Patent Intelligence ZY

Design Patent Image Search

Find visually similar design patents from an image URL with country, legal-status, date, Locarno-classification, and assignee. Available via REST API or MCP.

MCP tool name

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

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
`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 D for a design patent; this skill uses D. Gateway default: D Example: D
`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: 1
`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 Values: 1 (published), 2 (substantive examination), 3 (granted), 8 (duplicate-grant avoidance), 11 (withdrawn), 12 (withdrawn-unspecified), 17 (deemed withdrawn), 18 (voluntarily withdrawn), 13 (rejected), 14 (fully revoked), 15 (expired), 16 (annual fee unpaid), 21 (rights restored), 22 (rights terminated), 23 (partially invalid), 24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
`total`	`integer`	optional	The number of records returned this time. Example: {}
`allRecordsCount`	`integer`	optional	The total number of matching records in the database. Example: {}
`data`	`array`	optional	List of matching patent records. Example: {}
`columns`	`array`	optional	Rendered column definitions. Example: {}
`type`	`string`	optional	Rendering style. Example: {}
`costToken`	`integer`	optional	Consume token. Example: {}
`patentId`	`string`	optional	Similar patent ID. Example: {}
`patentPn`	`string`	optional	Similar patent numbers. Example: {}
`apno`	`string`	optional	Application number. Example: {}
`title`	`string`	optional	Patent name. Example: {}
`inventor`	`string`	optional	Inventor. Example: {}
`originalAssignee`	`string`	optional	original applicant. Example: {}
`currentAssignee`	`string`	optional	Current applicants. Example: {}
`authority`	`string`	optional	Receiving Office country code. Example: {}
`url`	`string`	optional	Similar patent drawing URL. Example: {}
`score`	`number`	optional	Similarity score; the higher the score, the more similar it is, only valid when `field=SCORE`. Example: {}
`loc`	`array`	optional	LOC classification. Example: {}
`locMatch`	`integer`	optional	Whether to hit high weight LOC: `1` hits, `0` misses; only valid when `model=1` and `field=SCORE`. Example: {}
`apdt`	`integer`	optional	Application date (timestamp). Example: {}
`pbdt`	`integer`	optional	Publication date (timestamp). Example: {}
`imgId`	`string`	optional	Patent drawing `img_id`; returned only if `returnImgId=true`. Example: {}

Examples

Example arguments

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

Example structuredContent

{}