Many clients reported that they received an unsolicited service invoice from 
Service BPM 326634 at 8345 NW 66 ST #2000 33166-7896 Miami, which looks like this:
It has nothing to do with your U.S. trademark registration, and you are advised to ignore and discard it.
If you have questions regarding trademark protection in other countries than the U.S., please contact your attorney.