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Open Data Portal (ODP) Patent File Wrapper (PFW) API (Search, Application Data, Continuity, Documents, Transactions, Patent Term Adjustment (PTA), Address and Attorney/Agent Information, Assignments (Ownership), and Foreign Priority)
Search - Conduct a search of all patent application bibliographic/front page and patent relevant data fields. This data is refreshed daily. Use this endpoint if you are... -
Patent Assignment Search API (Version 1.4)
Use this API to retrieve patent assignment information from the USPTO assignment search database and generate XML files with the search results. An XML file with search results... -
Patent Assignment Data for Academia and Researchers (1970 - 2023)
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 and patent... -
Patent Assignment XML (1980 - Present)
Contains daily (front file - Calendar Year 2025) and annual (backfile - August 1980 - December 31, 2024) patent assignment text (no drawings/images) derived from patent... -
Trademark Assignment Data for Academia and Researchers (1952 - 2023)
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 trademark properties.
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