About Brooke MacKenzie

Brooke MacKenzie is a solo practice based in Toronto, working out of Courtyard Chambers on Adelaide Street East. Brooke MacKenzie was called to the Ontario bar in 2013 after articling and practising in the litigation group at McCarthy Tetrault LLP, and now advises and represents clients in professional regulation, legal ethics, and civil and administrative appeals. The practice covers complaints, investigations, and discipline hearings before the Law Society of Ontario and health profession colleges, along with advice on conflicts of interest, firm departures, client confidentiality, and other professional responsibility questions for lawyers and law firms.

Brooke MacKenzie holds a B.A. and J.D. from Queen's University and an LL.M. from the University of Toronto, and has been an adjunct professor at Osgoode Hall Law School since 2018, teaching a seminar on legal ethics. The appellate practice has included appearances before the Supreme Court of Canada, the Court of Appeal for Ontario, the Federal Court of Appeal, and the Divisional Court, and Brooke MacKenzie serves as duty counsel for licensees at the Law Society Tribunal. It's a small, focused practice: recognition includes a Best Lawyers in Canada listing for administrative and public law, and, on a lighter note, a run as a Jeopardy! champion in February 2020.

Milestones & recognition

  • Brooke MacKenzie was called to the Ontario bar in 2013 after articling and practising in the litigation group at McCarthy Tetrault LLP.
  • Brooke MacKenzie holds a B.A. and J.D. from Queen's University and an LL.M. from the University of Toronto.
  • Brooke MacKenzie has been recognized in Best Lawyers in Canada for administrative and public law.
  • Brooke MacKenzie has appeared as counsel before the Supreme Court of Canada, the Court of Appeal for Ontario, the Federal Court of Appeal, and the Divisional Court.
  • Brooke MacKenzie serves as duty counsel for licensees at the Law Society Tribunal.

In the community

  • Brooke MacKenzie has taught a Legal Ethics seminar as an adjunct professor at Osgoode Hall Law School since 2018.
  • Brooke MacKenzie writes a regular column on legal ethics and the regulation of lawyers for Slaw.ca, with posts going back to January 2021.

Good to know

A person using a wheelchairWheelchair accessibleA calendar with a checkmark beside a clockBy appointment

The neighbourhood

The office is in Courtyard Chambers, a shared barristers' suite on Adelaide Street East in downtown Toronto, a short walk from King subway station and served by the 504 King streetcar. A Green P garage at Richmond and Sherbourne streets handles parking for clients who drive in. Since much of the caseload involves the Law Society Tribunal and appellate courts, and clients often travel in from outside the city for a hearing or a meeting, the downtown, transit-accessible location fits the kind of work the practice does.

Frequently asked questions

I received a complaint letter from the Law Society of Ontario. Can Brooke MacKenzie help?
Yes. The practice represents lawyers and other regulated professionals through Law Society of Ontario and health profession college complaints, investigations, and discipline hearings, from an initial response through to a contested hearing if one becomes necessary.
Does Brooke MacKenzie handle appeals, or only trial level work?
The practice focuses on civil and administrative appeals and judicial reviews, including acting as lead counsel, as co-counsel, or in a background role drafting a factum or preparing a client for oral argument.
I'm a lawyer thinking about leaving my firm. Can Brooke MacKenzie advise on my professional obligations?
Yes. The practice advises lawyers and law firms on professional responsibility questions including firm departures, conflicts of interest, client confidentiality, and file transfers.
What courts and tribunals does Brooke MacKenzie appear before?
Brooke MacKenzie has appeared as counsel before the Supreme Court of Canada, the Court of Appeal for Ontario, the Federal Court of Appeal, the Divisional Court, and the Law Society Tribunal.
Is this a large firm or a solo practice?
It's a solo practice based in Toronto, working out of Courtyard Chambers on Adelaide Street East.
How do I get in touch or book a consultation?
Prospective clients can request an initial meeting through the online intake form on the firm's website, or reach the office by phone or email. A lawyer client relationship only begins once an engagement letter has been signed.

Where to find them

Courtyard Chambers, 258 Adelaide St E, Suite 201, Toronto ON M5A 1N1 · 416-304-9294

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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 ↗