Cannabis oil cartridgeFederal trademark protection continues to elude purveyors and entrepreneurs of the fast-growing marijuana industry. The United States Patent and Trademark Office recently refused registration of marks intended for use on marijuana paraphernalia and medical marijuana services, due to the “unlawful” status of these goods and services. It seems that as long as marijuana remains an illegal substance under federal law,  federal trademark registration will be up in smoke for the foreseeable future.

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