22 Which of the following defenses is not applicable in the patent infringement litigation in the R.O.C.?
(A) experimental use
(B) laches
(C) prior art
(D) prior use
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統計: A(0), B(1), C(0), D(1), E(0) #1211887
統計: A(0), B(1), C(0), D(1), E(0) #1211887