Knowledge spillovers and patent citations
Webcountry of origin of the citing patent than are examiner citations, and for domestic patents they are 25% more likely to match the citing patent's location within the United States. The localization of intra-national knowledge spillovers declines with the passage of time, but international borders present a persistent barrier to spillovers. WebMar 1, 2024 · Our tests show that the localization of knowledge spillovers, as measured via patent citations, is strongest at small spatial scales and diminishes with distance. On average, patents within a cluster are about two to four times more likely to cite an inventor in the same cluster than one in a control group.
Knowledge spillovers and patent citations
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WebMay 1, 2006 · Abstract. I report new evidence for localized knowledge spillovers identified by within-patent variations in the geographic matching rates of citations added by inventors and citations added by examiners. Evaluated at the mean citation lag, inventor citations are 20% more likely than examiner citations to match the country of origin of their citing … WebWe examine this assumption by investigating knowledge and technology transfers based on 960,000 patented inventions and 1.78 million patent citations from 1970 to 2024 and across 175 countries. Patented inventions and citations offer a lens to the use of technology and its transfer through knowledge spillovers.
WebMar 1, 2024 · Presumably, citations to patents that belong to the same assignee represent transfers of knowledge that are mostly internalized, whereas citations to patents of other inventors are closer to the pure notion of spillovers. 12 Furthermore, firms may include self-citations for strategic reasons. WebKnowledge Spillover Page 1 of 22 Results → 2024 Working Paper Fencing Off Silicon Valley: Cross-Border Venture Capital and Technology Spillovers By: Ufuk Akcigit, Sina T. Ates, Josh Lerner, Richard Townsend and Yulia Zhestkova The treatment of foreign investors has been a contentious topic in U.S. entrepreneurship policy in recent years.
WebWe measure knowledge spillovers through patent citations across elds of knowledge and countries. For this exercise, we focus on the post-1970 sample for which we have data for virtually all countries in the world. We show that for the average patent, citations tend to be biased towards domestic, as opposed to international, inventions and ... WebIt should be emphasised that knowledge spillovers are a much broader concept than what is captured by patent citations (US or European). In terms of the distinction by Griliches introduced above, patent citations focus on a specific form of pure knowledge spillovers. Rent spillovers are completely left out.
WebAbstract. We propose a new method to estimate and isolate the localization of knowledge spillovers due to the physical presence of a person, using after-application but pre-grant …
WebOct 18, 2024 · While patent litigation is an important appropriability mechanism for protecting firms’ proprietary knowledge, through the litigation process, valuable knowledge may unintentionally spill over from firms defending their patents to those they accuse of patent infringement. We examine whether such spillover subsequently enhances the … c# path join vs combineWebThis paper examines the trends in geographic localization of knowledge spillovers via patent citations, extracting multiple cohorts of new sample US patents from the period … disney world dress code policyWebKNOWLEDGE SPILLOVERS AND PATENT CITATIONS: TRENDS IN GEOGRAPHIC LOCALIZATION, 1976-2015 HYUK-SOO KWON1, JIHONG LEE2, SOKBAE LEE3;4, AND RYUNGHA OH5 Abstract. This paper examines the trends in geographic localization of knowledge spillovers via patent citations, extracting multiple cohorts of new sample US … disney world downtown disney restaurantsWebWe use patent citation data to investigate the relative intensity of knowledge spillovers in clean and dirty technologies in four technological fields: energy production, automobiles, fuel and lighting. We find that clean patents receive on average 43% more citations than dirty patents. Clean patents are also cited by more prominent patents. disney world downtown hotelsWebThis paper expands the organization theory and evidence on regional industrial agglomerations. We define regional economic activities according to the attributes of the organizations that populate a region and investigate how organizational ... disney world downtown restaurantsWebApr 3, 2009 · The focus in this paper is on knowledge spillovers between high-technology firms in Europe, as captured by patent citations. The European coverage is given by patent applications at the European Patent Office (EPO) that are assigned to high-technology firms located in Europe. By following the paper trail left by citations between high-technology … c path machine recallsWebGeographic localization of knowledge spillovers is a central tenet in multiple streams of research. However, prior work has typically examined this phenomenon 掌桥科研 一站式科研服务平台 disney world dreams come true