The fee is non-fundable. This manual should give you much of the information you will need to obtain trademark or service mark registration for your business logo in North Carolina.An overview of a trademark application and maintenance process. Step 1: Is a trademark application right for you? Trade names can be protected under state law if they are distinctive and not confusingly similar to existing trade names. Notices regarding official logos and trademarks. Notices Regarding Official Logos and Trademarks. Don't: Try to Register More Than One Mark In The Same Application. Only one mark may be registered per application. Learn how to trademark a logo with this complete guide, covering the steps, requirements, and tips to protect your brand's visual identity effectively.