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linkfox-zhihuiya-patent-image-search

Search visually similar patents via Zhihuiya's patentImageSearch API.

69|14|Updated Apr 8, 2026
Search Tags:#design#image#search#patent#infringement#utility-model
One-click install
npx skills add https://github.com/linkfox-ai/linkfox-skills --skill linkfox-zhihuiya-patent-image-search
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: linkfox-zhihuiya-patent-image-search
Source: https://github.com/linkfox-ai/linkfox-skills/tree/main/skills/linkfox-zhihuiya-patent-image-search
Command: npx skills add https://github.com/linkfox-ai/linkfox-skills --skill linkfox-zhihuiya-patent-image-search

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes scripts (resource) and references (resource) components.

What problem does it solve?

Identify visually similar patents quickly by submitting an image URL to Zhihuiya's patent image search API, reducing time spent on manual prior-art discovery.

Core Features & Use Cases

  • Visual patent search by image for design patents (D) and utility model patents (U).
  • Supports multiple search models (1-2 for D and 3-4 for U), optional filters like country, LOC, legal status, apply/public times, and pagination.
  • Use case: a product designer checks if a new appearance risks infringement, or a patent analyst gathers similar patents by image for prior art review.

Quick Start

Provide a JSON payload including image URL, patentType, and model to execute your first image-based patent similarity search.

Frequently Asked Questions about linkfox-zhihuiya-patent-image-search

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I search for similar design patents using an image?▼

To search for similar design patents using an image, you submit an image URL and set the patentType to D with a corresponding model (1 or 2) to identify visually similar prior art.

What is needed to perform a visual patent similarity search?▼

A visual patent similarity search requires a valid API key in the Authorization header and a JSON payload containing the image URL, patentType (D or U), and the specific search model.

Can I filter patent image search results by country and legal status?▼

Yes, you can filter patent image search results by applying optional parameters including country, LOC classification, legal status, and specific apply or publication time ranges.

How do I find similar utility model patents by image?▼

To find similar utility model patents by image, submit your image URL with the patentType set to U and select the appropriate search model (3 or 4) for your analysis.

Does a patent image search require uploading local image files?▼

No, the patent image search does not require uploading local files; it operates by accepting a publicly accessible image URL to query the Zhihuiya API for visual matches.

What is the difference between search models 1-2 and 3-4 in patent image search?▼

Search models 1-2 are specifically configured for design (D) patents, while models 3-4 are tailored for utility model (U) patents to optimize visual similarity matching accuracy.

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