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The USPTO Historical Patent Data Files includes four datasets/output files (annual, monthly, monthly disposal, and historical masterfile}.
The historical_masterfile contains micro-level application, NBER sub-category, and prosecution data on 2.2 million patent applications filed from 1981 to 2014 and 8.9 million patents issued through 2014.
Latest Release2015-07-02 Download (228.4 MB)
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