[wise_young_man]

You don't actually need to register in order to be protected by copyright laws. The benefit to registering is that it is needed in order to sue. [1]

1: http://thompsonhall.com/does-a-copyright-have-to-be-register...

[teachingaway]

I used to litigate copyright cases. While your comment is technically true, for 98% of cases, you will need the copyright registration for any amount of meaningful copyright protection.