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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...



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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


01-2020 Updates to French patent law following PACTE Law

Law n°2019-486 dated 22/05/2019 relating to growth and transformation of businesses, referred to as PACTE Law, brings numerous changes to French...


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