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then use the data to consider some key issues in dynamic competition and innovation. We look at the incidence and … distribution of patent races by technology, evidence for strategic delay of innovation by incumbent firms, and evidence that patent …
Persistent link: https://www.econbiz.de/10014061822
innovation. The dataset is complemented with indicators of patent quality (patent renewal, forward citations, and patent family …
Persistent link: https://www.econbiz.de/10012259861
We investigate the causal effect of patent rights on cumulative innovation, using large-scale data that approximate the …
Persistent link: https://www.econbiz.de/10012139072
before Alice. Overall, Alice reduced inefficiencies in the system without reducing innovation incentives …
Persistent link: https://www.econbiz.de/10014350603
We show that examiner-driven variation in patent rights leads to quantitatively large impacts on several patent outcomes, including patent value, citations, and litigation. Notably, Patent Assertion Entities (PAEs) overwhelmingly purchase patents granted by "lenient" examiners. These examiners...
Persistent link: https://www.econbiz.de/10012855159
We investigate the causal effect of patent rights on cumulative innovation, using large-scale data that approximate the …
Persistent link: https://www.econbiz.de/10012863982
How does patent enforcement affect subsequent innovation? I exploit patent infringement litigation in the United States … to analyze the effect of patent enforcement on cumulative innovation. The results imply that subsequent innovation … patent and reductions in asymmetric information are particular driver of the increase in follow-on innovation. Although there …
Persistent link: https://www.econbiz.de/10013309108
Critics claim that patent screening is ineffective, granting low-quality patents that impose unnecessary social costs. We develop an integrated framework, involving patent office examination, fees, and endogenous validity challenges in the courts, to study patent screening both theoretically and...
Persistent link: https://www.econbiz.de/10013226280
This paper provides causal evidence of local innovation spillovers, i.e. innovation by one firm fostering innovation by … neighboring firms. First, I document that exogenous shocks to innovation by listed firms affect innovation by private firms in the … same geographical area. I also find that such local innovation spillovers decline rapidly with distance. Second, I find …
Persistent link: https://www.econbiz.de/10013235778
We compare patent litigation cases across four European jurisdictions – Germany, France, the Netherlands, and the UK – covering cases filed during the period 2000-2008. For our analysis, we assemble a new dataset that contains detailed information at the case, litigant, and patent level for...
Persistent link: https://www.econbiz.de/10010128711