Martinelli, Arianna; Mazzei, Julia; Moschella, Daniele - 2022
The recent surge of patent disputes plays an important role in discouraging firms from entering new technology domains … at EPO between 2000 and 2015, we construct a new measure of litigiousness using patent opposition data. We find that the … degree of litigiousness and the density of patent thickets negatively affect the likelihood of firms entering new TDs. Across …