The president of it is a San Francisco cartoonist (Lloyd Dangle of Troubletown [troubletown.com] fame), and one of my former professors. Extensive experience in litigation for artists rights.
Just go to the graphic artist's guild web site [gag.org] for information.
Good stuff to know.
It's an article about registering a copyright for a web site, which applies for the content, and your domain name/identity/branding is a part of that content.