[header] How to trademark a phrase [title] Create your phrase. [step] You can't trademark a phrase that doesn't exist. Know the brand or idea you are trying to promote. 
Keep your slogan short, memorable, and appropriate for your audience. [substeps] You can use a common word or phrase, but be aware that to obtain a trademark, you need to show that the phrase has a " secondary meaning " that makes your use different from the usual meaning of the phrase.