How do you have a pattern copyrighted?

[Aziandoll]

Hi everyone, I was wondering how do you have a pattern copyrighted? Where do you go/ what do you have to do? Thanks. ;)

[crochet smartcat]

Check out this thread. http://www.crochetville.org/forum/showthread.php?t=7184&highlight=copyright

[Angelhair]

You don't have to do anything. If you created it, the copyright is yours.