Article L482-1 of the French Commercial code
An action for damages based on article L. 481-1 shall be barred on expiry of a period of five years. This period begins to run from the day on which the claimant knew or should have known cumulatively: 1° The acts or facts imputed to one of the natural or legal persons mentioned in Article L. 481-1 and the fact that they constitute an anti-competitive practice; 2° The fact that…