Caviggioli, Federico; Scellato, Giuseppe; Ughetto, Elisa - In: Research Policy 42 (2013) 9, pp. 1634-1646
The impact of the geographical origin of patents on the probability of an opposition being filed and a patent being revoked has been examined in this paper, after accounting for patent value indicators and industry specificities. The study is based on a dataset of approximately 450,000 EPO...