Andrew Matheson: Lawyer with McCarthy Tétrault LLP

Andrew Matheson

Toronto,  ON  Canada

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Experience & Credentials

Practice Areas

  • Corporate Commercial Litigation
  • Litigation
  • Securities Litigation
  • White Collar Defence and Investigations
Mailing AddressSuite 5300, TD Bank Tower, Toronto Dominion Centre, Toronto, ON, M5K 1E6
University McGill University, B.A., with distinction, 1992
Law SchoolUniversity of Victoria Law School, LL.B., 1995; Columbia University, LL.M., 2003
Admitted1997, Ontario; 2004, New York

Andrew Matheson is a partner in our Litigation Group in Toronto. He specializes in securities litigation, white collar and regulatory defence and cross-border matters.

Mr. Matheson has diverse advocacy experience in sensitive and complex litigation. He has represented clients at all levels of the Ontario court and before various administrative and disciplinary tribunals in the province. In addition, he practised litigation in New York City with Allen & Overy for four years. He started his career working with Edward L. Greenspan, Q.C., defending criminal prosecutions. Now his practice encompasses internal investigations, criminal and quasi-criminal defence, and securities-related matters, including enforcement, contested transactions and class actions. He was a member of the McCarthy Tetrault team that successfully defended the former CEO of Nortel on criminal fraud charges.

Lexpert magazine recognized Mr. Matheson as one of Canada's 40 Leading Lawyers under 40 in November 2008.

Mr. Matheson is active in pro bono work having acted for Guantanamo Bay detainees in habeas corpus litigation and assisted needy clients in criminal, immigration, commercial and other matters. He is an adjunct professor at University of Toronto Law School, where he co-teaches Shareholder Activism and advises the Corporate Securities Moot team. He is a co-editor of CCH's Annotated Ontario Securities Legislation.

Upon his graduation from the University of Victoria Law School in 1995, he was awarded the McIntyre Prize for academic excellence, leadership and community involvement. He completed his LL.M. at Columbia University in 2003, graduating as a Stone Scholar.


•“Responding to a Money-laundering Investigation”, co-written with Justin Nasseri, Financier Worldwide, February, 2014
•“Hot Topics in Cross-Border Securities Litigation,” Lexpert, November 2009
•“The Globalization of Securities Class Actions,” prepared for a panel presentation at the American Bar Association Litigation Section's 2009 Annual Conference in Atlanta, Georgia on April 30, 2009
•“Recent OSC Settlements Highlight Increasing Enforcement Risk for Public Company Insiders,” client e-Alert published by The Business Law and Litigation Groups, February 13, 2009
•“Market MACs,” McCarthy Tetrault Co-Counsel: Litigation, Volume 2, Issue 3, November 2008 - February 2009
•“The Right to Be Wrong ... Why Should Anyone Be Wrong,” McCarthy Tetrault Co-Counsel - Business Law Quarterly, Volume 3, Issue 2, June 18, 2008
•“The Cost of Compliance: Production Orders and Who Should Pay,” Toronto Lawyers' Association, Vol. 3, No. 1, January 2008
•“New in Class Actions: The Kerr v. Danier Leather Decision,” Canadian Corporate Counsel Association Magazine, 2008
•“My Mistake, Your Mistake or Common Mistake,” McCarthy Tetrault Co-Counsel: Litigation, Volume 1, Issue 2, July-October 2007
•“A Brief on Guantanamo Bay ... by a Canadian,” Ontario Bar Association's Briefly Speaking, August/September 2007
•“Why Foreseeable Harm Should Be an Aspect of the Mens Rea of Honest Services Fraud,” American Journal of Trial Advocacy, Volume 28:20, Fall 2004
•“Available in America: Punitive Damages in Arbitration,” International Arbitration Law Review, Vol. 7, Issue 4, August 2004 (with Pamela Rogers Chepiga)
•“Rybicki Revives Old Questions About Honest Services Fraud,” New York Law Journal, July 19, 2004 (with Michael F. Feldberg)
•“Discipline and Parole,” Queen's Quarterly, Vol. 105, Issue 1, March 1998, with Edward L. Greenspan, QC and Ronald Davis

Reported CasesREPRESENTATIVE CASES; obtaining emergency injunctions to remove trespassers from resource sector client assets; assisting a multinational company's compliance with a deferred prosecution agreement; defending the former CEO of Nortel, acquitted of criminal fraud charges; successful representation of financial institution accused of breaching privacy in the course of anti-money laundering investigation; securing withdrawal of quasi-criminal charge in relation to alleged property standards violation; representing GrowthWorks before the Ontario Securities Commission (""OSC"") in relation to a contested proxy contest; acting for a major financial institution in connection with an investigation into the failure of the third-party asset-backed commercial paper market; representing Mason Capital at the OSC hearing concerning Magna International Inc.'s buyout of Frank Stronach's multiple voting shares; bringing an application before the OSC on behalf of a minority shareholder challenging related party transactions by MI Developments Inc.; successfully obtaining a motion to dismiss claims against U. S. Steel in a $1.8-billion action brought by ArcerlorMittal Dofasco; representing Inukshuk Wireless Partnership in dismissal of claims brought by UBS Wireless Services Inc.; successfully defending a financial institution criminally charged with failure to respond to production orders

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What Happens When OSC Staff Can’t Prove Its Allegations? Lessons from the Baffinland Insider Trading Saga
Shane C. D'Souza,Andrew Matheson,Shea T. Small,Rene R. Sorell, September 18, 2014
Securities regulators pursuing allegations of insider trading typically allege not only that respondents have violated the statute but also that their conduct is contrary to the public interest. When a regulator fails to demonstrate a violation of the statute, what are the limits on using the...

Deemed Reliance in the U.S. Supreme Court
Eric S. Block,Andrew Matheson,Dana M. Peebles,Stephanie Sugar, July 25, 2014
On June 23, 2014, the United States Supreme Court issued its much-anticipated decision in Halliburton Co. v. Erica P. John Fund (“Halliburton”), as issuers and investors in the U.S. (and Canada) wanted to see if the landscape for securities class actions in both countries would be...
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Office Information

Andrew Matheson

66 Wellington Street
TorontoON M5K 1E6


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