Can a POU expire ? (5 year POU revalidation)



The Proof Of Use (signed declaration and sample) will expire 5 years after it has been submitted and will need to be resubmitted to maintain a valid POU. In case your documents are (almost) older than 5 years, you will be required to re-verify the validity and actuality of the uploaded sample and declaration of use.

To do so, a POU revalidation page has been launched on our TMCH web interface. This page is accessible when logged in to your account, via the right hand side of the page in the Mark overview tab or Mark details page. The possibility to revalidate your POU will only be available in case you have POU documents that are almost 5 years or older.

In case your POU has already expired, a pop-up message will appear on your trademark details page requiring you to revalidate/invalidate the POU documentation associated with that specific trademark record.

For further details on the different steps to revalidate your POU documents, please refer to our one pager below or our full manual.

In case you have any further questions related to the revalidation of the POU, feel free to contact us directly via our hotline or via our support page.


API (Automated Interface)



correction process

documentary evidence



Mark Record Transfer

mark record verification

New gTLD program


official agents

online payment


prepayment account


proof of use




Signed Mark Data (SMD)

Strawman Model - Abused Labels

Sunrise Services


trademark claims services

Trademark Eligibility Requirements

trademark submission

TREx Service

user registration