Letarte Avocat

You deserve the best defense.

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About Us

Located in Trois-Rivières, LETARTE AVOCAT provides services exclusively related to family law. With solid experience in litigation and advocacy, each case is approached with a personalized and winning strategy.

Since 2006, our mission and commitment are clear: to offer you rigor and efficiency throughout the progress of your case. With over a thousand clients represented to date across the province, we are the benchmark in the Mauricie region.

We can help you navigate the judicial process. Daily, we strive for excellence for all our clients.

Our Services

Family Law: Representation in Superior Court during separation and divorce. Obtaining a judgment following a trial, negotiation, or amicable settlement concerning:

Child Custody

Child custody and parenting time sharing.

  • Majority custody to one parent
  • Shared custody

Alimony and Child Support

The right to support for children and spouses.

  • Obtaining a judgment for fixation and collection
  • Revision of a judgment
  • Imputation of income in cases of bad faith

Asset Partition

Termination of co-ownership and financial claims arising from a separation.

  • Partition under family patrimony / matrimonial regime
  • Recourse for unjust enrichment (common-law spouses)

Parental Authority

The exercise of parental authority (making necessary decisions).

  • Deprivation of an attribute of authority
  • Forfeiture of authority in serious circumstances

Other Recourses

  • Claim or contestation of filiation
  • Recourses for name change

With us, all aspects of the custody of each child, the protection of your assets, and the protection of your rights are secured.

* Please note that we do not accept legal aid mandates and we prioritize cases in Trois-Rivières and Shawinigan.

Our Team

Me Mathilde Milot-Beauchesne

Mathilde Milot-Beauchesne

Lawyer

A member of the Barreau du Québec since 2025, Me Milot‑Beauchesne has been working at Letarte Avocat since 2022. Dedicated and with high integrity, she quickly made her mark in a highly competitive environment. She works with Me Letarte and is responsible for handling urgent matters.

Me Marc-André Letarte

Marc-André Letarte

Lawyer

A member of the Barreau du Québec since 2006, Me Letarte regularly pleads in the Superior Court and the Court of Québec. He ensures that each client understands the issues and implications of their legal situation to maximize their outcomes.

Suzie Leahey

Suzie Leahey

Legal Assistant

With over 15 years of experience in the legal field, Ms. Leahey has solid knowledge in family and civil matters. Mastering the subtleties of legal procedures, her support and dedication to the success of your case are unquestionable.