19 According to Taiwan Patent Law, there are several circumstances under which Taiwan Intellectual
Property Office may grant compulsory licensing of a patent. These grounds include:
①where a patented invention is to be exploited non-commercially for the enhancement of public
interest;
②where a later invention or utility model patent cannot be exploited without infringing upon a
prior invention or utility model patent, and where the later invention or utility model patent
involves an important technical advancement of considerable economic significance in relation
to the prior invention or utility model patent; or
③ where a patentee has committed acts restricting competition or has committed unfair
competition acts, for which a judgment has been made by a court of law or a decision has been
rendered by the Fair Trade Commission of the Executive Yuan.
On what grounds shall a request for compulsory licensing of a patent involving semiconductor
technology be based?
(A)①or②only (B)②or③only (C)①or③only (D)①,②or③