information about cooperative licensing and the timing of patent allowances (the administrative event when patent rights are … significantly increases after patent allowance. Moreover, the impact of the patent system depends on the strategic and institutional … environment in which firms operate. Patent allowance seems to play a particularly important role for technologies with longer …

motives to patent indicate that firms patent for reasons that often extend beyond directly profiting from a patented … motives for patenting include the prevention of rivals from patenting related inventions (i.e., patent blocking'), the use of … patents in negotiations and the prevention of suits. We find that firms commonly patent for different reasons in discrete …

of the developing world introduces patent protection for new drug products. This may lead to more research on drugs to … those already offering such protection the situation offers a unique opportunity to examine the incentive role of patent … provides a baseline' against which future research activity can be compared once the new global patent regime is fully …

It may be advantageous to provide a variety of kinds of patent protection to heterogenous innovations. Innovations … protection in order to be encouraged. We model the problem of designing an optimal patent menu (scope and length) when the … fertility of an innovation in generating more innovations cannot be observed. The menu of patent scope can be implemented with …

patent histories and R&D expenditures, after controlling for other firm-specific variables including size and likelihood of …

Does an expansion of patent scope induce more innovative effort by firms? This article provides evidence on this … question by examining firm responses to the Japanese patent reforms of 1988. Interviews with practitioners suggest the reforms … significantly expanded the scope of patent rights in Japan, but that the average response in terms of additional R&D effort and …

We estimate the effect of patent protection on follow-on investments in corporate scientific research. We exploit a new … method for identifying an exogenous reduction in the protection a granted patent provides. Using data on public, research …-active firms between 1990 and 2015, we find that firms decrease follow-on research after a reduction in patent protection, as …

How do non-practicing entities ("Patent Trolls") impact innovation and technological progress? Although this question …", who exploit the patent system to extract rents and thereby hurt innovation. We employ unprecedented access to NPE …-derived patent and financial data, as well as a novel model that guides our data analysis. We find that NPEs acquire patents from …

analysis of our testable predictions using pharmaceutical data concerning patents, patent expiration, and outsourcing at …