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Eureka Patent Image Search (Single Image)

Eureka专利图像检索（单图检索）

This skill guides you on how to perform patent image search (search-by-image) via the Eureka patent platform. Given a single image URL, it finds visually similar patents in the design or utility patent databases, supporting multiple search models and extensive filtering options.

本技能将指导您如何通过Eureka专利平台进行专利图像检索（以图搜图）。只需提供一张图片的URL，即可在外观设计或实用新型专利数据库中查找视觉相似的专利，支持多种检索模型及丰富的筛选选项。

Core Concepts

核心概念

The Eureka Patent Image Search tool enables visual similarity search across patent databases:

Search Models — Four models are available depending on the patent type and search intent:
- Model 1: Design smart association — finds design patents with intelligent visual association
- Model 2: Design search this image — exact visual match for design patents
- Model 3: Utility match shape — matches utility patents by shape/contour
- Model 4: Utility match shape + pattern + color — matches utility patents by shape, pattern, and color combined
Patent Types — Two patent types are supported:
- ```
D
```
  (Design) — search within design/industrial design patents (use models 1 or 2)
- ```
U
```
  (Utility) — search within utility model patents (use models 3 or 4)
Filtering — Extensive optional filters for country/authority, Locarno classification, date ranges, legal status, assignees, and keyword fields.
Scoring — Results include a similarity
```
score
```
and can be sorted by score, application date, publication date, or issue date.

Eureka专利图像检索工具可在专利数据库中进行视觉相似性检索：

检索模型 — 根据专利类型和检索需求提供四种模型：
- 模型1：外观设计智能关联 — 查找具有智能视觉关联的外观设计专利
- 模型2：外观设计以图搜图 — 对外观设计专利进行精准视觉匹配
- 模型3：实用新型形状匹配 — 通过形状/轮廓匹配实用新型专利
- 模型4：实用新型形状+图案+颜色匹配 — 结合形状、图案和颜色匹配实用新型专利
专利类型 — 支持两种专利类型：
- ```
D
```
  （Design） — 在外观设计/工业设计专利中检索（使用模型1或2）
- ```
U
```
  （Utility） — 在实用新型专利中检索（使用模型3或4）
筛选功能 — 提供丰富的可选筛选条件，包括国家/专利机构、Locarno classification、日期范围、法律状态、权利人及关键词字段等。
评分机制 — 检索结果包含相似性
```
score
```
，可按评分、申请日、公开日或授权日排序。

Parameter Guide

参数指南

Required Parameters

必填参数

Parameter	Type	Description
url	string	The URL of the image to search with. Must be a publicly accessible image URL.
model	integer	Search model: 1 = design smart association, 2 = design search this image, 3 = utility match shape, 4 = utility match shape + pattern + color
patentType	string	Patent type to search: "D" = design patent, "U" = utility patent

参数	类型	说明
url	string	用于检索的图片URL，必须是可公开访问的图片URL。
model	integer	检索模型：1=外观设计智能关联，2=外观设计以图搜图，3=实用新型形状匹配，4=实用新型形状+图案+颜色匹配
patentType	string	检索的专利类型："D"=外观设计专利，"U"=实用新型专利

