An aspect of the law which allows an exclusive right for a limited number of years is a? by Sunday | Dec 20 | Commerce JAMB | 0 comments A. copyright B. trademark C. ratification D. patent Correct Answer: Option D – patent Users Also Read These:A radioactive substance of mass 768g has a half-life…An author's exclusive right to published and…The nucleon number and the proton number of a…An element whose half-life is 3 years has N atoms.…An author’s exclusive right to his published and…