Rules of procedure may allow vacatur either at the request of a party (a motion to vacate) or sua sponte (at the court's initiative).
Another means of having a vacated judgment would be if the defendant dies prior to all appeals being exhausted.
Notable defendants having their convictions vacated under this include Kenneth Lay, the former Chairman and CEO of Enron who died before sentencing, and Aaron Hernandez, a former football player who killed himself in jail before his appeals were exhausted.
[3] The United States Court of Appeals for the Seventh Circuit has noted that a vacated judgment "place[s] the parties in the position of no trial having taken place at all; thus a vacated judgment is of no further force or effect.
Certain conditions must be met before the higher court can give a Munsingwear vacatur, generally allowing this vacatur to be used in three situations: in the matter of "happenstance" (such as the death of a litigant), through a settlement of the parties, or a unilateral action by the prevailing party in the lower court.