This paper develops a model of patent trolls to understand various litigation strategies employed by nonpracticing …

This paper analyzes patent pools and their effects on innovation incentives. It is shown that the pro …-competitive effects of patent pools for complementary patents naturally extend for dynamic innovation incentives. However, this simple … case, the licensing fees reflect the strength of patents. Patent pools of complementary patents can be used to discourage …

patentability standards at PTOs (Patent and Trademark Offices awarding so-called bad patents), not only "false innovators" have the … chance of being granted patents but also, and more interestingly, "true innovators" are forced to patent more intensively … distortions caused by bad patents. Moreover, we show that introducing a two-tiered patent system is unlikely to improve market …

. Domestic innovation is measured as citation-weighted domestic patents filed at the European Patent Office (EPO): to account for … to patent at the EPO. Results show that, in the short-run, IPR stimulate innovation. The effect for developing countries …

This paper develops a theory of patent portfolios in which firms accumulate an enormous amount of related patents in … infringe on other firms ́patent portfolios. We investigate how litigation incentives for the holders of patent portfolios … impact the incentives to introduce new products and draw welfare implications. We also consider a patent portfolio …

the optimal mix of patent and trade secrets when the innovator faces a strict novelty requirement and can only patent a … innovator can successively patent different fragments of the process. We compare a regime with prior user rights, when the …

The doctrine of "patent exhaustion" implies that the authorized sale of patented goods "exhausts" the patent rights in … model of domestic patent exhaustion that incorporates transaction costs in consumer licensing, and examines how a shift in … patent policy from absolute to presumptive exhaustion, in which the patent owner can opt- out of exhaustion via contract …