Google Patents Search

If you already know that you want to use Google Patents Search, this page is the one you should read. It shows the required input, the filters you can apply, how pagination works, and what localization controls are available.

At a Glance

Field	Value
Name	Google Patents Search
Scraper	`google_patents_search`
Engine	`google_patents_search`
Website	Google
Website URL	patents.google.com
Output Format	`json`
Version	`1.0.0`
Parameter Count	`3`
Parameter Groups	Search Query (1), Pagination (2)

Request Example

This is the real request body used to validate google_patents_search during this docs refresh. For /v1/serp, the engine field should be the engine's scraper value.

curl -X POST "https://run.xcrawl.com/v1/serp" \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"engine":"google_patents_search","q":"artificial intelligence"}'

Response Example

The JSON below comes from the same live response. Long strings, data URLs, and large arrays were shortened so the example stays readable.

{
  "search_metadata": {
    "cached": true,
    "created_at": "2026-03-26 08:20:38 UTC",
    "id": "01KMMKNX7VAPA70WJ7NAX4WE80",
    "json_endpoint": "https://serp.xcrawl.com/01KMMKNX7VAPA70WJ7NAX4WE80.json",
    "processed_at": "2026-03-26 08:20:38 UTC",
    "raw_html_file": "https://serp.xcrawl.com/01KMMKNX7VAPA70WJ7NAX4WE80.html",
    "status": "completed",
    "total_time_taken": 16
  },
  "search_parameters": {
    "engine": "google_patents_search",
    "q": "artificial intelligence"
  },
  "total_credits_used": 1,
  "organic_results": [
    {
      "entity_matches": {
        "additional": 0
      },
      "id": "patent/US11074495B2/en",
      "is_similar_document": false,
      "measure_matches": {},
      "patent": {
        "assignee": "Z Advanced Computing, Inc. (Zac)",
        "family_metadata": {
          "aggregated": {
            "country_status": [
              {
                "best_patent_stage": {
                  "state": "ACTIVE"
                },
                "country_code": "US"
              }
            ]
          }
        },
        "figures": [
          {
            "full": "32/26/a3/7b3b4626d20225/US11074495-20210727-D00000.png",
            "thumbnail": "d6/ac/34/e8551252c789ac/US11074495-20210727-D00000.png"
          },
          {
            "_note": "337 more items omitted"
          }
        ],
        "filing_date": "2018-03-12",
        "grant_date": "2021-07-27",
        "inventor": "Lotfi A. Zadeh",
        "_note": "8 more fields omitted"
      },
      "rank": 0
    },
    {
      "_note": "9 more items omitted"
    }
  ],
  "summary": {
    "assignee": [
      {
        "frequency": [
          {
            "key": "2025-2028",
            "value": 24
          },
          {
            "_note": "3 more items omitted"
          }
        ],
        "key": "Total",
        "value": 1000
      },
      {
        "_note": "19 more items omitted"
      }
    ],
    "cpc": [
      {
        "frequency": [
          {
            "key": "2025-2028",
            "value": 24
          },
          {
            "_note": "3 more items omitted"
          }
        ],
        "key": "Total",
        "value": 1000
      },
      {
        "_note": "19 more items omitted"
      }
    ],
    "inventor": [
      {
        "frequency": [
          {
            "key": "2025-2028",
            "value": 24
          },
          {
            "_note": "3 more items omitted"
          }
        ],
        "key": "Total",
        "value": 1000
      },
      {
        "_note": "19 more items omitted"
      }
    ]
  }
}

Required Parameters

If you are sending your first request with this engine, start here. Requiredness is based on properties.<field>.must, not the top-level required array.

Field	Type	Group	Description
`q`	`string`	Search Query	The keyword or phrase you want this search engine to look up.

Available Parameters

The sections below follow the same parameter groups as the backend, but the field descriptions have been rewritten into shorter, user-facing wording so they are easier to scan.

Search Query

Field	Type	Required	Description
`q`	`string`	Yes	The keyword or phrase you want this search engine to look up.

Pagination

Field	Type	Required	Description
`num`	`number`	No	Requested number of results to return.
`page`	`number`	No	Page number used by this engine.

Additional Constraints

num：Default: 10
page：Default: 1

SERP

Engines