Yea ,of course ,if you want to save your tagline from being copied or stolen, you should definitely register it. Different country laws vary as per their rules but majority of the developed and developing countries offer the possibility of registering the taglines.
I am sure in this way you can protect yourself from future trouble as the charges for such registration is very nominal. I am sure this answer your question.
I am sure in this way you can protect yourself from future trouble as the charges for such registration is very nominal. I am sure this answer your question.