5. I want to file an opposition against a French patent. How can I proceed?
The filing of an opposition against a French patent, as well as subsequent exchanges between the opponent and the owner of the contested patent, must be carried out in electronic form on the INPI website via portail de l’opposition brevet in PDF ( portable document format ) files.
Communications between the opposing party and the patent owner (patentee) are generally carried out through their respective agents.
The date of receipt of the opposition application at INPI is the effective date for payment of the opposition fee. This fee has been set at 600 euros by arrêté du 6 mars 2020 relatif...
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I want to file an opposition against a French patent. How can I proceed?
How does the opposition procedure work?
Bibliography
INPI, Patent and utility certificate guidelines, Book III, Post-grant procedures
Regulations
CPI Book VI, legislative and regulatory sections
Arrêté du 6 mars 2020 relatif aux redevances de procédures de l’INPI
Website
A self-financed public institution under the supervision of the French Ministry of Industrial Property, INPI plays an active role in the development and implementation of public policies in the field of intellectual property, in support of innovation and business competitiveness, and in the fight against counterfeiting.
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