問題詳情
12 A collection of patents owned by a single entity, such as an individual or corporation is called ________.Choose the one phrase that best completes the above sentence:
(A) patent accumulation
(B) patent pool
(C) patent portfolio
(D) patent troll
參考答案
答案：C
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)