# Google Patents API

> Google Patents returns patent search results, patent details, and company patent summaries as a workflow and API.

Google Patents searches patents by invention description, with optional assignee, inventor, country, filing-date, and publication-stage filters. Get patent returns details for one public patent or published application; enter its number, title, or Google Patents link. List company patents summarizes a company’s public patents by filing year, technology, inventor, and recent records; enter a company.

- Page: https://fous.com/tools/google-patents
- Handle: `@google-patents`
- Category: [Legal](https://fous.com/tools/category/legal)
- Source website: https://patents.google.com
- Last verified: Sep 29, 2026

## Methods

### Get patent

Operation `get_patent`, version 1. 1 credit per completed call. Failed calls without a completed billing receipt are free; completed work can remain charged if delivery is interrupted.

Get the details of one public patent or published application by number, title, or Google Patents link. A title selects the closest matching result; citations and claims are capped.

**Input**

| Field | Type | Required | Example | Description |
|---|---|---|---|---|
| `patent` | string | yes | `"US 10,000,000"` | Patent or publication number, title, or Google Patents link, for example US 10,000,000. |

**Input schema**

```json
{
  "type": "object",
  "required": [
    "patent"
  ],
  "properties": {
    "patent": {
      "type": "string",
      "description": "Patent or publication number, title, or Google Patents link, for example US 10,000,000.",
      "examples": [
        "US 10,000,000",
        "EP1234567",
        "https://patents.google.com/patent/US20160266243A1/en"
      ]
    }
  },
  "additionalProperties": false,
  "examples": [
    {
      "patent": "US 10,000,000"
    },
    {
      "patent": "EP1234567"
    },
    {
      "patent": "https://patents.google.com/patent/US20160266243A1/en"
    }
  ]
}
```

**Output**

| Field | Type | Example | Description |
|---|---|---|---|
| `title` | string | `"Coherent LADAR using intra-pixel quadrature detection"` | Patent title. |
| `claims` | array |  | Up to 100 numbered claims in plain text. |
| `claims[].text` | string | `"The system according to claim 1 , wherein the two-dimensional array of detector elements comprises a large format array` |  |
| `claims[].number` | integer | `1` |  |
| `status` | string or null | `"Active"` | Stated legal status in words. |
| `abstract` | string or null | `"Particulate composite material with an average particle size of 20 to 50 µm and a maximum content of particles with a s` | Patent abstract. |
| `pdf_link` | string or null | `"https://patentimages.storage.googleapis.com/c0/d5/f7/86ad5b42759506/US10000000.pdf"` | PDF download link, when listed. |
| `inventors` | array |  | Inventor names. |
| `grant_date` | string or null | `"2018-06-19"` | Grant date, YYYY-MM-DD, if granted. |
| `claim_count` | integer | `20` | Total claim count. |
| `filing_date` | string or null | `"2015-03-10"` | Filing date, YYYY-MM-DD. |
| `patent_link` | string | `"https://patents.google.com/patent/US10000000B2/en"` | Google Patents page link. |
| `patent_number` | string | `"US10000000B2"` | Publication number. |
| `patents_cited` | array |  | Up to 50 patents cited by this patent. |
| `patents_cited[].title` | string or null | `"Electronically phased detector arrays for optical imaging"` | Title of cited patent. |
| `patents_cited[].assignee` | string or null | `"Hughes Aircraft Company"` | Original assignee listed for the patent. |
| `patents_cited[].patent_link` | string | `"https://patents.google.com/patent/US5093563A/en"` | Google Patents page link. |
| `patents_cited[].patent_number` | string | `"US5093563A"` | Publication number. |
| `priority_date` | string or null | `"2015-03-10"` | Earliest stated priority date, YYYY-MM-DD. |
| `family_members` | array |  | Family member publications and authorities. |
| `family_members[].country` | string | `"US"` | Country or patent authority. |
| `family_members[].patent_link` | string | `"https://patents.google.com/patent/US10000000B2/en"` | Google Patents page link. |
| `family_members[].patent_number` | string | `"US10000000B2"` | Family member publication number. |
| `classifications` | array |  | Classifications and their plain-language descriptions. |
| `classifications[].cpc_code` | string or null | `"G"` | CPC classification code, when available. |
| `classifications[].description` | string | `"PHYSICS"` | Plain-language classification description. |
| `publication_date` | string or null | `"2018-06-19"` | Publication date, YYYY-MM-DD. |
| `current_assignees` | array |  | Current assignees. |
| `patents_citing_it` | array |  | Up to 50 patents citing this patent. |
| `patents_citing_it[].title` | string or null | `"Coherent LADAR using intra-pixel quadrature detection"` | Title of cited patent. |
| `patents_citing_it[].assignee` | string or null | `"Raytheon Company"` | Original assignee listed for the patent. |
| `patents_citing_it[].patent_link` | string | `"https://patents.google.com/patent/US10845468B2/en"` | Google Patents page link. |
| `patents_citing_it[].patent_number` | string | `"US10845468B2"` | Publication number. |
| `original_assignees` | array |  | Original assignees. |
| `anticipated_expiration_date` | string or null | `"2036-05-13"` | Stated expected expiration date, YYYY-MM-DD. |

