(1) Go to the official website of the French Intellectual Property Office (https://www.inpi.fr/fr) and select "DATA INPI" in the upper left corner to go to the database page;
(2) On the database page, select the red mark in the lower right corner to enter the patent query page;
(3) In the patent query page, enter the application number/patent number, click the "RECHERCHER" on the right of the input box, that is, the search key, you can search the patent;
(4) Select the patent number to view and enter the patent information page to view the legal status and payment records of the patent.
专利年费