TM still doesn't mean anything in a legal sense - if you're relying on the common law protection then it doesn't matter if you put the two letters next to your

TM still doesn't mean anything in a legal sense - if you're relying on the common law protection then it doesn't matter if you put the two letters next to your logo/brand. Putting TM on doesn't mean you have any protection, and leaving it off doesn't mean you have none.