Showing 1 - 10 of 316
This paper introduces dynamics in the R&D to innovation and innovation to productivity relationships, which have mostly … individual effects and idiosyncratic errors correlated across equations and that differ in the way innovation enters the … Community Innovation Survey. The results provide evidence of robust unidirectional causality from innovation to productivity and …
Persistent link: https://www.econbiz.de/10009764446
. 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 analyses the causal impact of Intellectual Property Rights (IPR) on pharmaceutical innovation in a panel of …
Persistent link: https://www.econbiz.de/10011509446
linked fields. Our analysis uses 1.8 million U.S. patents and their citation properties to map the innovation network and its … strength. Past innovation network structures are calculated using citation patterns across technology classes during 1975 …-1994. The interaction of this pre-existing network structure with patent growth in upstream technology fields has strong …
Persistent link: https://www.econbiz.de/10011557905
We construct a tractable general equilibrium model of cumulative innovation and growth, in which new ideas strictly … lower than the social plannerś benchmark, which suggests a role for patent policy. We focus on a "non-infringing inventive … the rate of innovation, as well as a separate optimal required inventive step that maximizes welfare, with the former …
Persistent link: https://www.econbiz.de/10010189836
We study the causal impact of invalidating marginally valid patents during post-grant opposition at the European Patent … participation of a patent's original examiner in the opposition division as an instrument. We find a disciplinary effect of … invalidation: Affected inventors file 20% fewer patent applications in the decade after the decision. This effect is entirely …
Persistent link: https://www.econbiz.de/10011996418
We investigate how international patent activity enables firms from emerging economies to thrive in the global … marketplace. We match Chinese customs data to US patent records, and leverage the quasi-random assignment of USPTO patent … examiners to identify the causal effect of a US patent grant on the subsequent export performance of Chinese firms. Successful …
Persistent link: https://www.econbiz.de/10014434285
inverse U-shaped relationship between patent strength and growth: moderate levels of patent protection can stimulate growth …
Persistent link: https://www.econbiz.de/10014383652
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 …
Persistent link: https://www.econbiz.de/10010366175
We study the prevalence and traits of global collaborative patents for U.S. public companies, where the inventor team is located both within and outside of the United States. Collaborative patents are frequently observed when a corporation is entering into a new foreign region for innovative...
Persistent link: https://www.econbiz.de/10011561206
This paper analyzes the optimal protection strategy for an innovator of a complex innovation who faces the risk of … imitation by a competitor. We suppose that the innovation can be continuously fragmented into sub-innovations. We characterize … the optimal mix of patent and trade secrets when the innovator faces a strict novelty requirement and can only patent a …
Persistent link: https://www.econbiz.de/10010211454