Stylized Facts of Patent Litigation: Value, Scope and Ownership
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This paper investigates the characteristics of litigated patents by combining for the first" time information about patent case filings from the U.S. district courts and detailed data from the" U.S. Patent and Trademark Office. We construct a series of indicators for the factors which the"
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美国国家经济研究局创建时间：
1997-12-01
