USPTO Datasets

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 daily (front file) patent assignment text (no drawings/images) for CY2019 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 the images of each patent grant issued weekly (Tuesdays) from July 31, 1790 to present in Tagged Image File Format (TIFF) Revision 6.0 with CCITT Group 4 Compression (single-page TIFFs). Includes a separate weekly Certificates-of-Correction (C-of-C) file and a daily Certificates file.

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

Certificates include post issuance documents, e.g., ex parte and inter partes reexamination documents. These were weekly and are daily starting on Ocotober of 2012.

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

Contains (JAN 2002 - present) the full text, images/drawings, and complex work units (tables, mathematical expressions, chemical structures, and genetic sequence data) of each patent grant (excludes reexaminations) issued weekly (Tuesdays). The file format is extensible Markup Language (XML) in accordance with the Patent Grant Version 4.5 International Common Element (ICE) Document Type Definition (DTD).

Contains (JAN 2002 - present) the bibliographic text (front page) of each patent grant issued weekly (Tuesdays) (excludes images/drawings and reexaminations). The file format is eXtensible Markup Language (XML) in accordance with the Patent Grant International Common Element (ICE) Document Type Definition (DTD).

Contains (JAN 2002 - present) the full text of each patent grant issued weekly (Tuesdays) (excludes images/drawings and reexaminations). The file format is eXtensible Markup Language (XML) in accordance with the Patent Grant International Common Element (ICE) 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.