**Example input**

```json
{
  "patent": "US 10,000,000"
}
```

**Example output**

```json
{
  "title": "Coherent LADAR using intra-pixel quadrature detection",
  "claims": [
    {
      "text": "A laser detection and ranging (LADAR) system, comprising: a two-dimensional array of detector elements, each detector element within the array including: a photosensitive region configured to receive …",
      "number": 1
    }
  ],
  "status": "Active",
  "abstract": "A frequency modulated (coherent) laser detection and ranging system includes a read-out integrated circuit formed with a two-dimensional array of detector elements each including a photosensitive regi…",
  "pdf_link": "https://patentimages.storage.googleapis.com/c0/d5/f7/86ad5b42759506/US10000000.pdf",
  "inventors": [
    "Joseph Marron"
  ],
  "grant_date": "2018-06-19",
  "claim_count": 20,
  "filing_date": "2015-03-10",
  "patent_link": "https://patents.google.com/patent/US10000000B2/en",
  "patent_number": "US10000000B2",
  "patents_cited": [
    {
      "title": "Electronically phased detector arrays for optical imaging",
      "assignee": "Hughes Aircraft Company",
      "patent_link": "https://patents.google.com/patent/US5093563A/en",
      "patent_number": "US5093563A"
    }
  ],
  "priority_date": "2015-03-10",
  "family_members": [
    {
      "country": "US",
      "patent_link": "https://patents.google.com/patent/US10000000B2/en",
      "patent_number": "US10000000B2"
    }
  ],
  "classifications": [
    {
      "cpc_code": "G",
      "description": "PHYSICS"
    }
  ],
  "publication_date": "2018-06-19",
  "current_assignees": [
    "Raytheon Co"
  ],
  "patents_citing_it": [
    {
      "title": "Coherent LADAR using intra-pixel quadrature detection",
      "assignee": "Raytheon Company",
      "patent_link": "https://patents.google.com/patent/US10845468B2/en",
      "patent_number": "US10845468B2"
    }
  ],
  "original_assignees": [
    "Raytheon Co"
  ],
  "anticipated_expiration_date": "2036-05-13"
}
```

### List company patents

Operation `list_company_patents`, version 1. 1 credit per completed call. Failed calls without a completed billing receipt are free; completed work can remain charged if delivery is interrupted.

Summarize a company’s public patents by filing year, technology area, inventor, and recent patent. Breakdowns use up to 50 most recent records rather than 500 because patent classifications require individual records. Status describes publication stage, not current legal status.

