Data Catalog

• Federal

  Patent Assignment XML (1980 - Present)

  Department of Commerce —

  Contains daily (front file - Calendar Year 2025) and annual (backfile - August 1980 - December 31, 2024) patent assignment text (no drawings/images) derived from...

  • XML
  • XML
• Federal

  Patent Assignment Data for Academia and Researchers (1970 - 2023)

  Department of Commerce —

  Contains detailed information on 10.0 million patent assignments and other transactions recorded at the USPTO since 1970 and involving roughly 17.8 million patents...

  • CSV
  • dta
• Federal

  Trademark Assignment Data for Academia and Researchers (1952 - 2023)

  Department of Commerce —

  Contains detailed information on 1.29 million assignments and other transactions recorded at the USPTO between 1952 and 2023 and involving 2.28 million unique...

  • CSV
  • dta
• Federal

  Trademark Assignment XML (1955 - Present)

  Department of Commerce —

  Assignment (ownership) text data (no images).

  • XML

You can also access this registry using the API (see API Docs).

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