12 According to the R.O.C. Patent Act, which of the following statements regarding the patent term of
a patent is not correct?
(A) The term of a design patent shall expire after a period of fifteen (15) years from the filing date of
the application.
(B) A derivative design patent shall not expire simultaneously with the original design patent.
(C) The term of a utility model patent shall expire after a period of ten (10) years starting from the
filing date.
(D) The term of an invention patent shall expire after a period of twenty (20) years from the filing date
of the application.
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