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PatentPulse Patent Status Lookup
x402
PatentPulse Patent Status Lookup is a paid API for AI agents from patentpulse.theaslangroupllc.com, paid per call via x402, $0.05/call, status unknown (last checked 2026-10-27).
Retrieves full legal status, expiry estimate, claims, classifications, and maintenance/citation profile for any US patent by patent number.
Price / call$0.05
Success—
StatusUnknown
How this service works
Patent status lookup / legal status / remaining patent life / expiry by patent number. Returns full patent details (title, type, claims, CPC/USPC classes, assignees, inventors, abstract), an estimated ~20-year expiry and years remaining, plus maintenance and citation profile for any US patent ID. For IP and patent agents.
Output
Returns a JSON object containing the patent title, type, full abstract, claims list, CPC and USPC classification codes, assignees, inventors, an estimated ~20-year expiry date, years of life remaining, maintenance fee status, and citation profile for the requested US patent.
Example use cases
Verify competitor patent validity and strength
“I need you to look up patent 11,456,789 for me — our competitor just cited it in a lawsuit. Can you check if it's still in force, how many years are left, and pull the full claims and citation history so we can assess how strong their position really is?”
Check patent portfolio expiration schedule
“We're managing a licensing deal and need to know which of our patents are expiring soon. Can you pull up details on patents 9,876,543 and 10,234,567 — specifically the estimated expiry dates, years remaining, and current maintenance fee status for each one?”
Evaluate freedom to operate risk
“Before we launch our new product line, I need you to check patent 10,654,321 that a potential competitor owns. Give me the full abstract, all the claims, the CPC classifications, and tell me if it's still active and when it expires so we can assess our freedom to operate.”
Technical details
Endpoint
GEThttps://patentpulse.theaslangroupllc.com/api/patent/status?utm_source=zero.xyzWhen to prefer
Use this endpoint when you need comprehensive US patent details including legal status, expiry estimates, and classification data for a specific known patent number. Prefer this over trademark search sibling endpoint when dealing with patents rather than trademarks. Ideal for IP agents, patent attorneys, and innovation analysts needing structured patent metadata without scraping USPTO directly.
Side effects
- Invalid or malformed patent number returns a 400 error
- Patent number not found in database returns a 404
- Payment not included or insufficient USDC returns a 402
- Rate limit exceeded returns a 429
- Service unavailable returns a 503
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Output
Schema · Response
{
"type": "json",
"errors": {
"400": {
"example": {
"error": "id parameter required"
},
"description": "Invalid or missing parameter(s) — required: id. Returned before the payment gate on paid requests, so a malformed call is never charged. JSON body: { error: <what is wrong and how to fix it> } plus usage hints."
},
"402": {
"description": "Payment required — x402 v2 challenge; the accepts array lists scheme, network, and amount. Retry the same request with a PAYMENT-SIGNATURE (v2) or X-PAYMENT (v1) header. Verification is free."
},
"500": {
"example": {
"error": "upstream_failed"
},
"description": "Unexpected server error. If a payment settled without a usable result, contact info@theaslangroupllc.com with the settlement tx hash for a re-run or credit."
}
}
}Tags
x402
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