I’m trying to see if this tagline is already taken somewhere?
Thanks for your help.
Go to http://www.uspto.gov
Click "trademark" on the lefthand panel. There you can search through "TESS" for trademarks. Try your keywords in different combinations to see if there are federal registrations.
Trademarks, though, are acquired by USE, not registration. And if someone else is using the mark in commerce for the same or similar goods, they have priority, and they can prevent you from using the mark in commerce in the same geographic area that they’re using, plus their "zone of natural expansion."
If you’re really going to use this mark for a business, contact an attorney and have them do a comprehensive trademark search. You pay a few hundred dollars up front, but it can save you thousands down the line.