From the day of publication, provided for in Article R. 612-39, the application for the utility certificate mentioned in Article L. 611-2, and until payment of the fee for issuing and printing the fascicle of this certificate, any person may send observations on the patentability of the invention to the Institut national de la propriété industrielle, in the form provided for patent applications to article R. 612-63, paragraph 2.
The content of these observations is notified, without delay, to the applicant, who has a period of three months to respond.