About M.B. Miller Law

M.B. Miller Law is a litigation practice in Toronto, founded by Michael B. Miller. The office is at 162 Cumberland Street, in the Yorkville neighbourhood, and the practice focuses on business and commercial litigation, class actions, tax litigation, employment law, personal injury, and mediation.

Miller has practised as a business litigator and mediator in downtown Toronto for more than 40 years. Before opening this firm, Miller was a senior partner at Dickinson Wright LLP on Bay Street. Miller holds a J.D. along with an LL.M. in Alternative Dispute Resolution from Osgoode Hall Law School and an M.Ed. in Applied Psychology from the University of Toronto's School of Graduate Studies, and is a Certified Mediator (C.Med.) on the Attorney General's List of Approved Mediators.

The firm's litigation work covers breach of contract, shareholder disputes, injunctions, and investor conflicts, for clients that range from financial institutions and corporations to individuals and investor groups. It also acts for real estate developers in disputes involving municipalities, ratepayer associations, and environmental groups.

The neighbourhood

M.B. Miller Law's office is on Cumberland Street in Yorkville, a block north of the shops along Bloor Street. Yorkville started out as a village north of Toronto in the 1830s and later became known, in the 1960s, as the city's bohemian centre. Its Victorian-era streetscape is now filled with art galleries, hotels, and upscale retailers rather than office towers. The firm's founder, Michael B. Miller, previously practised on Bay Street as a senior partner at Dickinson Wright LLP, before opening this office in Yorkville.

Frequently asked questions

What kinds of legal matters does M.B. Miller Law handle?
The firm's practice covers business and commercial litigation, class actions, tax litigation, employment law, personal injury, and mediation.
Does M.B. Miller Law represent individuals, or only companies?
Both. The firm's client base includes financial institutions, national and regional corporations, individuals, and investor groups.
Can M.B. Miller Law help resolve a dispute without a court case?
Yes. Michael B. Miller is a Certified Mediator on the Attorney General's List of Approved Mediators and takes on mediation work alongside litigation.
Does the firm handle disputes between business partners or shareholders?
Yes, the corporate and commercial practice covers contract negotiations, mergers and acquisitions, and disputes between business partners and shareholders.
Does M.B. Miller Law act for real estate developers?
Yes. The firm represents real estate developers in disputes involving municipalities, ratepayer associations, and environmental groups.
Where is M.B. Miller Law located?
The office is at 162 Cumberland Street, Suite 228, in Toronto's Yorkville neighbourhood.

Where to find them

162 Cumberland Street, Suite 228, Toronto, Ontario M5R 3N5 · 416-270-9708

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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 ↗