**Input**

| Field | Type | Required | Example | Description |
|---|---|---|---|---|
| `topic` | string | no | `"battery"` | Words to narrow the portfolio, for example battery. |
| `company` | string | yes | `"Siemens"` | Company or assignee name, for example Apple or Siemens. |
| `max_recent` | integer | no | `5` | Maximum number of recent patents, for example 20. |
| `filed_after` | string | no | `"2024-01-01"` | First filing date to include, for example 2020-01-01. Defaults to ten years before today. |
| `filed_before` | string | no | `"2024-01-31"` | Last filing date to include, for example 2024-12-31. Defaults to today. |

**Input schema**

```json
{
  "type": "object",
  "required": [
    "company"
  ],
  "properties": {
    "topic": {
      "type": "string",
      "default": "",
      "description": "Words to narrow the portfolio, for example battery.",
      "examples": [
        "battery"
      ]
    },
    "company": {
      "type": "string",
      "minLength": 1,
      "description": "Company or assignee name, for example Apple or Siemens.",
      "examples": [
        "Siemens",
        "Unlikely Company ZZQJXQ 932849",
        "Apple"
      ]
    },
    "max_recent": {
      "type": "integer",
      "default": 20,
      "maximum": 100,
      "minimum": 1,
      "description": "Maximum number of recent patents, for example 20.",
      "examples": [
        5,
        3
      ]
    },
    "filed_after": {
      "type": "string",
      "format": "date",
      "description": "First filing date to include, for example 2020-01-01. Defaults to ten years before today.",
      "examples": [
        "2024-01-01",
        "2024-12-01"
      ]
    },
    "filed_before": {
      "type": "string",
      "format": "date",
      "description": "Last filing date to include, for example 2024-12-31. Defaults to today.",
      "examples": [
        "2024-01-31",
        "2024-12-31"
      ]
    }
  },
  "additionalProperties": false,
  "examples": [
    {
      "topic": "battery",
      "company": "Siemens",
      "max_recent": 5,
      "filed_after": "2024-01-01",
      "filed_before": "2024-01-31"
    },
    {
      "company": "Unlikely Company ZZQJXQ 932849",
      "filed_after": "2024-01-01",
      "filed_before": "2024-01-31"
    },
    {
      "company": "Apple",
      "max_recent": 3,
      "filed_after": "2024-12-01",
      "filed_before": "2024-12-31"
    }
  ]
}
```

**Output**

| Field | Type | Example | Description |
|---|---|---|---|
| `company` | string | `"Siemens"` |  |
| `sample_size` | integer | `22` |  |
| `top_inventors` | array |  |  |
| `top_inventors[].name` | string | `"Michael Finkenzeller"` |  |
| `top_inventors[].count` | integer | `3` |  |
| `recent_patents` | array |  |  |
| `recent_patents[].link` | string | `"https://patents.google.com/patent/DE102024200907A1/en"` |  |
| `recent_patents[].title` | string | `"Land-based virtual spreading agent level indicator"` |  |
| `recent_patents[].number` | string | `"DE102024200907A1"` |  |
| `recent_patents[].status` | string | `"Published application"` |  |
| `recent_patents[].grant_date` | string or null |  |  |
| `recent_patents[].filing_date` | string or null | `"2024-01-31"` |  |
| `filings_per_year` | array |  |  |
| `filings_per_year[].year` | integer | `2024` |  |
| `filings_per_year[].count` | integer | `22` |  |
| `total_results_found` | integer | `22` |  |
| `top_technology_areas` | array |  |  |
| `top_technology_areas[].count` | integer | `5` |  |
| `top_technology_areas[].description` | string | `"Processes or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy"` |  |

**Example input**

```json
{
  "topic": "battery",
  "company": "Siemens",
  "max_recent": 5,
  "filed_after": "2024-01-01",
  "filed_before": "2024-01-31"
}
```

