APPELLATE COURT MAY VACATE A JUDGMENT OR ORDER IN SOME CIRCUMSTANCES, EVEN WHERE THE APPEAL IS MOOT.
The Second Department explained when an order of judgment can be vacated by an appellate court, even though the appeal has been rendered moot:
“While it is the general policy of New York courts to simply dismiss an appeal which has been rendered academic, vacatur of an order or judgment on appeal may be an appropriate exercise of discretion where necessary in order to prevent a judgment which is unreviewable for mootness from spawning any legal consequences or precedent'” … . Markowits v Friedman, 2016 NY Slip Op 07933, 2nd Dept 11-23-16
APPEALS (CIVIL, APPELLATE COURT MAY VACATE A JUDGMENT OR ORDER IN SOME CIRCUMSTANCES, EVEN WHERE THE APPEAL IS MOOT)