Filing Language: French  | |
| via Paris Convention | |
Necessary documents: 
  | |
Attachments (if any) 
  | |
Reinstatement of Priority Accepted on Unintentional Grounds.
INPI
English: L'Institut national de la propriété industrielle, abbreviation: INPI
Website: www.inpi.fr
French Invention Patent Search: Recherche avancée - Data INPI
20 years
- via Paris Convention : 12 months from earliest priority date.
 
10 years
INPI only conducts formality examination of utility model patent applications, and does not conduct search and substantive examination. However, in case of litigation, a search report needs to be submitted.
yes
INPI only conducts a formality examination of the invention patent application, but still needs to pay the search fee within one month from the filing date and conduct a search by the EPO, and the search result does not affect the granted result.
- via Paris Convention : 12 months from earliest priority date.
 - Validation of European Patent in EPO member states: 3 months from the date of European patent grant.
 
Filing Language: French
via Paris Convention Necessary documents:
- Abstract
 - Abstract Drawing
 - Claim
 - Specification
 - Drawing
 
Attachments (if any)
- Certified Priority Document
 - Declaration of Ownership/Certification of Employment/Assignment of priority
 - Assignment for Patent Right Transfer
 - Notification issued by CNIPA notify the applicant the application has passed through the security review
 - small entity declaration
 - inventor statement
 - Business license for company registration or articles of incorporation
 - Relevant information of references of other national applications with the same priority should be provided at the request of INPI