To benefit from the Sunrise service, do I need to submit a sample of Proof of Use even if my trademark registration is based on proven usage?

Yes, if you submit a registered trademark in the Clearinghouse and wish to benefit from the Sunrise service, you will have to submit a single sample of Proof of Use as well as a signed declaration of Proof of Use. You can find more information concerning the Proof of Use in the Trademark Clearinghouse Guidelines available on this website.

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