Patent & IP Risk

Google Patent Search

Google Patent Search public data API.

MCP tool name

nexscope_google_patent_search

MCP endpoint

https://api.nexscope.ai/api/skill-api/v2/mcp

JSON-RPC method

tools/call

Authentication

Use OAuth 2.1 Authorization Code with PKCE and the mcp:tools scope. API keys remain supported as a compatibility option.

Authorization: Bearer nk-xxxxxxxxxxxxxxxxx

If authentication fails, ask the user to open API Access and copy a valid key.

Call this MCP tool

Initialize an MCP 2025-11-25 Streamable HTTP session at https://api.nexscope.ai/api/skill-api/v2/mcp, then use tools/call.

{
  "jsonrpc": "2.0",
  "id": "google-patent-search-1",
  "method": "tools/call",
  "params": {
    "name": "nexscope_google_patent_search",
    "arguments": {
      "num": 10,
      "page": 1,
      "q": "wireless earbuds"
    }
  }
}

MCP 2025-11-25 · Streamable HTTP

Progress is delivered on the original POST SSE response. GET SSE carries notifications; reconnecting must query existing asynchronous work rather than submit again.

Arguments

Name	Type	Required	Description
`q`	`string`	required	Patent search query, maximum 1000 characters Example: wireless earbuds
`num`	`integer`	optional	Results per page, from 10 to 100 Example: 10
`page`	`integer`	optional	Page number, starting at 1 Example: 1
`country`	`string`	optional	Country codes separated by English commas, such as US,CN,WO Example: {}
`language`	`string`	optional	Google Patents language values separated by English commas Example: {}
`before`	`string`	optional	Upper date boundary such as filing:20260101 Example: {}
`after`	`string`	optional	Lower date boundary such as filing:20200101 Example: {}
`sort`	`string`	optional	Sort order: new or old Example: {}
`type`	`string`	optional	Document type: PATENT or DESIGN Example: {}
`status`	`string`	optional	Document status: GRANT or APPLICATION Example: {}
`patents`	`boolean`	optional	Include patent results Example: true
`scholar`	`boolean`	optional	Include scholar results Example: false
`litigation`	`string`	optional	Litigation filter: YES or NO Example: {}
`inventor`	`string`	optional	Inventor names separated by English commas Example: {}
`assignee`	`string`	optional	Assignee names separated by English commas Example: {}
`clustered`	`boolean`	optional	Cluster results by classification when supplied; only true is supported Example: {}
`dups`	`string`	optional	Omit for patent-family deduplication; language selects publication-text deduplication Example: {}

Response fields

Treat structuredContent as the programmatic API response payload.

Name	Type	Required	Description
`code`	`integer`	required	0 means accepted or successful; nonzero is a platform error.
`cost`	`string`	required	Elapsed milliseconds, never credits; -1 outside web requests.
`data`	`any`	required	Data value used by this API operation.
`msg`	`string \| null`	required	Msg value used by this API operation.
`time`	`string`	required	Server local time: yyyy-MM-dd HH:mm:ss.
`traceId`	`string \| null`	required	Trace id value used by this API operation.
`ts`	`string`	required	Epoch milliseconds.

Any of option 1 — requires results

Name	Type	Required	Description
`data`	`object`	required	Data value used by this API operation.
`data.pagination`	`object`	optional	Pagination value used by this API operation.
`data.results`	`array`	required	Results value used by this API operation.
`data.results[]`	`object`	required	Item in data results.
`data.searchInformation`	`object`	optional	Search information value used by this API operation.
`data.summary`	`object`	optional	Summary value used by this API operation.

Any of option 2

Name	Type	Required	Description
`data`	`null`	required	Data value used by this API operation.

Examples

Example arguments

{
  "num": 10,
  "page": 1,
  "q": "wireless earbuds"
}

Example structuredContent

{
  "code": 0,
  "cost": "-1",
  "data": {
    "results": [],
    "summary": {
      "cpc": [
        {
          "key": "Total",
          "percentage": 100
        }
      ]
    }
  },
  "msg": null,
  "time": "2026-01-01 00:00:00",
  "traceId": null,
  "ts": "0"
}