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api.govparse.io assignees search
https://api.govparse.io/v1/patents/assignees/search
payable
Which companies are new to patenting, and in what technology? Search patent assignee ORGANIZATIONS (entity-resolved), each with first/last grant date, patent count, distinct CPC subclasses, and inventor count. new_assignee=true isolates orgs with their first-ever US patent grant (emerging/stealth signal for VC deal sourcing and corp-dev); narrow by CPC subclass, state/country, first-grant window,
We sent a real
GET request to this endpoint and it
answered 402 with payment requirements we could parse.
- Price
- $1.25
- Network
- base
- Pay to
- 0x3873d15CF3209c32aaA8d9AA542164E658567129
- Spec dialect
- v2 (declares x402Version 2)
- Transport
- PAYMENT-REQUIRED header
- HTTP method
- GET
- Response latency
- 256 ms
- Payment options
- 2 usable of 2
- Last checked
- 2026-08-10T09:18:47.676Z (1d ago)
- Category
- search
Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fapi.govparse.io%2Fv1%2Fpatents%2Fassignees%2Fsearch"