Google Research Tools

Google Patent Search

Search Google patent and related scholarly records with structured results, pagination details, and search summaries. Available via REST API or MCP.

MCP tool name

nexscope_google_patent_search

MCP endpoint

https://api.nexscope.ai/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/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
`errcode`	`integer`	optional	`200` indicates success. Example: {}
`errmsg`	`string`	optional	`ok` indicates success, otherwise it is an error description. Example: {}
`organicResults`	`array`	optional	List of patent search results. Example: {}
`searchParameters`	`object`	optional	Echoed query parameters (`q`/`engine`/`num`/`patents`/`page`/`scholar`, etc.). Example: {}
`searchInformation`	`object`	optional	Retrieve meta information, including `total_results` (total number of hits), `total_pages` (total number of pages), `page_number` (current page). Example: {}
`searchMetadata`	`object`	optional	Retrieve processing metadata. Example: {}
`pagination`	`object`	optional	Paging information (`next`, `current`). Example: {}
`serpapiPagination`	`object`	optional	Upstream paging information. Example: {}
`summary`	`object`	optional	Result summary (including `cpc` classification aggregation, etc., only part of it is returned during classification aggregation). Example: {}
`costToken`	`integer`	optional	Consume token. Example: {}
`message`	`string`	optional	Upstream prompt information; successful but may appear under special circumstances. Most successful responses do not contain this field. Example: {}
`publicationNumber`	`string`	optional	Public account. Example: {}
`patentId`	`string`	optional	Patent ID. Example: {}
`title`	`string`	optional	Patent or academic result titles. Example: {}
`snippet`	`string`	optional	Abstracts of patent or academic results. Example: {}
`inventor`	`string`	optional	Inventor. Example: {}
`assignee`	`string`	optional	Assignee. Example: {}
`filingDate`	`string`	optional	Application date. Example: {}
`publicationDate`	`string`	optional	Publication or release date. Example: {}
`grantDate`	`string`	optional	Authorization date. Example: {}
`priorityDate`	`string`	optional	Priority date. Example: {}
`language`	`string`	optional	Patent language. Example: {}
`cpc`	`string`	optional	Collaborative patent classification (returned only when classification is aggregated). Example: {}
`cpcDescription`	`string`	optional	Description of cooperative patent classification. Example: {}
`countryStatus`	`object`	optional	The legal status of each country. Example: {}
`position`	`integer`	optional	Search result location. Example: {}
`rank`	`integer`	optional	Result ranking (may differ from `position` when aggregated). Example: {}
`patentLink`	`string`	optional	Google Patents patent link. Example: {}
`pdf`	`string`	optional	Patent PDF link. Example: {}
`thumbnail`	`string`	optional	Patent thumbnail. Example: {}
`figures`	`array`	optional	Patent image list, elements containing `thumbnail`, `full`. Example: {}
`scholar`	`boolean`	optional	Whether it is a Google Scholar result. Example: {}
`scholarId`	`string`	optional	Scholar result ID. Example: {}
`scholarLink`	`string`	optional	Google Scholar results link. Example: {}
`author`	`string`	optional	Scholar result author. Example: {}
`authorEtal`	`boolean`	optional	Whether the Scholar result contains three or more authors. Example: {}
`publicationVenue`	`string`	optional	Scholar results publication venue. Example: {}
`urlHostname`	`string`	optional	Scholar result source domain name. Example: {}
`serpapiLink`	`string`	optional	Result details API link. Example: {}

Examples

Example arguments

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

Example structuredContent

{
  "code": 0,
  "cost": "-1",
  "data": {},
  "msg": null,
  "time": "2026-01-01 00:00:00",
  "traceId": null,
  "ts": "0"
}