Atty. Derek G. Chiasson
Derek Chiasson is a partner in our tax team. His principal focus is on domestic and international tax aspects of mergers and acquisitions, corporate finance and corporate reorganizations, for public and private corporations.
Profile Summary
About Derek G. Chiasson at a glance
Derek G. Chiasson is a tax attorney based in Montreal, Quebec, practicing at Norton Rose Fulbright Canada LLP. Recognitions include Best Lawyers in America — Tax Law (2026). Serves clients in Montreal, QC and the surrounding metropolitan area.
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About
- Derek Chiasson is a partner in our tax team
- His principal focus is on domestic and international tax aspects of mergers and acquisitions, corporate finance and corporate reorganizations, for public and private corporations
- He also regularly advises on tax disputes, commodity taxes and executive compensation
- Derek leverages his broad experience to bridge tax, finance and legal aspects of the transactions and reorganizations he works on, while maintaining strong technical skills, attention to detail and creativity
- He also has industry experience, having served as vice-president, corporate development/strategy and legal affairs of a multi-national US public company in the video game industry listed on the NASDAQ exchange
Practice Areas Explained
Derek G. Chiasson's Areas of Practice
Each practice area below reflects the types of cases Derek G. Chiasson handles, with a brief overview of what that area of law covers.
Tax attorneys handle IRS audits, tax debt, international tax, estate planning, and tax court litigation.
Derek G. Chiasson is one of 77,130 tax attorneys indexed nationally. Browse tax attorneys in Quebec →
Jurisdictional Context
Why local counsel matters in Quebec
Practicing law in Quebec. Legal matters in Quebec are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in Montreal are typically filed in the local municipal court or the appropriate Quebec state district court, depending on subject matter and amount in controversy. An attorney licensed in Quebec brings working knowledge of local procedural deadlines, judicial practices in this venue, and the substantive law that applies to cases brought here. Out-of-state attorneys generally cannot represent clients in Quebec courts without local counsel or pro hac vice admission.
Looking for additional Quebec attorneys? Browse all attorneys in Montreal or all attorneys in Quebec.
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