Possible Answer: You can mail a copy of your original work to yourself and keep it in a drawer. DO NOT OPEN IT. It will hold up in court as a recognized legal document if it is sealed because it will have been stamped by federal postal service. Open the package only in a court room and prove the existence and date of your orignal work. It's called "the poor man's copywrite.

Possible Answer: Write a "cease and desist" letter stating that you have a registered copyright.  View Full Answer...

Possible Answer: Log on to the U.S. Patent and Trademark website (www.uspto.gov)and you can run a search for your idea. Or hire a patent or trademark lawyer; you can fine a link for them on the USPTO site or run a search thru www.martindale.com.