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USPTO Datasets
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Contains (backfile - August 1980 - December 2023) patent assignment text (no drawings/images) derived from patent assignment recordations made at the USPTO. The file format is eXtensible Markup Language (XML) in accordance with the Patent Assignment Daily XML (PADX) Version 0.3 Document Type Definition (DTD).
Contains (backfile) Trademark Assignment text data (JAN 3, 1955 - DEC 31, 2023). The file format is eXtensible Markup Language (XML) in accordance with the U.S. Trademark Assignments Version 0.4 Document Type Definition (DTD).