Search for Registered Copyrights and Trademarks in U.S. and Canada
If you want to check if the name of your business conflicts with any existing Trademarks, or if you want to search for existing works that are copyrighted and you don’t know where to look – here are the links to the Trademarks and Copyrights databases for both U.S. and Canada.
For the US -> U.S. Copyright Office – Search Copyright Records
For Canada -> Canadian Copyrights Database