Hwang, Jung-Tae; Kim, Byung-Keun; Jeong, EuiSeob - In: Journal of open innovation : technology, market, and … 7 (2021) 2, pp. 1-9
This study investigated the effect of patent value on the renewal (survival) of patents. The private value of patents … homogeneous patent data samples. In this study, a dataset is constructed from a cohort of 6646 patents from the 1996 and 1997 … application years, using patent data from the European Patent Office (EPO). We found that the family size and non-patent backward …