Conn. Gen. Stat. § 17a-525

Any person aggrieved by an order, denial or decree of a Probate Court under sections 17a-75 to 17a-83 , inclusive, 17a-450 to 17a-483 , inclusive, 17a-495 to 17a-528 , inclusive, 17a-540 to 17a-550 , inclusive, 17a-560 to 17a-575 , inclusive, and 17a-615 to 17a-618 , inclusive, including any relative or friend, on behalf of any person found to have psychiatric disabilities, shall have the right of appeal in accordance with sections 45a-186 to 45a-193 , inclusive. On the trial of an appeal, the Superior Court may require the state's attorney or, in the state's attorney's absence, some other practicing attorney of the court to be present for the protection of the interests of the state and of the public.