[amobilebiz]

True, but you do need to register your copyright if you want to be able to take legal action in U.S. courts. Just stating the copyright does not provide you with protection in the court system's eyes.

[tlrobinson]

I've heard of people mailing themselves a copy of their work, and leaving the enveloped sealed. Presumably this would also be enough proof?

edit: here's a description of the concept: http://www.copyrightauthority.com/poor-mans-copyright/ ...doesn't sound like a very good solution

[timcederman]

This doesn't sound right - citation?

[amobilebiz]

http://www.copyright.gov/circs/circ1.html#cr