Trademark Registration of Marijuana, Cannabidoil, and Hemp Products A trademark is any word, slogan, logo, symbol, or design that identifies an organization’s goods or services as unique from another set of goods or services. Trademarks serve two important functions. First, they are a source identifier, allowing one company to distinguishTrademark Registration of Marijuana, Cannabidoil, and Hemp Products A trademark is any word, slogan, logo, symbol, or design that identifies an organization’s goods or services as unique from another set of goods or services. Trademarks serve two important functions. First, they are a source identifier, allowing one company to distinguish