5 Under the R.O.C. Patent Act, which of the following circumstance does not lead to the extinguishment of
a patent right?
(A) The patent term has expired
(B) The patentee has charged excessive royalties
(C) The patentee has passed away without heirs
(D) The patentee abandoned the patent
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統計: A(0), B(2), C(0), D(0), E(0) #3145244
統計: A(0), B(2), C(0), D(0), E(0) #3145244