's fairs between 1851 and 1915. Exhibition data show that the industry where an innovation is made is the single most important … patent. The discovery of the periodic table in 1869 offers an opportunity to test this idea. Exhibition data show that …

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 …

We study the causal impact of patent invalidation on subsequent innovation and exit by the patent holder. The analysis … is based on patent litigation at the U.S. Court of Appeals for the Federal Circuit, and exploits the random allocation of … judges to control for endogeneity of the judicial decision. Invalidation causes the patent holder to reduce subsequent …

We investigate whether patents on human genes have affected follow-on scientific research and product development …. Using administrative data on successful and unsuccessful patent applications submitted to the US Patent and Trademark Office …-experimental approaches, both of which suggest that on average gene patents have had no quantitatively important effect on follow …

quality, follow-on innovation. Winning a first patent boosts a startup's subsequent growth and innovation by facilitating …We provide evidence on the value of patents to startups by leveraging the quasi-random assignment of applications to … examiners with different propensities to grant patents. Using unique data on all first-time applications filed at the U …

. Accordingly, this paper offers an empirical comparison of patents in relation to the award of prizes for technological innovation …Such institutions as patent systems cannot be well understood without an assessment of technological creativity in …. The data set comprises a sample of patents, as well as exhibits and prizes at annual industrial fairs in Massachusetts …

Members of a patent pool agree to use a set of patents as if they were jointly owned by all members and license them as … the effects of a patent pool on innovation. Contrary to theoretical predictions, the sewing machine pool appears to have … a package to other firms. Regulators favor pools as a means to encourage innovation: Pools are expected to reduce …

product market competition interact with the strength of patent rights. We provide empirical evidence of innovation responding …, that patent protection can complement competition in inducing innovation …Can patent protection and product market competition complement each other in enhancing incentives to innovate? In this …

existence of strong patent laws encourage innovation? And 2) May patent laws influence the direction - as opposed to the rate …What is the optimal system of intellectual property rights to encourage innovation? Empirical evidence from economic … to address problems with the current patent system: 3) How do patent pools, as a mechanism to mitigate litigation risks …

Patent pools, which allow competing firms to combine their patents, have emerged as a prominent mechanism to resolve … litigation when multiple firms own patents for the same technology. This paper takes advantage of a window of regulatory … tolerance under the New Deal to investigate the effects of pools on innovation within 20 industries. Difference …