Trademark: Any brand name, symbol, design, or mark used by any business that sells goods or services to identify its products or services from others manufactured or sold by third parties. For example, “Hummer” and “Trailblazer” are trademarks of General Motors LLC in that they identify the source of the goods General Motors sells in commerce.

The best place to find basic trademark information is from the United States Patent and Trademark Office website. Please follow the link provided and view what the USPTO has to share regarding trademarks.