12 According to the Patent Act, when a patentee is a natural person, school or a small and medium enterprise, which of the following fee may be reduced or exempted upon the patentee’s request?
(A) the fee for request for a compulsory license.
(B) the filing fee for a patent application
(C) the patent annuity
(D) the fee for request a reexamination

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統計: A(0), B(0), C(2), D(0), E(0) #1200173