EPO
APIOfficial API for European patent search and data retrieval
Overview
The EPO Patent Search API provides RESTful endpoints to access European patent data, including published applications, grants, legal statuses, and bibliographic details. It supports searches by patent number, applicant, inventor, IPC/CPC classification, and keywords. Responses are in JSON format, enabling easy integration into IP management tools, research platforms, or competitive intelligence systems. Ideal for academic research, IP professionals, and developers building custom patent search solutions.
Example Integration (JavaScript)
fetch('https://developers.epo.org/')
.then(res => res.json())
.then(data => console.log(data))
.catch(err => console.error(err)); Key Features
- RESTful Interface
- JSON Responses
- Multi-Criteria Search
- Official EPO Data
- Legal Status Updates
Frequently Asked Questions
? Is the EPO Patent Search API free to use?
It offers a freemium model—free access with rate limits is available, while paid plans unlock higher usage quotas and premium features.
? Does it require an API Key?
Yes, you must register on the EPO Developers portal to obtain an API key for authentication.
? What is the response format?
The API primarily returns data in JSON format, which is compatible with most programming languages and integration workflows.
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Tool Info
Pros
- ⊕ Reliable Official Source
- ⊕ Comprehensive European Patent Coverage
- ⊕ Structured Data Output
- ⊕ Detailed Documentation
Cons
- ⊖ Rate Limited Free Tier
- ⊖ Requires API Key
- ⊖ Europe-Focused Only
- ⊖ Advanced Queries Need Learning