1 month since DV

They have no time limit to respond to your DV unless you live in TX. If your DV was timely, w/in 30 days of reciept of the INITIAL dunning letter, then they must cease collection efforts until the debt has been validated. If your DV was untimely, beyond 30 days of the receipt of the initial dunning letter, they do not have to respond or cease collection efforts. I would wait until the 45 day mark, if you do not recieve validation, send a follow up DV notating date and who signed for the CMRRR of the first letter. Are they reporting on your credit reports? How old is the debt? What state do you live in?

I live in Florida and the last payment on debt was in 2003. They are not reporting on CR as of now. The law office is Coleman out of Mass.

Sounds like this is likely out of statute or close to it. FL has a 4 year SOL on Store cards and 5 year on Bank cards. Keep monitoring your reports and see if they report. If they provide validation (doubtful), I'd respond with a FOAD letter.