French patents

Cabinet Chaillot represents applicants before the French Patent Office (INPI) for filing French patents and following their prosecution. We give you here the main steps of the prosecution, the elements required for filing a French patent, the difference between a French patent and a certificate of utility (or utility model), the validation requirements of a EP patent since the London Agreement, the specific French seizure (inspection of property) as an element of proof in case of infringement action...



Latest news

05-2020 New computing of extensions before the INPI

A consolidated version of Ordinance 2020-306 was published on May 15, 2020.According to this new version, all delays expiring between March 12,...


03-2020 Information relating to Coronavirus (COVID-19)

Due dates and delays during the outbreak


03-2020 Opposition proceedings against a granted French patent

Decree 2020-225 specifying the particulars of the new opposition proceedings against a granted French patent was published on March 8, 2020


02-2020 New opposition proceedings for patents in France

Order 2020-116 published on February 13, 2020 introduces new opposition proceedings for patents in France


Cabinet Chaillot
Links