USPTO patent grants

Granted US patents, resolved to assignee entities.

Base URL: https://api.clous.ai
Auth: Authorization: Bearer clous_live_...

GET /v1/uspto-patent-grants

Results are returned through the standard response envelope and are cursor-paginated.

Query parameters

Prop

Type

Example request

curl -s "https://api.clous.ai/v1/uspto-patent-grants?limit=3" \
  -H "Authorization: Bearer clous_live_..."

import requests
resp = requests.get(
    "https://api.clous.ai/v1/uspto-patent-grants",
    params={"limit":"3"},
    headers={"Authorization": "Bearer clous_live_..."},
)
data = resp.json()

const resp = await fetch(
  "https://api.clous.ai/v1/uspto-patent-grants?limit=3",
  { headers: { Authorization: "Bearer clous_live_..." } },
);
const data = await resp.json();

Example response

{
  "data": [
    {
      "patent_number": "D1127451",
      "grant_date": "2026-05-26",
      "grant_year": 2026,
      "application_number": "29959616",
      "application_date": "2024-08-27",
      "title": "Shoe bench with drawers",
      "kind_code": "S1",
      "publication_country": "US",
      "claims_count": 1,
      "assignee_name": "Wuxi Housetex Industries Co., Ltd.",
      "assignee_normalized": "wuxi housetex industries co",
      "assignee_city": "Wuxi",
      "assignee_state": null,
      "assignee_country": "CN",
      "assignee_count": 1,
      "inventor_count": 1,
      "cpc_codes": null,
      "ipc_codes": null,
      "assignees_json": "[{\"role\": null, \"org_name\": \"Wuxi Housetex Industries Co., Ltd.\", \"address_city\": \"Wuxi\", \"address_state\": null, \"address_country\": \"CN\", \"is_organization\": true, \"person_last_name\": null, \"person_first_name\": null, \"org_normalized_name\": \"wuxi housetex industries co\"}]",
      "inventors_json": "[{\"last_name\": \"Tang\", \"first_name\": \"Hongyan\", \"address_city\": \"Wuxi\", \"address_state\": null, \"address_country\": \"CN\"}]",
      "source_archive_week": "260526",
      "last_observed_at": "2026-05-28T00:54:44"
    },
    {
      "patent_number": "D1127450",
      "grant_date": "2026-05-26",
      "grant_year": 2026,
      "application_number": "29995535",
      "application_date": "2025-03-27",
      "title": "Desk",
      "kind_code": "S1",
      "publication_country": "US",
      "claims_count": 1,
      "assignee_name": "Hangzhou Aojia Technology Co., Ltd.",
      "assignee_normalized": "hangzhou aojia technology co",
      "assignee_city": "Hangzhou City",
      "assignee_state": null,
      "assignee_country": "CN",
      "assignee_count": 1,
      "inventor_count": 1,
      "cpc_codes": null,
      "ipc_codes": null,
      "assignees_json": "[{\"role\": null, \"org_name\": \"Hangzhou Aojia Technology Co., Ltd.\", \"address_city\": \"Hangzhou City\", \"address_state\": null, \"address_country\": \"CN\", \"is_organization\": true, \"person_last_name\": null, \"person_first_name\": null, \"org_normalized_name\": \"hangzhou aojia technology co\"}]",
      "inventors_json": "[{\"last_name\": \"Zheng\", \"first_name\": \"Hongbing\", \"address_city\": \"Hangzhou\", \"address_state\": null, \"address_country\": \"CN\"}]",
      "source_archive_week": "260526",
      "last_observed_at": "2026-05-28T00:54:44"
    }
  ],
  "page": {
    "limit": 3,
    "next_cursor": "MjAyNjA1MjZ8RDExMjc0NDk",
    "has_more": true
  },
  "as_of": "2026-06-13T16:27:36.099314Z",
  "source": "uspto_patent_grants",
  "query_echo": {
    "limit": 3
  },
  "warnings": []
}

Status codes

Status	Meaning
`200`	Success. An empty result still returns `200` with `data: []` and a `warnings` entry.
`401`	Missing or invalid API key.
`402`	Out of credits.
`404`	No record for the supplied path parameter.
`422`	Validation error — a parameter was the wrong type or out of range.
`429`	Rate limited.

All data derives from public SEC EDGAR (and, where noted, FINRA IAPD / USPTO) filings. Clous is independent of the SEC.

USPTO patent grants

USPTO patent grants

Query parameters

Example request

Example response

Status codes

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