Is this name copyrighted (or trademarked)?

[JINXWORLD]

I forgot which is which. But seriously, should I not be able to use this name elsewhere if it isn't? And seeing how this is a legitimate question why was my previous thread asking the same question deleted?
:confused:

[Taxman]

It is the name of a corporation. And said corporation operates in the same field where you happen to be prancing around. Based on the nature of the industry, it is a certainty that you will be shut down.