Mason Poratto-Mason LLP
Automatically compiled listing. Details may contain errors.3 lawyers · Established 1990 · City of Greater Sudbury
One of 31 law firms listed in Sudbury, and one of 18 handling Wills, Estates & Trusts.
Accepts Legal Aid
3 lawyers · Established 1990 · City of Greater Sudbury
One of 31 law firms listed in Sudbury, and one of 18 handling Wills, Estates & Trusts.
Accepts Legal AidMason Poratto-Mason LLP is a Sudbury, Ontario law firm that traces back to 1990, when it started out as Desmarais, Ouellette & Mason. It now practises from an office at 40 Larch Street in the city's downtown core, handling family law, wills and estate law, real estate, corporate law, tax appeals, civil law and employment law. Two of its founding partners have since retired: M. James Mason, called to the Ontario bar in 1986, became senior partner in 2003, and Lise Poratto-Mason, called in 1988, had previously worked as a municipal and hospital solicitor. The firm's current lawyers are Adam Mason and Samantha Prescott, both called to the bar in 2018 and both graduates of Lakehead University's Bora Laskin Faculty of Law in Thunder Bay, a law school built to train lawyers for Northern Ontario.
Family law work at the firm covers custody, support and separation, along with child protection matters under Ontario's Child, Youth and Family Services Act. Its tax appeals practice represents individuals and businesses before tax authorities and, where needed, in court. On its site, Mason Poratto-Mason describes its team as having 80 years of combined experience and says it has completed more than 10,500 files for clients. Everyone on the legal team, lawyers and law clerks alike, lists English and French among their languages.
Wills, Estates & Trusts
Real Estate Law
Family Law
Business & Corporate Law
Tax Law
Employment & Labour Law
Our guide: How to Get a Divorce in Ontario
Accessible parking
LGBTQ+ friendly
Parking available
By appointment
Legal aid40 Larch Street, Suite 202, Sudbury, Ontario P3E 5M7 · 705-560-8133
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Wills, Estates & TrustsThis listing was generated by AI from public sources in September 2026. It may contain errors, and we can’t guarantee it’s accurate or complete. Before you rely on anything here, verify it on the firm’s own website. Verify licence status in the Law Society of Ontario directory ↗
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