Article L615-2 of the French Intellectual Property Code
The infringement action is brought by the patent owner. Unless otherwise stipulated in the licence agreement, it is also open to the holder of an exclusive licence provided, on pain of inadmissibility, that the patent holder is informed in advance. The holder of a non-exclusive licence may bring an infringement action, if the licence contract expressly authorises him to do so, provided that he first informs the patent holder, failing…