Trademark Sleuth monitors a single trademark application (or registration) at the USPTO, and emails you whenever its status changes.  You can send notifications two email addresses, and include a reference number of your choosing for easy tracking.

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DISCLAIMER:  Trademark Sleuth is provided as-is, without warranty of any kind, including fitness for a particular purpose.  There is no guarantee of the accuracy of the data provided herein (after all, it's derived from a government source).

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