If you want to eventually own a national cannabis/marijuana brand, you should take steps to establish and protect your trademarks now. Since cannabis and cannabis paraphernalia remain federally controlled, the United States Patent and Trademark Office will not issue a federal trademark registration for products that fall into either category. However, it is possible to obtain protection for your trademarks in those states that have legalized the medical and/or recreational use of cannabis. Here is what you should do now: