A patent or trademark is applied for directly to the US Patent and Trademark office. You must submit drawings, descriptions, and other paperwork proving you have an idea or change to an existing idea...
Copyright exists automatically - Trademark must be applied for
Copyrights cannot be "lost" - Trademarks must be defended
Copyright has a fixed term & cannot be renewed - Trademarks can be...
No. In the U.S. you get "common-law" rights in a trademark the moment it is first used in commerce in association with your goods or services, but only in the market where you have used it. This...