“An appeal from an interlocutory order of a judge of the Superior Court lies to the Divisional Court with leave as provided in the rules of court, in accordance with s. 19(1)(b) of the Courts of Justice Act, R.S.O. 1990, c. C.43. A motion seeking leave to appeal must be brought by a notice of motion, which must be served within 15 days of the order: Rules of Civil Procedure, R.R.O. 1990, Reg. 194, r. 62.02(3).”