He received a Juris Doctor from the Georgetown University Law School in 1990.
He was a trial attorney in the Criminal Division of the United States Department of Justice, from 1998 to 1999.
[5] Judge Laplante has served on the Nashua Region Board of the New Hampshire Charitable Foundation (chairman 2006–08), the Nashua Police Athletic League and Youth Safe Haven (chairman 2003–08), and the St. Christopher School Advisory Board.
He coordinates the youth wrestling program (K-8th grade) for the Boys & Girls Club of Greater Nashua, and volunteers at the Corpus Christi Food Pantry.
He is a boxing referee, licensed to officiate both professional and amateur bouts.