Recorded ownership transfers (assignments) for one patent application — pass the
Recorded ownership transfers (assignments) for one patent application — pass the `{application}` number. Each carries the reel/frame, conveyance text, received & recorded dates, assignors, assignees (with location), and the recorded-document link. A patent sale, collateral pledge, or M&A signal the price/filing feeds miss. Source: USPTO. From x402stock, a market & economic data API (x402, USDC).
Paid test badge: not yet. The checks above are free: we call the tool without paying and read the payment request it sends back. The Verified badge needs paid calls whose answers match the promised output, and nobody can buy a badge.
Endpoint
GET https://agents.x402stock.xyz/api/v1/patent/:application/assignments
| Category | Market data |
|---|---|
| Provider host | agents.x402stock.xyz |
| Networks | eip155:8453 |
| Payment schemes | exact |
| Self-reported calls, 30 days | 4 from 2 payers (the provider's figure, not ours) |
Our checks, last 30 days
We never call tools that send, buy, move money or file anything, not even without paying.
Example input (from the provider)
{
"method": "GET",
"queryParams": {},
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET",
"HEAD",
"DELETE"
],
"type": "string"
},
"pathParams": {
"application": {
"type": "string"
},
"type": "object"
},
"queryParams": {
"properties": {},
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}