translate English to French: The extra benefits a producer gets from a good variety often exceed the licence fee by far. The best example is the new autumn raspberry Variety 'Rafzaqu': During the average plant life span of 6-8 years, a 40-50 % additional return as compared with existing varieties is possible, even with higher wholesale market prices...
La marque est le nom commercial sous lequel, par exemple une nouveauté protégée légalement quant à la variété, peut être vendu.