Patent assignment annual XML (backfile)

Contains (backfile - August 1980 - December 2024) 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).
Updated: 1980-01-01

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Dates Available Jan 01, 1980 – Dec 31, 2024

Patent assignment daily XML (front file)

Contains daily (front file) patent assignment text (no drawings/images) for CY2025 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).
Updated: 2025-03-12

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Dates Available Sep 30, 2014 – Mar 12, 2025