The Superior Courts of the several counties of this State shall have jurisdiction of such an action. Upon the filing by the plaintiff of a complaint, duly verified, showing that such cause of action exists, a Superior judge shall appoint some person to act as guardian ad litem of such person with a mental incapacity in such action. The complaint and summons in such action shall be served upon the defendant by delivering a copy thereof to such guardian and another to the State's Attorney of the county in which such action is brought. (Amended 1973, No. 193 (Adj. Sess.), § 3, eff. April 9, 1974; 2013, No. 96 (Adj. Sess.), § 70.)