Can you add to an existing trademark?

Yes, you can add to an existing trademark, but the process depends on the nature of the addition. If you're modifying or expanding the trademark to include new goods or services, you may need to file a trademark application for the new elements. However, if the changes are minor and do not affect the brand's overall identity, they may be considered acceptable under certain conditions. It's advisable to consult a trademark attorney to ensure compliance with trademark laws.