USPTO Datasets

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.

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 (MAR 15, 2001 - present) the full text, images/drawings, and complex work units (tables, mathematical expressions, chemical structures, and genetic sequence data) of each patent application (non-provisional utility and plant) published weekly (Thursdays). The file format is eXtensible Markup Language (XML) in accordance with the Patent Application Version 4.4 International Common Element (ICE) Document Type Definition (DTD).

Contains (MAR 15, 2001 - present) the bibliographic text (front page) of each patent application (non-provisional utility and plant) published weekly (Thursdays) (excludes images/drawings). The file format is eXtensible Markup Language (XML) in accordance with the Patent Application Version 4.4 International Common Element (ICE) Document Type Definition (DTD).

Contains (MAR 15, 2001 - present) the full text of each patent application (non-provisional utility and plant) published weekly (Thursdays) (excludes images/drawings). The file format is eXtensible Markup Language (XML) in accordance with the Patent Application Version 4.4 International Common Element (ICE) Document Type Definition (DTD).

Contains the images of each patent application (non-provisional utility and plant) published weekly (Thursdays) from March 15, 2001 to present in Portable Document Format (PDF) created from the Patent Application Single-Page TIFF Images. Each weekly file contains approx. 6,000 patent applications. Approx. 11 GB (compressed) per week.

Contains the images of each patent application (non-provisional utility and plant) published weekly (Thursdays) from March 15, 2001 to present in Tagged Image File Format (TIFF) Revision 6.0 with CCITT Group 4 Compression (single-page TIFFs). Each weekly file contains approximately 6,000 published patent applications.

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 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