SDCL § 37-6-7: Mark disparaging or suggesting connection with persons, institutions, beliefs or national symbols not registrable.

A mark by which the goods or services of any applicant for registration may be distinguished from the goods of others shall not be registered if it consists of or comprises matter which may disparage or falsely suggest a connection with persons, living or dead, institutions, beliefs, or national symbols, or bring them into contempt, or disrepute.