USPTO Datasets

Contains (backfile) Trademark Assignment text data (JAN 3, 1955 - DEC 31, 2024). The file format is eXtensible Markup Language (XML) in accordance with the U.S. Trademark Assignments Version 0.4 Document Type Definition (DTD).

Certificates-of-Correction (C-of-C) File (2010 - present) contains a listing of all Certificates of Correction for US patent documents and lists the following fields: Document Number; Publication Date; and Kind of Document Code (always "X6"). Layout information for the Certificates of Correction File is provided and additional information regarding Certificates of Correction can be found on the list at the following location https://www.uspto.gov/patents-getting-started/general-information-concerning-patents#heading-26

Contains (JAN 1976 - DEC 2001) the full text of each patent grant issued weekly (Tuesdays) (excludes images/drawings and reexaminations). The file format is Green Book, ASCII text and includes tables and "in-line" mathematical equations.

Contains recorded maintenance fee events for patents granted from September 1, 1981 to present. Each new weekly file (Tuesday) is cumulative with a file format of ASCII.

Contains Cooperative Patent Classification (CPC) classification information for all Utility patent grants issued by the U.S. Patent and Trademark Office (USPTO) from 1790 to present. It is available as XML with schemas or text monthly (usually by the 15th of the month).

Contains Cooperative Patent Classification (CPC) classification information for all Utility patent applications published by the U.S. Patent and Trademark Office (USPTO) from March 15, 2001 to present. It is available as XML with schemas or text monthly (usually by the 15th of the month).

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).

Bnnnnn.tar: Rescans of miscellaneous documents from miscellaneous years (1790 - present). The filename relates to the Digital Linear Tape (DLT) cartridge.

Contains (JAN 2001 - DEC 2001) the full text of each patent grant issued weekly (Tuesdays) in CY2001 (excludes images/drawings and reexaminations). The file format is Standard Generalized Markup Language (SGML) in accordance with the U.S. Patent Grant Version 2.4 Document Type Definition (DTD).

Contains the images of each patent grant issued weekly (Tuesdays) from July 31, 1790 to present in Portable Document Format (PDF) created from the Patent Grant Single-Page TIFF Images. Also included are older grants that have new Certificates-of-Correction (C-of-C) and rescanned images of older patent grants. Each weekly file contains approx. 6,000 patent grants. Approx. 9 GB (compressed) per week.