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来源类型Working Paper
规范类型报告
DOI10.3386/w22244
来源IDWorking Paper 22244
Low-quality Patents in the Eye of the Beholder: Evidence from Multiple Examiners
Gaétan de Rassenfosse; William E. Griffiths; Adam B. Jaffe; Elizabeth Webster
发表日期2016-05-16
出版年2016
语种英语
摘要A low-quality patent system threatens to slow the pace of technological progress. Concerns about low patent quality are supported by estimates from litigation studies suggesting that the majority of patents granted by the U.S. patent office should not have been issued. This paper proposes a new Bayesian method for measuring patent quality, based on twin patent applications granted at one office but refused at another office. Our method allows us to distinguish whether low-quality patents are issued because an office implements a (consistently) low standard, or because it violates its own standard. The results suggest that quality in patent systems is higher than previously thought. In particular, relative to the own standard of each office, the percentage of mistakenly granted patents is under 10 percent for all offices. The Japanese patent office has a greater percentage of mistakenly granted patents than those of Europe, the United States, Korea and China, largely because it has a higher standard.
主题Other ; Law and Economics ; Industrial Organization ; Antitrust ; Development and Growth ; Innovation and R& ; D
URLhttps://www.nber.org/papers/w22244
来源智库National Bureau of Economic Research (United States)
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资源类型智库出版物
条目标识符http://119.78.100.153/handle/2XGU8XDN/579918
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GB/T 7714
Gaétan de Rassenfosse,William E. Griffiths,Adam B. Jaffe,et al. Low-quality Patents in the Eye of the Beholder: Evidence from Multiple Examiners. 2016.
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