問題詳情
14 The express grant of ________ conveys promises by the patentee not to practice the patent himself and not to grantany further licenses to third party. Choose the one phrase that best completes the above sentence.
(A)a sole license
(B)an exclusive license
(C)a non-exclusive license
(D)a statutory license
參考答案
答案：B
難度：適中0.571429
統計：A(0),B(4),C(1),D(1),E(0)