“Most cannabis-related activities cannot be lawfully regulated by Congress, and the USPTO has taken the position that trademarks used in connection with these activities cannot be registered. However, it is possible to secure trademark rights for ancillary goods or services which, while related to cannabis, are not technically illegal.”
http://www.natlawreview.com/article/cannabis-conundrum-hurdles-to-trademark-protection-growing-industry
Published by G&A Legal, APC — Solana Beach, California. This post is legal information, not legal advice, and does not create an attorney–client relationship.