Patent & IP Risk

Zhihuiya Utility Patent Image Search

Perform visual similarity search for utility model patents using an image URL, with filtering by country, legal status, date ranges, and assignee. Supports utility model patents only (type U) with shape-only or shape+pattern+color matching models. For design patents, use ecommerce.zhihuiya-patent-image-search instead.

MCP tool name

nexscope_zhihuiya_utility_patent_image_search

Legacy MCP endpoint

/api/skill-api/v1/mcp

JSON-RPC method

tools/call

Authentication

Send the user API key as a bearer token on every MCP JSON-RPC request.

Authorization: Bearer nk-xxxxxxxxxxxxxxxxx

If authentication is missing or invalid, ask the user to open API Access and copy a valid key before calling this tool.

Call this MCP tool

Use tools/call with the MCP tool name below. The arguments object should match the table on this page.

{
  "jsonrpc": "2.0",
  "id": "zhihuiya-utility-patent-image-search-1",
  "method": "tools/call",
  "params": {
    "name": "nexscope_zhihuiya_utility_patent_image_search",
    "arguments": {
      "stemming": 0,
      "offset": 0,
      "country": "US",
      "url": "https://m.media-amazon.com/images/I/719mRAn2VrL._AC_SL1500_.jpg",
      "patentType": "U",
      "model": 4,
      "preFilter": 1,
      "isHttps": 0,
      "limit": 10
    }
  }
}

Legacy endpoint

POST /api/skill-api/v1/mcp

Canonical detail URL

https://www.nexscope.ai/mcp-map/zhihuiya-utility-patent-image-search

Arguments

Name	Type	Required	Description
`url`	`string`	required	Image URL (maximum 1,000 characters) Example: https://m.media-amazon.com/images/I/719mRAn2VrL._AC_SL1500_.jpg
`patentType`	`string`	required	Patent type: U for a utility model patent. Default: U Example: U
`model`	`integer`	required	Image-search model. Design patents: 1 (smart association, recommended) or 2 (search this image). Utility model patents: 3 (match shape) or 4 (match shape, pattern, and color; recommended) Example: 4
`country`	`string`	optional	Patent authority codes for countries, organizations, or regions, separated by commas, for example CN,US,JP. Omit to search all patent authorities Example: {}
`loc`	`string`	optional	LOC classifications (Locarno classification numbers). Join multiple classifications with AND, OR, or NOT Example: {}
`legalStatus`	`string`	optional	Comma-separated patent legal-status codes. Values: 1 (published), 2 (substantive examination), 3 (granted), 8 (duplicate-grant avoidance), 11 (withdrawn), 12 (withdrawn-unspecified), 17 (deemed withdrawn), 18 (voluntarily withdrawn), 13 (rejected), 14 (fully revoked), 15 (expired), 16 (annual fee unpaid), 21 (rights restored), 22 (rights terminated), 23 (partially invalid), 24 (application terminated), 30 (abandoned), 19 (deemed abandoned), 20 (voluntarily abandoned), 25 (abandoned-unspecified), 222 (PCT did not enter designated state within designation period), 223 (PCT entered designated state within designation period), 224 (PCT entered designated state after designation period), and 225 (PCT did not enter designated state after designation period) Example: {}
`simpleLegalStatus`	`string`	optional	Comma-separated simplified patent legal-status codes. Values: 0 (inactive), 1 (active), 2 (pending), 220 (PCT designation period expired), 221 (within PCT designation period), and 999 (unconfirmed) Example: {}
`assignees`	`string`	optional	Applicant or patent owner (maximum 1,000 characters) Example: {}
`applyStartTime`	`string`	optional	Patent application start date in yyyyMMdd format Example: {}
`applyEndTime`	`string`	optional	Patent application end date in yyyyMMdd format Example: {}
`publicStartTime`	`string`	optional	Patent publication start date in yyyyMMdd format Example: {}
`publicEndTime`	`string`	optional	Patent publication end date in yyyyMMdd format Example: {}
`limit`	`integer`	optional	Number of patents to return, from 1 to 100. Default: 10 Example: 10
`offset`	`integer`	optional	Result offset, from 0 to 1,000. Default: 0 Example: 0
`field`	`string`	optional	Result sort field: SCORE (relevance), APD (application date), PBD (publication date), or ISD (grant date). Default: SCORE Example: {}
`order`	`string`	optional	Available when field is APD, PBD, or ISD: desc (descending) or asc (ascending). Default: desc Example: {}
`lang`	`string`	optional	Preferred title language: original (original patent title), cn (Chinese-translated title), or en (English-translated title). Default: original Example: {}
`preFilter`	`integer`	optional	Whether to enable country/LOC pre-filtering: 1 for enabled and 0 for disabled. Default: 1 Example: 1
`stemming`	`integer`	optional	Whether to enable stemming: 1 for enabled and 0 for disabled. Default: 0 Example: 0
`mainField`	`string`	optional	Primary patent fields, including title, abstract, claims, specification, publication number, application number, applicant, inventor, and IPC/UPC/LOC classifications (maximum 1,000 characters) Example: {}
`includeMachineTranslation`	`boolean`	optional	Include machine-translated data in the search Example: false
`scoreExpansion`	`boolean`	optional	Score expansion Example: false
`isHttps`	`integer`	optional	Whether to return images over HTTPS: 1 for HTTPS and 0 for HTTP. Default: 0 Example: 0
`returnImgId`	`boolean`	optional	Whether to return img_id. Default: false Example: false

Response fields

Treat structuredContent as the programmatic API response payload.

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

Any of option 1

Name	Type	Required	Description
`data`	`object`	required	Data value used by this API operation.
`data.total`	`integer`	optional	Number of records returned in this response Example: 1
`data.allRecordsCount`	`integer`	optional	Total number of matching records in the database Example: 1
`data.data`	`array`	optional	Matching patent records Example: []
`data.data[]`	`object`

Examples

Example arguments

{
  "stemming": 0,
  "offset": 0,
  "country": "US",
  "url": "https://m.media-amazon.com/images/I/719mRAn2VrL._AC_SL1500_.jpg",
  "patentType": "U",
  "model": 4,
  "preFilter": 1,
  "isHttps": 0,
  "limit": 10
}

Example structuredContent

{
  "data": {
    "total": 1,
    "allRecordsCount": 1,
    "data": [
      {
        "patentId": "example-id",
        "url": "https://example.com/image.jpg",
        "score": 1,
        "loc": [],
        "locMatch": 1,
        "apdt": 1,
        "pbdt": 1,
        "imgId": "example-id"
      }
    ],
    "columns": [],
    "costToken": 1
  },
  "code": 0,
  "msg": null,
  "ts": "0",
  "time": "2026-01-01 00:00:00",
  "cost": "-1",
  "traceId": null
}

Zhihuiya Utility Patent Image Search

Zhihuiya Utility Patent Image Search

Authentication

Call this MCP tool

Arguments

Response fields

Any of option 1

Examples

Example arguments

Example structuredContent

Related MCP tools

Any of option 2