USPTO File Wrapper & Petition Tools

Search USPTO Open Data. Sign in with your own USPTO API key to use the lookup tools; the petition decisions database is open to everyone.

File Wrapper Lookup

Pull the full document file wrapper for a single application number.

Document Code Search

Search specific document codes across a list of applications.

Reexam Document Code Search

Scan all reexamination proceedings in a date range for document codes.

Reexam Petition Decisions

Browse the database of petition decisions in reexaminations. No sign-in required.