Trademark: The legal definition of a trademark is a word, phrase, graphic, logo or other representation used to distinguish a product or service from others in the market. An example of a trademark is the apple icon that represents the iPod, iPhone, Mac and other products of Apple, Inc. The symbol used to designate a trademark that is registered with the U.S. Patent and Trademark Office is ®. The other common symbol used to designate a trademark is the ™. You should always consult with a trademark attorney to determine which of these symbols to use with your marks. Some of the trademark services we provide include the following: