Haw. Rev. Stat. § 560:5-402: Jurisdiction over business affairs of protected person.

After the service of notice in a proceeding seeking a conservatorship or other protective order and until termination of the proceeding, the court in which the petition is filed has:

(1) Exclusive jurisdiction to determine the need for a conservatorship or other protective order;

(2) Exclusive jurisdiction to determine how the estate of the protected person, that is subject to the laws of this State, shall be managed, expended, or distributed to or for the use of the protected person, individuals who are in fact dependent upon the protected person, or other claimants; and

(3) Concurrent jurisdiction to determine the validity of claims against the person or estate of the protected person and questions of title concerning assets of the estate.