(a) effects one of the acts set out in Article 13 (2) without being entitled to do so, in respect of a variety for which a Community plant variety right has been granted; or
(c) contrary to Article 18 (3) uses the variety denomination of a variety for which a Community plant variety right has been granted or a designation that may be confused with it;
may be sued by the holder to enjoin such infringement or to pay reasonable compensation or both.
2. Whosoever acts intentionally or negligently shall moreover be liable to compensate the holder for any further damage resulting from the act in question. In cases of slight negligence, such claims may be reduced according to the degree of such slight negligence, but not however to the extent that they are less than the advantage derived therefrom by the person who committed the infringement.