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Recommended browsers and software


We recommend that you use the following browsers and operating systems. You may still be able to use the European Patent Register in older or alternative browsers, but we advise you to upgrade your browser regularly to ensure that the Register continues to function properly.


Browser

Version number

Operating system

IE

11+

Windows 10

Firefox

61+

Windows 10

We also recommend that you use Adobe Acrobat Reader Version 9 or newer versions.