. SMEs are also less likely than larger firms to use others' patents as a source of information for their own innovation …

This paper analyzes the effect of an increase in patent scope on R&D and innovation. It presents a model where patent … duplication of R&D. The model predicts that an increase in patent scope can increase the probability of innovation if the … incumbent’s profit increase from innovation is large and the patented technology has a small advantage over the alternative …