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Improvement to the security of our online services

The EPO uses encryption protocols to enable secure access to our online services and to protect your information.

To improve security, we will be progressively ending support for older protocols, while minimising the impact on our users.

As of 18 June 2018, you will need TLS 1.2 to connect securely to our online services (a secure connection is indicated by "https" in your browser's address bar). Older protocols such as TLS 1.0 and 1.1 will be unavailable from this date on.

Please therefore make sure that you are using the latest version of your browser (recommended), or at least one of the following compatible versions.

For desktop browsers:
Microsoft Internet Explorer: v11 or above
Microsoft Edge: any version
Google Chrome: v30 or above
Mozilla Firefox: v27 or ESR 31 or above
Apple Safari (Mac): v7 or above
Opera: v12.18 or above

For mobile browsers:
Apple Safari (iOS): v5 or above
Google Android: v5 or above


Welcome to the European Patent Register, the place to find procedural and legal status data on patent applications handled by the European Patent Office.

If this is the first time you are consulting the EP Register, please have a look at the introductory video below.

United Kingdom joins the Federated Register

The Federated Register has started retrieving official bibliographic and legal status information from the English Register and displaying it in the European Patent Register.

At present, the countries participating in the Federated Register project are: Austria, Belgium, Bosnia and Herzegovina, Bulgaria, Croatia, Czech Republic, Finland, Former Yugoslav Republic of Macedonia, Greece, Ireland, Lithuania, Luxembourg, Monaco, Netherlands, Norway, Poland, Portugal, Romania, San Marino, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom.

Click here for more information on the Federated European Patent Register.

Online file inspection of PCT files

As from 1 March 2018, the documents relating to international applications under the PCT contained in the file held by the European Patent Office as receiving Office, International Searching Authority or Authority specified for supplementary search shall be available for inspection free of charge via the European Patent Register.

For more information, please consult the notification published in the Official Journal.

Help us to help you!

Help us to continue improving the services of the European Patent Register and Register Alert applications by giving us your feedback .

European Patent Register - Introductory video

Register Alert – Introductory video