He remained a prisoner until September 1812. On his return he fought at the Battle of Dresden on 26–27 August 1813. He received the Commander's Cross of the Légion d'Honneur on 28 September 1813. Maurin commanded the 9th Light Cavalry Brigade in Rémi Joseph Isidore Exelmans' division of the II Cavalry Corps at the Battle of Leipzig on 16–19 October.