15 An invention may be granted a patent upon application, except for the invention was publicly known prior to the filing of the patent application. Which requirement for patent is contained in this description?
(A) Patentable subject matter
(B) Inventive step
(C) Enablement
(D) Novelty
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統計: A(1), B(0), C(0), D(0), E(0) #3524705
統計: A(1), B(0), C(0), D(0), E(0) #3524705