Optional Parameters

可选参数

Parameter	Type	Default	Description
country	string	—	Patent authority codes, comma-separated (e.g., CN,US,JP,EP,WO)
loc	string	—	Locarno classification code. Supports AND/OR/NOT boolean operators.
applyStartTime	string	—	Application date range start (format: yyyyMMdd)
applyEndTime	string	—	Application date range end (format: yyyyMMdd)
publicStartTime	string	—	Publication date range start (format: yyyyMMdd)
publicEndTime	string	—	Publication date range end (format: yyyyMMdd)
mainField	string	—	Search keyword within specific fields: title, abstract, claims, description, pn, applicant, inventor, IPC, UPC, LOC
assignees	string	—	Filter by assignee/rights holder name
legalStatus	string	—	Legal status codes, comma-separated. Values: 1=Published, 2=Examining, 3=Granted, 11=Withdrawn, 13=Rejected, 14=Revoked, 15=Expired, etc.
simpleLegalStatus	string	—	Simplified legal status: 0=Invalid, 1=Valid, 2=Pending, 220=PCT expired, 221=PCT in period, 999=Undetermined
preFilter	integer	1	Enable (1) or disable (0) pre-filtering by country and LOC classification
scoreExpansion	boolean	—	Enable score expansion for broader results
stemming	integer	0	Enable (1) or disable (0) word stemming in keyword search
includeMachineTranslation	boolean	—	Include machine-translated content in search
field	string	SCORE	Sort field: SCORE (similarity), APD (application date), PBD (publication date), ISD (issue date)
order	string	desc	Sort order: desc or asc
limit	integer	10	Results per page, range 1–100
offset	integer	0	Pagination offset, range 0–1000
lang	string	—	Title language preference: original, cn, en
isHttps	integer	—	Return image URLs with HTTPS (1) or HTTP (0)
returnImgId	boolean	—	Include image ID in results

参数	类型	默认值	说明
country	string	—	专利机构代码，用逗号分隔（例如：CN,US,JP,EP,WO）
loc	string	—	Locarno classification代码，支持AND/OR/NOT布尔运算符。
applyStartTime	string	—	申请日期范围起始值（格式：yyyyMMdd）
applyEndTime	string	—	申请日期范围结束值（格式：yyyyMMdd）
publicStartTime	string	—	公开日期范围起始值（格式：yyyyMMdd）
publicEndTime	string	—	公开日期范围结束值（格式：yyyyMMdd）
mainField	string	—	指定字段内的搜索关键词：title、abstract、claims、description、pn、applicant、inventor、IPC、UPC、LOC
assignees	string	—	按权利人/持有人名称筛选
legalStatus	string	—	法律状态代码，用逗号分隔。可选值：1=已公开，2=审查中，3=已授权，11=已撤回，13=已驳回，14=已撤销，15=已过期等
simpleLegalStatus	string	—	简化法律状态：0=无效，1=有效，2=待审，220=PCT已过期，221=PCT有效期内，999=未确定
preFilter	integer	1	启用（1）或禁用（0）按国家和LOC分类的预筛选
scoreExpansion	boolean	—	启用评分扩展以获取更广泛的结果
stemming	integer	0	启用（1）或禁用（0）关键词检索中的词干提取
includeMachineTranslation	boolean	—	在检索中包含机器翻译内容
field	string	SCORE	排序字段：SCORE（相似性）、APD（申请日）、PBD（公开日）、ISD（授权日）
order	string	desc	排序顺序：desc（降序）或asc（升序）
limit	integer	10	每页结果数量，范围1–100
offset	integer	0	分页偏移量，范围0–1000
lang	string	—	标题语言偏好：original（原文）、cn（中文）、en（英文）
isHttps	integer	—	返回HTTPS格式的图片URL（1）或HTTP格式（0）
returnImgId	boolean	—	在结果中包含图片ID

Model & Patent Type Combinations

模型与专利类型组合

Patent Type	Recommended Models	Description
D (Design)	1, 2	Model 1 for smart association, Model 2 for exact visual match
U (Utility)	3, 4	Model 3 for shape match, Model 4 for shape + pattern + color

专利类型	推荐模型	说明
D（Design）	1, 2	模型1用于智能关联，模型2用于精准视觉匹配
U（Utility）	3, 4	模型3用于形状匹配，模型4用于形状+图案+颜色匹配

Response Fields

响应字段

Field	Description
patentId	The patent's internal ID
patentPn	Publication number
title	Patent title
url	URL of the similar image found in the patent
score	Similarity score
apdt	Application date
pbdt	Publication date
authority	Patent authority (country code)
inventor	Inventor name
apno	Application number
originalAssignee	Original applicant/assignee
currentAssignee	Current rights holder
loc	Array of Locarno classification codes
imgId	Image ID (when returnImgId is enabled)
locMatch	Whether the Locarno classification matched the filter
total	Number of results in current page
allRecordsCount	Total number of matching results
costToken	Token cost for this query

