Nevertheless, such an act, before it is so entered, shall have effect vis-à-vis third parties who have acquired rights in the trade mark after the date of that act but who knew of the act at the date on which the rights were acquired. ###>Toutefois, avant son inscription, un tel acte est opposable aux tiers qui ont acquis des droits sur la marque après la date de cet acte mais qui avaient connaissance de celuici lors de l’acquisition de ces droits.