Marie-Julie Lafleur practices civil and commercial litigation, administrative law, municipal law as well as professional liability. She has also developed significant proficiency in class action. She assists in the preparation of cases, the drafting of proceedings and with legal research. Marie-Julie recently received Lexpert's Rising Stars award for the most outstanding lawyers under 40 in Canada in 2022.

While in law school, Marie-Julie was awarded an entrance scholarship from Université Laval as well as a scholarship for excellence in administrative and constitutional law.