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Searching for patents

Web services

The EPO web services are designed for automated queries, such as automated data retrieval (by robots) or access via third-party portals (e.g. software packages) etc. They offer similar sets of data as the European Publication Server, European Patent Register and Espacenet.

Open Patent Services

Open Patent Services (OPS) is a web service which provides access to the EPO's raw data via a standardised XML interface. It does this using RESTful architecture.

Developers’ testing area

European Publication Server web services

Updated weekly, the European Publication Server gives you free online access to all the European patent documents published by the EPO.