended during proceedings before the European Patent Office, which the applicant wishes to submit to the national procedure.