9 Which of the following is not among the grounds for granting compulsory licenses under Article87 of the R.O.C. Patent Act?
(A) National emergency or other circumstances of extreme urgency.
(B) Where a later invention patent cannot be exploited without infringing upon a prior invention patent, and where the later invention patent involves an important technical advancement of considerable economic significance in relation to the prior invention patent.
(C) Where a patented invention is to be exploited non-commercially for the enhancement of public interest.
(D) Where a patentee has committed acts restricting competition or has committed unfair competition acts, to be determined by the Specific Patent Agency.