Making the patent scope consistent with the invention: Evidence from Japan
Okada, Yoshimi : Yusuke Naito : Sadao Nagaoka
『Journal of Economics & Management Strategy』 Vol. 27 Issue 3 pp. 607-625 (2018/07/31)
It is a crucial function of patent examination to make the patent scope consistent with the contribution of the invention to the state of the art. We assess this function using newly developed data on the scope of Japanese patent applications and grants. We find that the scope was narrowed in two thirds of the grants, both the incidenc…