問題詳情

3 An invention patent application is filed on January 1, 2010. The application is published 18 months later on July1, 2011 and granted on May 30, 2013. The patent is valid until:
(A) May 30, 2033(20 years from the granted date of the patent)
(B) July 1, 2031(20 years from the publication date of the application)
(C) January 1, 2030(20 years from the filing date of the application)
(D) some other date

參考答案

答案:C,D
難度:適中0.5
統計:A(2),B(7),C(9),D(8),E(0)

內容推薦

內容推薦