About Mathews Samac LLP

Mathews Samac LLP is a small civil and commercial litigation firm based in Toronto, with a second office in Oakville. Thomas Mathews and Joshua Samac, described by the firm as longtime colleagues, founded the practice around a shared focus on commercial litigation and courtroom advocacy. Mathews is a member of the Bars of both Ontario and Quebec, trained in common law and civil law, so the firm can act for clients in Toronto and Montreal alike, including matters before the Quebec Superior Court and the Federal Court of Canada. Samac leads the firm's corporate and commercial litigation practice, appearing before Toronto's Commercial List, the Ontario Court of Appeal, and Ontario's Divisional Court.

The firm concentrates on commercial disputes, shareholder and oppression claims, competition litigation coordinated with the Law Office of Calvin Goldman, K.C., a former head of the Competition Bureau, and urgent remedies such as Mareva asset freezing injunctions. Mathews was appointed by the Ontario Cabinet to the board of Venture Ontario and has written on competition and civil litigation topics for The Globe and Mail, the National Post, and the Canadian Competition Law Review. The team is small and partner led, with associates and articling students who take on estates litigation and Small Claims Court matters alongside the firm's commercial docket.

In the community

  • The firm's lawyers take part in national and international commercial law conferences, including the Commercial Bar Association's 2026 meeting in Rome and the ICC Canada Arbitration Conference in Ottawa.
  • Partners attended a symposium at Osgoode Hall marking 50 years since Justice Bertha Wilson's appointment to an Ontario appellate court, the first woman to sit on an appellate court in Canada.
  • The firm publishes a blog of legal commentary covering topics such as Mareva injunctions, anti-SLAPP motions under Ontario's Courts of Justice Act, and the tort of unlawful means conspiracy.

This firm’s lawyers at a glance

Called to the bar
2026 · median 0 years in practice 1 of 3 lawyers
Law schools
University of Toronto Faculty of Law 1 of 3 lawyers
Languages on the roster
English, French

Offices 2

393 University Avenue, Suite 2000 (20th floor), Toronto, ON M5G 1E6

2010 Winston Park Drive, Suite 303, Oakville, ON L6H 5R7

The neighbourhood

The Toronto office sits on the 20th floor of 393 University Avenue, in a building known as University Centre that is also home to Law Chambers, office space built for legal professionals in the city's courts district. The Superior Court of Justice, its Registrar, and Toronto City Hall are all just steps away, and the building sits by St. Patrick subway station. It's the kind of address suited to a firm whose docket runs through the Commercial List, the Divisional Court, and the Court of Appeal for Ontario, and clients driving in can park at the Nathan Phillips Square garage a short walk from the door.

The Oakville office is a different kind of setting: a five-storey, Class A building at 2010 Winston Park Drive, built in 1988 in an established office node just off the QEW. It's the sort of business park that has drawn national and international tenants looking for an alternative to a downtown tower, and on site parking makes it a practical stop for clients from Halton and Peel who would rather not drive into the city.

Frequently asked questions

What kinds of disputes does Mathews Samac LLP handle?
The firm concentrates on civil and commercial litigation, including contract and shareholder disputes, competition and securities litigation, and commercial arbitration. It has also handled estate litigation, defamation claims, and regulatory defence before bodies such as the MFDA and professional colleges.
I've been named in a lawsuit that looks aimed at silencing me over something I said. Can the firm help?
It's an area the firm has direct experience in. Mathews Samac LLP has defended against anti-SLAPP motions under section 137.1 of Ontario's Courts of Justice Act and has succeeded in resisting one such motion on behalf of a plaintiff whose defamation claim was allowed to proceed.
Does the firm only practice in Ontario?
No. Thomas Mathews is a member of the Bars of both Ontario and Quebec, and the firm has appeared before the Quebec Superior Court and the Federal Court of Canada as well as Ontario's courts. Nicolas Lagore, based in Edmonton, is a point of contact for Alberta clients with Ontario litigation matters.
Can Mathews Samac LLP help with a dispute between business partners or shareholders?
Yes, the firm's commercial litigation practice covers shareholder disputes, oppression remedies, and derivative claims, along with broader corporate governance disputes.
Where are the firm's offices and can I park nearby?
There's a Toronto office at 393 University Avenue, near Nathan Phillips Square, where visitors can park in the City Hall garage, and an Oakville office at 2010 Winston Park Drive, which has its own on site parking.
Does the firm handle urgent situations, like a defendant trying to move or hide assets during a lawsuit?
Yes. The firm has experience with Mareva injunctions, the court orders used to freeze a defendant's assets during litigation, including a matter in which its lawyers negotiated the withdrawal of an injunction against clients in a condominium development dispute.

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Listing compiled from the firm’s public website in August 2026. Verify licence status in the Law Society of Ontario directory ↗