You may want to register a trademark, copyright, or both
A trademark protects your rights to a design that identifies your business. A copyright protects a logo as an artistic work. If both sound like what you need, you can register each.
Trademark
Benefits of trademark registration:
• Have legal evidence of ownership of your trademark
• Gain exclusive rights nationwide
• Be entitled to use the registered trademark symbol ®
Copyright
Benefits of copyright registration:
• There’s a public record of your copyright claim
• You have the ability to sue infringers in federal court
• Used as evidence to prove ownership of your copyright