From Detection To Defense: A Powerful Duo That Tackles Trademark Proof Use

From informing trademark clearance projects to creating defensive strategies, identifying trademarks that are vulnerable to revocation based on non-use can support brand owners in two ways, says Pascaline Bourreau. She explains how Questel's powerful platforms for trademark search and evidence of use classification can assist.

Maintaining valuable trademark rights requires more than just registration. A trademark that is not put to genuine use in connection with the goods and services for which it is registered may become vulnerable to cancellation — and this can have serious consequences for rights holders.

The Trademark Use Requirement

Once a trademark is registered, its owner must begin using it within a specific timeframe in many jurisdictions (often 3–5 years). Failure to do so opens the door for third parties to file for revocation on the grounds of non-use. This principle ensures that trademarks remain indicators of commercial origin and are not simply