Article R321-4-1 of the French Intellectual Property Code
The objection referred to in article L. 324-8-2 is notified by registered letter with acknowledgement of receipt or by any other means that can be used to certify the date of receipt and the identity of the addressee, including by electronic means. No reasons need to be given for the objection. In support of his objection, the author must produce a copy of an identity document and a declaration on…