**Example output**

```json
{
  "company": "Siemens",
  "sample_size": 22,
  "top_inventors": [
    {
      "name": "Michael Finkenzeller",
      "count": 3
    },
    {
      "name": "Antonio de Rosa",
      "count": 1
    },
    {
      "name": "Antonio De Rosa",
      "count": 1
    }
  ],
  "recent_patents": [
    {
      "link": "https://patents.google.com/patent/DE102024200907A1/en",
      "title": "Land-based virtual spreading agent level indicator",
      "number": "DE102024200907A1",
      "status": "Published application",
      "grant_date": null,
      "filing_date": "2024-01-31"
    },
    {
      "link": "https://patents.google.com/patent/WO2024170278A1/en",
      "title": "Device for inductively charging a battery of a motor vehicle",
      "number": "WO2024170278A1",
      "status": "Published application",
      "grant_date": null,
      "filing_date": "2024-01-31"
    },
    {
      "link": "https://patents.google.com/patent/DE102024200908A1/en",
      "title": "Land-side virtual windshield washer fluid level indicator",
      "number": "DE102024200908A1",
      "status": "Published application",
      "grant_date": null,
      "filing_date": "2024-01-31"
    }
  ],
  "filings_per_year": [
    {
      "year": 2024,
      "count": 22
    }
  ],
  "total_results_found": 22,
  "top_technology_areas": [
    {
      "count": 5,
      "description": "Processes or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy"
    },
    {
      "count": 5,
      "description": "Electric power networks; circuit arrangements or systems for supplying or distributing electric power; systems for storing electric energy"
    },
    {
      "count": 4,
      "description": "Magnets; inductances; transformers; selection of materials for their magnetic properties"
    }
  ]
}
```

### Search patents

Operation `search_patents`, version 1. 1 credit per completed call. Failed calls without a completed billing receipt are free; completed work can remain charged if delivery is interrupted.

Find Google Patents about an invention, with optional inventor, assignee, country, filing-date and publication-stage filters. Legal status is the site’s estimate, not a legal conclusion.

**Input**

| Field | Type | Required | Example | Description |
|---|---|---|---|---|
| `page` | integer | no | `1` | Results page to return, for example 2. The first page is 1. |
| `sort` | string | no | `"newest"` | Result order, for example newest. |
| `query` | string | yes | `"battery temperature management"` | Describe the invention in plain words, for example wireless charging for electric cars. |
| `status` | string | no | `"granted"` | Publication stage, for example granted. Any includes both. |
| `company` | string | no | `"Tesla"` | Assignee company, for example Tesla. |
| `inventor` | string | no | `"John B Goodenough"` | Inventor name, for example John B Goodenough. |
| `countries` | array | no |  | Countries by name or two-letter code, for example ["United States", "Germany"]. Omit for all countries. |
| `filed_after` | string | no | `"2000-01-01"` | Earliest filing date, for example 2015-01-01. |
| `max_results` | integer | no | `5` | Number of patents to return, for example 20. Maximum 100. |
| `filed_before` | string | no | `"2025-01-01"` | Latest filing date, for example 2025-01-01. |

