專利權

patent right

for a particular person, occasion, purpose / focused on one thing / special / expert / particular (to sth) / concentrated / specialized

patent / sth uniquely enjoyed (or possessed etc) by a certain group of people / monopoly

sharp / favorable / advantage / benefit / profit / interest / to do good to / to benefit

economic rights (e.g. of a state monopoly)

surname Quan

authority / power / right / (literary) to weigh / expedient / temporary