We are frequently asked whether there is a legal obligation to not the registration symbol every time a federally registered trademark is used. For example:
Thank you for visiting the Coca Cola® website. We try to make Coca Cola® the best tasting soda available. Drinking Coca Cola® is bound to make you happy. Thanks! The Coca Cola® team.
Overuse of the ® symbol can be highly distracting and we recommend using footers on website and brochures. The following is a letter we received today that elegantly note trademark rights on a correspondence letter. (Click to enlarge)