**Input schema**

```json
{
  "type": "object",
  "required": [
    "query"
  ],
  "properties": {
    "page": {
      "type": "integer",
      "default": 1,
      "minimum": 1,
      "description": "Results page to return, for example 2. The first page is 1.",
      "x-fous-developer": true,
      "examples": [
        1
      ]
    },
    "sort": {
      "enum": [
        "relevance",
        "newest",
        "oldest"
      ],
      "type": "string",
      "default": "relevance",
      "description": "Result order, for example newest.",
      "examples": [
        "newest",
        "oldest"
      ]
    },
    "query": {
      "type": "string",
      "description": "Describe the invention in plain words, for example wireless charging for electric cars.",
      "examples": [
        "battery temperature management",
        "zzzyyyxxxyyyunmatchedpatentthisstuff",
        "solar panel charging"
      ]
    },
    "status": {
      "enum": [
        "any",
        "granted",
        "application"
      ],
      "type": "string",
      "default": "any",
      "description": "Publication stage, for example granted. Any includes both.",
      "examples": [
        "granted",
        "application"
      ]
    },
    "company": {
      "type": "string",
      "description": "Assignee company, for example Tesla.",
      "examples": [
        "Tesla"
      ]
    },
    "inventor": {
      "type": "string",
      "description": "Inventor name, for example John B Goodenough.",
      "examples": [
        "John B Goodenough"
      ]
    },
    "countries": {
      "type": "array",
      "items": {
        "type": "string",
        "examples": [
          "United States",
          "US",
          "EP"
        ],
        "description": "Use the same format as these example values: \"United States\", \"US\", \"EP\"."
      },
      "description": "Countries by name or two-letter code, for example [\"United States\", \"Germany\"]. Omit for all countries.",
      "examples": [
        [
          "United States"
        ],
        [
          "US",
          "EP"
        ]
      ]
    },
    "filed_after": {
      "type": "string",
      "format": "date",
      "description": "Earliest filing date, for example 2015-01-01.",
      "examples": [
        "2000-01-01"
      ]
    },
    "max_results": {
      "type": "integer",
      "default": 20,
      "maximum": 100,
      "minimum": 1,
      "description": "Number of patents to return, for example 20. Maximum 100.",
      "x-fous-developer": true,
      "examples": [
        5,
        3
      ]
    },
    "filed_before": {
      "type": "string",
      "format": "date",
      "description": "Latest filing date, for example 2025-01-01.",
      "examples": [
        "2025-01-01"
      ]
    }
  },
  "additionalProperties": false,
  "examples": [
    {
      "sort": "newest",
      "query": "battery temperature management",
      "status": "granted",
      "inventor": "John B Goodenough",
      "countries": [
        "United States"
      ],
      "filed_after": "2000-01-01",
      "max_results": 5,
      "filed_before": "2025-01-01"
    },
    {
      "query": "zzzyyyxxxyyyunmatchedpatentthisstuff",
      "max_results": 3
    },
    {
      "page": 1,
      "sort": "oldest",
      "query": "solar panel charging",
      "status": "application",
      "countries": [
        "US",
        "EP"
      ],
      "max_results": 5
    }
  ]
}
```

**Output**

| Field | Type | Example | Description |
|---|---|---|---|
| `patents` | array |  |  |
| `patents[].link` | string | `"https://patents.google.com/patent/US12322831B2/en"` |  |
| `patents[].title` | string or null | `"Electrolyte membrane for an alkali metal battery"` |  |
| `patents[].status` | string or null | `"Active"` |  |
| `patents[].assignee` | string or null | `"Enpower Greentech, Inc."` |  |
| `patents[].inventors` | array |  |  |
| `patents[].grant_date` | string or null | `"2025-06-03"` |  |
| `patents[].filing_date` | string or null | `"2021-09-27"` |  |
| `patents[].patent_number` | string | `"US12322831B2"` |  |
| `patents[].priority_date` | string or null | `"2020-09-28"` |  |
| `patents[].abstract_snippet` | string or null | `"The present disclosure relates to an electrolyte membrane for an alkali metal or an alkali metal ion battery, comprisin` |  |
| `patents[].publication_date` | string or null | `"2025-06-03"` |  |
| `patents[].thumbnail_image_link` | string or null | `"https://patentimages.storage.googleapis.com/76/0c/26/10bae5286c8678/US12322831-20250603-D00000.png"` |  |

**Example input**

```json
{
  "sort": "newest",
  "query": "battery temperature management",
  "status": "granted",
  "inventor": "John B Goodenough",
  "countries": [
    "United States"
  ],
  "filed_after": "2000-01-01",
  "max_results": 5,
  "filed_before": "2025-01-01"
}
```

**Example output**

```json
{
  "patents": [
    {
      "link": "https://patents.google.com/patent/US12322831B2/en",
      "title": "Electrolyte membrane for an alkali metal battery",
      "status": "Active",
      "assignee": "Enpower Greentech, Inc.",
      "inventors": [
        "John B. Goodenough"
      ],
      "grant_date": "2025-06-03",
      "filing_date": "2021-09-27",
      "patent_number": "US12322831B2",
      "priority_date": "2020-09-28",
      "abstract_snippet": "The present disclosure relates to an electrolyte membrane for an alkali metal or an alkali metal ion battery, comprising: a composite membrane comprising an ionically conductive polymer; an alkali met…",
      "publication_date": "2025-06-03",
      "thumbnail_image_link": "https://patentimages.storage.googleapis.com/76/0c/26/10bae5286c8678/US12322831-20250603-D00000.png"
    },
    {
      "link": "https://patents.google.com/patent/US11049667B2/en",
      "title": "Heat energy-powered electrochemical cells",
      "status": "Expired - Fee Related",
      "assignee": "Hydro-Quebec",
      "inventors": [
        "John B. Goodenough"
      ],
      "grant_date": "2021-06-29",
      "filing_date": "2020-09-01",
      "patent_number": "US11049667B2",
      "priority_date": "2017-10-12",
      "abstract_snippet": "The present disclosure provides a heat energy-powered electrochemical cell including an anode, a cathode, and a solid metal polymer/glass electrolyte. The solid metal polymer/glass electrolyte include…",
      "publication_date": "2021-06-29",
      "thumbnail_image_link": "https://patentimages.storage.googleapis.com/da/43/6e/105f6991d4c7c5/US11049667-20210629-D00000.png"
    }
  ]
}
```

## Quick start

Replace `YOUR_API_KEY` with a Fous API key. To create one, open Developers at the bottom of Fous Studio, turn on Developer mode, then go to API keys (https://app.fous.com/keys). Change the values in `input` to run the same tool on new data.

```bash
curl 'https://api.fous.com/v1/query' \
  --fail-with-body --silent --show-error --max-time 180 \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H 'Content-Type: application/json' \
  --data-raw '{
  "api": "@google-patents",
  "visibility": "public",
  "operation": "get_patent",
  "version": 1,
  "input": {
    "patent": "US 10,000,000"
  },
  "response": {
    "format": "json"
  }
}'
```

```python
# Save as fous.py and run with python3 fous.py. No packages needed.
import json
import urllib.error
import urllib.request

api_key = "YOUR_API_KEY"

body = json.loads("{\n  \"api\": \"@google-patents\",\n  \"visibility\": \"public\",\n  \"operation\": \"get_patent\",\n  \"version\": 1,\n  \"input\": {\n    \"patent\": \"US 10,000,000\"\n  },\n  \"response\": {\n    \"format\": \"json\"\n  }\n}")
request = urllib.request.Request(
    "https://api.fous.com/v1/query",
    data=json.dumps(body).encode("utf-8"),
    headers={
        "Authorization": f"Bearer {api_key}",
        "Content-Type": "application/json",
    },
    method="POST",
)
try:
    with urllib.request.urlopen(request, timeout=180) as response:
        result = json.load(response)
except urllib.error.HTTPError as error:
    raise RuntimeError(f"HTTP {error.code}: {error.read().decode('utf-8', errors='replace')}") from error
if result.get("success") is False:
    raise RuntimeError(result.get("error", {}).get("message", "Request failed"))
print(json.dumps(result["data"]["output"], indent=2))
```

```typescript
// Save as fous.mts and run with npx tsx fous.mts.
const apiKey = "YOUR_API_KEY";

const response = await fetch("https://api.fous.com/v1/query", {
  method: "POST",
  headers: {
    "Authorization": `Bearer ${apiKey}`,
    "Content-Type": "application/json",
  },
  signal: AbortSignal.timeout(180_000),
  body: JSON.stringify({
  "api": "@google-patents",
  "visibility": "public",
  "operation": "get_patent",
  "version": 1,
  "input": {
    "patent": "US 10,000,000"
  },
  "response": {
    "format": "json"
  }
}),
});
type ApiResult = { success: boolean; data?: { output: unknown }; error?: { message: string } };
const result: ApiResult = await response.json();
if (!response.ok || result.success === false) {
  throw new Error(result.error?.message ?? `HTTP ${response.status}`);
}
if (!result.data) throw new Error("Missing API response data");
console.log(result.data.output);
```

## Use from an AI assistant

Connect this tool to Claude Code, Claude Desktop, Cursor, VS Code, Codex and any MCP client as its own MCP server. Each method is a typed tool whose arguments are the method’s input.

