試題詳解

18 Under the R.O.C. Patent Act, the patent rights shall not extend to the using or reselling a patented product after the sale of a patented product made by the patentee or under consent of the patentee. This rule is best to be described as the____ doctrine? Please choose the one below that best completes the above sentence.
(A)equivalents
(B)exclusion
(C)extinction
(D)exhaustion