Proof Verification Service

We provide you with a free service to check proof of prior art at any time, yours or that of a third party.

This service allows you to check : the name of the owner, the integrity of the document and the date of protection.

In order to use our proof verification service, please download our MaPreuve Desktop software.

MaPreuve Desktop is a free software provides. Use your usual username and password to access the protection interface.

Si vous ne disposez pas d’identifiants, vous pouvez créer immédiatement et gratuitement un compte MaPreuve.


Select the appropriate file for your operating system from the list below to obtain the latest version of MaPreuve for your computer.

French English
Windows
Mac OS

Once downloaded and installed, you will be able to log in and check a proof.


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