IPO; Hall, Bronwyn H.; Helmers, Christian; von … - 2022
The aim is to contribute to our understanding of the role of patent thickets as a barrier to entry into new …:A review of the literature on patent thickets, including the limited empirical evidence regarding effects of patent thickets on …;An empirical evaluation of the extent to which patent thickets appear to be barriers to entry in some technology areas …