If you want to actually know about current copyright laws: www.copyright.gov/circs/...
That's from the .gov site. It's easier than you think.
That's from the .gov site. It's easier than you think.
From that page: 
Now, there are ways to make your copyright more defendable in a court of law, such as proof of date of creation, creator etc... Don't let anyone tell you that need something special to copyright your work.
