Charles is right, talk to a lawyer.
In theory, it's someone else's brand name and you can't use it (even as, say, a slogan on the shirt). Because it's also a generic phrase, they
may not have the scope to completely prevent its use. A lawyer could advise you on whether or not that is the case (amongst other things).
We can only provide the kind of speculation that could result in you being sued if you paid us too much attention