字段	说明
patentId	专利内部ID
patentPn	公开号
title	专利标题
url	专利中找到的相似图片URL
score	相似性评分
apdt	申请日
pbdt	公开日
authority	专利机构（国家代码）
inventor	发明人姓名
apno	申请号
originalAssignee	原始申请人/权利人
currentAssignee	当前权利人
loc	Locarno classification代码数组
imgId	图片ID（启用returnImgId时返回）
locMatch	是否匹配LOC分类筛选条件
total	当前页结果数量
allRecordsCount	匹配结果总数
costToken	本次查询消耗的Token数量

Usage Examples

使用示例

1. Search for similar design patents using an image

Search for design patents similar to this image: https://example.com/product-image.jpg — look in CN and US patent databases.

→ Use model=1 or 2, patentType="D", country="CN,US"

2. Find utility patents with a similar shape

Find utility patents that have a similar shape to this product image: https://example.com/gadget.png

→ Use model=3, patentType="U"

3. Search with date and legal status filters

Search for valid design patents similar to this image, filed after 2020, in the CN database: https://example.com/design.jpg

→ Use model=2, patentType="D", country="CN", applyStartTime="20200101", simpleLegalStatus="1"

4. Search with Locarno classification

Find design patents in LOC 14-01 similar to this product: https://example.com/phone-case.jpg

→ Use model=1, patentType="D", loc="14-01"

5. Search with keyword and assignee filters

Search for design patents similar to this image from Apple Inc.: https://example.com/device.jpg

→ Use model=2, patentType="D", assignees="Apple"

6. Get more results with pagination

Show me the next 20 design patents similar to this image: https://example.com/product.jpg

→ Use limit=20, offset=20

1. 通过图片检索相似外观设计专利

Search for design patents similar to this image: https://example.com/product-image.jpg — look in CN and US patent databases.

→ 使用model=1或2，patentType="D"，country="CN,US"

2. 查找形状相似的实用新型专利

Find utility patents that have a similar shape to this product image: https://example.com/gadget.png

→ 使用model=3，patentType="U"

3. 结合日期和法律状态筛选检索

Search for valid design patents similar to this image, filed after 2020, in the CN database: https://example.com/design.jpg

→ 使用model=2，patentType="D"，country="CN"，applyStartTime="20200101"，simpleLegalStatus="1"

4. 结合Locarno分类检索

Find design patents in LOC 14-01 similar to this product: https://example.com/phone-case.jpg

→ 使用model=1，patentType="D"，loc="14-01"

5. 结合关键词和权利人筛选检索

Search for design patents similar to this image from Apple Inc.: https://example.com/device.jpg

→ 使用model=2，patentType="D"，assignees="Apple"

6. 通过分页获取更多结果

Show me the next 20 design patents similar to this image: https://example.com/product.jpg

→ 使用limit=20，offset=20

Display Rules

展示规则

Present results as a visual gallery when possible: Show the patent publication number, title, similarity score, and image URL for each result.
Score interpretation: Higher scores indicate greater visual similarity. Present scores as percentages or relative rankings for user clarity.
Key metadata: Always include patent number, title, authority, application date, and assignee for each result.
Total count: Mention
```
allRecordsCount
```
to indicate how many total matches were found, and how many are displayed.
Model explanation: When presenting results, briefly note which search model was used so the user understands the matching approach.
Error handling: If the query fails, check common issues: invalid image URL, unsupported image format, invalid model/patentType combination.
Pagination guidance: If there are more results than displayed, inform the user they can request more.

尽可能以视觉画廊形式展示结果：显示每条结果的专利公开号、标题、相似性评分及图片URL。
评分解读：评分越高表示视觉相似度越高，为便于用户理解，可将评分显示为百分比或相对排名。
关键元数据：每条结果需包含专利号、标题、专利机构、申请日及权利人信息。
结果总数：需提及
```
allRecordsCount
```
以说明匹配结果的总数及当前展示数量。
模型说明：展示结果时，简要说明使用的检索模型，让用户了解匹配逻辑。
错误处理：若查询失败，检查常见问题：无效图片URL、不支持的图片格式、模型与专利类型组合错误。
分页指引：若存在更多未展示的结果，告知用户可请求获取更多内容。

Important Limitations

重要限制

Single image only: This endpoint accepts one image URL per request.
Image URL must be publicly accessible: Private or authentication-required image URLs will fail.
Model & patent type pairing: Models 1–2 are for design patents (D), models 3–4 are for utility patents (U). Mismatched combinations may produce poor results.
Offset limit: Maximum offset is 1000, meaning at most 1000 + limit results can be accessed via pagination.
Locarno classification: The
```
loc
```
parameter uses Locarno codes; users may need help identifying the correct code for their product category.

仅支持单图检索：该接口每次请求仅接受一个图片URL。
图片URL必须可公开访问：私有或需认证的图片URL会导致检索失败。
模型与专利类型需匹配：模型1-2适用于外观设计专利（D），模型3-4适用于实用新型专利（U），不匹配的组合可能导致结果质量不佳。
偏移量限制：最大偏移量为1000，意味着通过分页最多可访问1000+limit条结果。
Locarno classification：
```
loc
```
参数使用Locarno代码，用户可能需要帮助确定其产品类别对应的正确代码。

User Expression & Scenario Quick Reference

用户表述与场景速查

Applicable — Visual patent search queries:

User Says	Scenario
"Search for patents similar to this image"	Basic image search
"Find design patents that look like this"	Design patent visual search
"Are there utility patents with this shape"	Utility patent shape match
"Search CN and US design patents for this product image"	Filtered image search
"Find valid patents similar to this design"	Legal status-filtered search
"Show me more results"	Pagination request
"Search in Locarno class 14-01"	Classification-filtered search

Not applicable — Needs beyond image search:

Patent text-based search (keyword, classification, applicant)
Patent bibliography or metadata retrieval
Patent legal status queries
Patent claims or description retrieval
Patent family analysis
Multi-image or batch image search

Feedback:

Auto-detect and report feedback via the Feedback API when any of the following apply:

The functionality or purpose described in this skill does not match actual behavior
The skill's results do not match the user's intent
The user expresses dissatisfaction or praise about this skill
Anything you believe could be improved

Call the feedback API as specified in

references/api.md

. Do not interrupt the user's flow.

For more high-quality, professional cross-border e-commerce skills, visit LinkFox Skills.

适用场景 — 视觉专利检索相关请求：

用户表述	场景
"检索与这张图片相似的专利"	基础图片检索
"查找与该设计外观相似的外观设计专利"	外观设计专利视觉检索
"有没有形状与此类似的实用新型专利"	实用新型专利形状匹配
"在中美专利库中检索与该产品图片相似的外观设计专利"	筛选式图片检索
"查找与该设计相似的有效专利"	法律状态筛选检索
"展示更多结果"	分页请求
"在Locarno分类14-01中检索"	分类筛选检索

不适用场景 — 超出图片检索范围的需求：

基于文本的专利检索（关键词、分类、申请人）
专利书目或元数据获取
专利法律状态查询
专利权利要求或说明书获取
专利族分析
多图或批量图片检索

反馈机制：

当出现以下情况时，自动通过Feedback API检测并上报反馈：

本技能描述的功能或用途与实际行为不符
技能结果与用户意图不匹配
用户表达对本技能的不满或赞赏
任何您认为可改进的内容

按照

references/api.md

中的说明调用反馈API，请勿中断用户流程。

如需更多高质量、专业的跨境电商技能，请访问 LinkFox Skills。