Nope, you're thinking of trademarks. Your copyright exists at the exact moment you create a copyrighted work, and you needn't do anything else to retain that r

Nope, you're thinking of trademarks. Your copyright exists at the exact moment you create a copyrighted work, and you needn't do anything else to retain that right [1]. 1. http://web.law.columbia.edu/keep-your-copyrights/copyrights http://web.law.columbia.edu/keep-your-copyrights/copyrights