Uspto Patent Data: 250K Random Sample And Npes' Patents
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This package includes: Two Stata .dta files consisting of information on patents assigned by the United States Patent and Trademark Office between 1976 and 2014: a random sample of 250 000 US patents, and data on patent owned by Intellectual Ventures, RPX, and several other companies. The variables for example include: grant date, application date, forward and backward citations, renewals, claims and others. Source codes and methods used in generating and analyzing the two data files. A bachelor thesis with further information will be linked here.
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Zenodo创建时间：
2016-05-11
