Full US patent application file-wrapper detail by...
Full US patent application file-wrapper detail by application number. Returns bibliographic data (title, inventors, applicants, dates, status, examiner, art unit, docket #, confirmation #) plus the file-wrapper event timeline (filing, IDS, Office Actions, allowance, abandonment, …), continuity chain (parent / continuation / divisional / national stage), recorded assignments (assignor → assignee with reel/frame + conveyance text), and foreign priority claims under 35 USC § 119. Application number is the 6-10 digit USPTO ID (e.g. 18566276).
Request
- Base URL: https://2s.io
- URL: https://2s.io/api/patents/detail
- Auth: API key in header PAYMENT-SIGNATURE
Query parameters
Application number.
Try before you buy. Set to 1 for one free real call per endpoint per hour — no wallet or payment needed — to verify the endpoint before paying. Equivalent to sending the "X-2s-Trial: 1" request header. Listed only on operations that offer a trial; the others always answer 402.
Response
Changes
No recorded changes to this operation across all 1 revision of this API.