- Server URL: `https://api.fous.com/mcp/tools/google-patents`
- Authorization: `Authorization: Bearer <Fous API key>`

**Tools**

- `get_patent`: Get patent. 1 credit per completed call. Failed calls without a completed billing receipt are free; completed work can remain charged if delivery is interrupted.
- `list_company_patents`: List company patents. 1 credit per completed call. Failed calls without a completed billing receipt are free; completed work can remain charged if delivery is interrupted.
- `search_patents`: Search patents. 1 credit per completed call. Failed calls without a completed billing receipt are free; completed work can remain charged if delivery is interrupted.
- `fous_get_run`: the result of a run that was still going, by its `request_id`. Free.

Claude Code:

```bash
claude mcp add --scope user --transport http fous-google-patents https://api.fous.com/mcp/tools/google-patents --header "Authorization: Bearer ${FOUS_API_KEY:?Set FOUS_API_KEY to your Fous API key}"
```

To give the assistant every tool, connect `https://api.fous.com/mcp`: it finds one with `fous_search_tools` and runs it with `fous_run_tool`. Setup for other clients: https://fous.com/llms-full.txt.

## Use cases

- Find patents related to an invention and filter results by country or date.
- Review a patent’s claims, citations, classifications, and family publications.
- Compare a company’s patent filings across years and technology areas.
- Identify frequent inventors in a company’s public patent records.
- Track recent public patents assigned to a company.

## FAQ

### Can I run it with my own inputs?

Yes. Change the inputs in Studio and press Run, or send new inputs from your code, or ask a connected AI assistant.

### Can I call this Google Patents tool as an API?

Yes. Send a POST request to /v1/query with your Fous API key and the inputs, and get JSON back.

### How much does it cost?

Each completed run costs 1 credit. Failed runs without a completed receipt are free; completed work can remain charged if delivery is interrupted. With pay as you go, a credit costs 1¢. Monthly plans cost less per credit.

### Do I need a Google Patents account?

No. You only need a Fous account.

### How current is the data?

Fous gets the data from patents.google.com when you run it. Some results are reused for up to 24 hours, and results that use your account or key are never reused. It was last verified on Sep 29, 2026.

### What patents match an invention description?

Search patents finds records using a plain-language invention description and optional filters.

### What claims and citations does a patent have?

Get patent returns up to 100 numbered claims and up to 50 patents cited by the specified patent.

### How many patents has a company filed by year?

List company patents summarizes filings by year, along with technology areas, top inventors, and recent records.

## Related

- [Espacenet API](https://fous.com/tools/espacenet.md): European Patent Office public patent search and family information.
- [Google Scholar API](https://fous.com/tools/google-scholar.md): Google Scholar provides papers, citing papers, ready-made citations and researcher profiles with metrics and up to 20 top-cited papers; public access may be temporarily limited.
- [Google Books API](https://fous.com/tools/google-books.md): Google Books searches books and provides book details, reader ratings, and local ebook prices when available; newest results sort by publication date.
- [Google Search API](https://fous.com/tools/google-search.md): Google Search returns public web, image, job, event, related-question, and autocomplete results in Google’s order, with answers and details when available; results may be fewer, omit information, or be empty.
- [PubMed API](https://fous.com/tools/pubmed.md): PubMed searches medical and life-science articles by topic and retrieves one article’s abstract and publication details; abstracts and free full-text links may be unavailable.
- [Google News API](https://fous.com/tools/google-news.md): Google News returns recent publisher articles, up to 100 per search, current top stories by topic, country, and language, and local stories by city or region when available.
- [USPTO API](https://fous.com/tools/uspto.md): USPTO provides U.S. trademark records, name searches for matching filings, and current status and prosecution history for selected marks.
- [Forbes API](https://fous.com/tools/forbes.md): Forbes provides business news, real-time billionaire rankings and wealth that can change during the trading day, plus ranked Global 2000 companies with financial figures and company profiles.
- [All Legal tools](https://fous.com/tools/category/legal)