USPTO Datasets

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).

Current U.S. classification information for all patent applications (non-provisional utility and plant) published by the USPTO from March 15, 2001 to present. Approx. 450 main divisions of technology, called classifications/classes, broken into approx. 150,000 subdivisions, called subclassifications/subclasses. Provided in published patent application number sequence with the current U.S. original classification/subclassification and any cross-reference classification/subclassifications with the format of ASCII text.

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.

These documents replace the original data disseminated by the Electronic Information Products Division (EIPD). For more information on the data, contact ipd@uspto.gov (link sends e-mail).

Contains (backfile - August 1980 - 2020) 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).

The Patent Term Adjustment (PTA) statute at issue is 35 USC 154(b)(2)(c), which provides for a deduction from any PTA award "equal to the period of time during which the applicant failed to engage in reasonable efforts to conclude prosecution of the application." The statute also expressly delegates to the USPTO the authority to "prescribe regulations establishing the circumstances that constitute a failure of an applicant to engage in reasonable efforts to conclude processing or examination of an application."

These historical statistics are data for requests for reexamination filed since 7/1/1981 (for ex parte) or since 11/29/1999 (for inter partes). They are updated weekly.

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 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) in CY2001. The file format is Standard Generalized Markup Language (SGML) in accordance with the U.S. Patent Grant Version 2.4 Document Type Definition (DTD).