We investigate the causal effect of patent rights on cumulative innovation, using large-scale data that approximate the … patent universe in its technological and economic variety. We introduce a novel instrumental variable for patent invalidation … that exploits personnel scarcity in post-grant opposition at the European Patent Office. We find that patent invalidation …

otherwise visible to society. We develop a structural model of initial and follow-on innovation to determine the effects of such … a shift in disclosure on overall welfare in industries characterized by cumulative innovation. We find that while … significant decline in follow-on innovation. …

Until the twenty one century, innovation and ideas have been a valuable asset to accelerate the process of … technological catch-up, sustain productivity growth and competitiveness. To determine where innovation is standing up, countries and … organizations need to adapt innovation capacity to overcome their economies' defeats for the purpose of boosting the growth and …

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 …

This paper examines the implications of Open Source License (OSL) selection on software innovation, and suggests how …

This paper analyses the determinants of technological diversification for small innovative companies. Using patent data …

This article compares the relationship between patent quality and patent value in discrete and cumulative innovation … link between patent quality and value in discrete innovation, this link is much weaker in cumulative innovation …. Using factor analysis and a set of various commonly used patent quality indicators including claims, citations and family …

discourages entry and reduces innovation incentives, while horizontal integration always benefits from entry and innovation …

We show a causal impact of immigration on innovation and dynamism in US counties. To identify the causal impact of … recent decades. We show four main results. First, immigration has a positive impact on innovation, measured by the patenting … impact of immigration on innovation percolates over space, but spatial spillovers quickly die out with distance. Fourth, the …