The man was shot after he allegedly pointed a gun at the officers and attempted to carjack a woman at gunpoint.
The notice filed Friday with the 1st U.S. Circuit Court of Appeals doesn’t describe any grounds for appeal.
Officers pronounced the teen dead at the scene in the area of Washington Street and Dunbar Avenue.
Eight plaintiffs, including two police officers, are suing the town and its Board of Selectmen over claims of widespread racism and cronyism.
Police say the accident occurred around 11:30 a.m. Sunday at Dorchester Avenue and Harbor View Street.