Article L481-3 of the French Commercial code
The loss suffered by the claimant as a result of the anti-competitive practice referred to in Article L. 481-1 includes in particular: 1° The loss made, resulting : a) The additional cost corresponding to the difference between the price of the good or service that he actually paid and the price that would have been paid in the absence of the commission of the infringement, subject to the total or…