Article 85 of the French Code of Criminal Procedure
Any person claiming to have been injured by a crime or offence may, by lodging a complaint, bring a civil action before the competent investigating judge pursuant to the provisions of the articles 52, 52-1 et 706-42. However, a civil party complaint is only admissible if the person can prove either that the public prosecutor has informed him or her, following a complaint lodged with him or her or with…