LAWYER PROFILE
Robert Brush

Robert Brush

Canada 2026

Chambers ranking badge
Chambers ranking badge

Ranked in 2 practice areas

Litigation: General Commercial

Ontario

3 years ranked

About

Provided by Crawley MacKewn Brush LLP

Canada

Practice Areas

Robert Brush is recognized as one of Canada’s leading securities and corporate commercial litigation lawyers. In addition to being recognized as Securities Litigation Lawyer of the Year for 2020 by Benchmark Litigation, Robert has been recognized by Lexpert as one of the Top 500 Lawyers in Canada and has been featured in the Lexpert Special Edition on Canada’s Leading Litigation Lawyers. He has also been recognized as a leading corporate commercial litigator by Best Lawyers in Canada and as a leader in the field of securities litigation by Chambers Canada.

Robert regularly represents public companies, investment dealers, officers, directors, shareholders, investment advisors and investors in the myriad disputes that can arise in the capital markets. His securities litigation practice includes class actions, proceedings before securities regulators, director and officer liability claims, shareholder and corporate governance disputes, oppression remedy matters, takeover bid litigation, negligence claims against investment advisors and dealers, cyber-fraud investigations and claims in the financial sector, and wrongful dismissal suits against investment firms. He has extensive experience representing individual and corporate respondents before the Ontario Securities Commission (OSC), the Canadian Investment Regulatory Organization (CIRO) (formerly, the Investment Industry Regulatory Organization of Canada (IIROC) and the Mutual Fund Dealers Association (MFDA)), and the Financial Services Commission of Ontario (FSCO).

Robert also has a wide-ranging commercial litigation practice that includes disputes arising out of mergers and acquisitions, breach of contract suits, fraud and cyber-fraud investigations and claims, business tort claims, wrongful dismissal actions and professional negligence suits.

He has appeared before all levels of court in Ontario and, due to his expertise in corporate and securities matters, has been counsel on a wide range of civil cases, class actions and regulatory proceedings across the country. He is a frequent speaker on corporate, securities and civil litigation issues and is a skills instructor at trial practice workshops put on by The Advocates’ Society.

Awards

Top 500 Lawyers in Canada

Lexpert

2025

Securities Litigator of the Year

Benchmark Litigation

2020

Litigation Star

Benchmark Litigation

2025

Securities Litigation, Band 2

Chambers

2025

Litigation General Commercial

Chambers

2025

Chambers Review

Provided by Chambers

Chambers Canada Guide

Litigation: Securities - Ontario

Band 2
Band 2

Individual Editorial

Based in Toronto, Robert Brush is best recognised for his work in investment dealer disputes and litigation resulting from failed corporate transactions. He also impresses representing both corporate and individual clients.

Litigation: General Commercial - Ontario

Band 4
Band 4

Individual Editorial

Based in Toronto, Robert Brush is best recognised for his work in investment dealer disputes and litigation resulting from failed corporate transactions. He also impresses representing both corporate and individual clients.

Strengths

Provided by Chambers

  • Robert Brush makes you feel that you are his priority

    Litigation: SecuritiesChambers Canada Guide
  • Robert has a great ability to distil complex issues into simple and straightforward advocacy.

    Litigation: SecuritiesChambers Canada Guide
  • He is almost surgical in his precision, he is able to show the court his point and achieve the desired outcome.

    Litigation: SecuritiesChambers Canada Guide
  • He has an exceptional client service mindset, a strategic legal mind and a practical business perspective.

    Litigation: SecuritiesChambers Canada Guide
  • He is truly a brilliant litigation strategist.

    Litigation: SecuritiesChambers Canada Guide

Ranked Individuals at Crawley MacKewn Brush LLP (13)

Nationwide - Canada

Ontario

What success is built on

Chambers is the leading data and intelligence partner for the legal sector.

Explore thought leadership