Patent assignment economics data for academia and researchers: created/maintained by the USPTO Chief Economist (JAN 1970 - DEC 2021)
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Contains detailed information on roughly 6 million patent assignments and other transactions recorded at the USPTO since 1970 and involving over 10 million patents and patent applications. For more information: http://www.uspto.gov/learning-and-resources/electronic-data-products/data
Contains a research dataset of images of signatures extracted from patent inventor oath documents used for validation of micro entity certifications ranging from SEP 1998 to SEP 2022. It includes 883,811 documents and oath document signature images, is 40.5 GB of total size, and is broken into 8 zip files for the Patent Application Series Codes 12 to 17, 29, and 35. Each of these zip files contain folders for each application number in a given series. The application folders contain the oath document identifier that includes the image(s) of the signature(s) as PNG, and JSON file that contains the application number, the inventor name(s), and confidence level of the signature extraction algorithm.
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