Haw. Rev. Stat. § 486H-7: Right to sue.

Any person who is injured in the person's business or property by reason of a violation of section 486H-5 may sue in any court having jurisdiction in the county where the defendant resides or is found, or where any agent of the defendant resides or is found, or where service may be obtained, without respect to the amount in controversy, to recover the damages sustained by the person, and the person shall be awarded, if judgment is rendered in the person's favor, attorney's fees together with the costs of the suit. Any action brought pursuant to this section shall be commenced within four years after the cause of action accrued.