Alex is a commercial litigator. He has a broad-ranging practice with an emphasis on matters relating to securities and taxation. He advises issuers and shareholders in court proceedings involving shareholder remedies, corporate governance and corporate transactions.
Alex also acts for market participants in respect of investigations and proceedings before numerous securities regulatory authorities, and frequently acts for accountants and other professionals in both civil and professional discipline matters. Alex has an active tax litigation practice and acts for taxpayers in proceedings in the Tax Court of Canada, the Federal Court of Appeal and various provincial courts. Alex has appeared before all levels of court in Ontario, as well as superior and appellate courts in other provinces.
He has also represented clients in matters before the Ontario Securities Commission, the Financial Services Tribunal and CIRO. He has served as the chair of the Tax Litigation practice group of the Advocates’ Society, and as a member of the Securities Proceedings Advisory Committee of the Ontario Securities Commission.
Areas of Expertise
Representative Work
- Fiera Foods Company
Fiera Foods in its successful appeal from a Canada Revenue Agency ITC reassessment
- Nortel Networks Corporation
Nortel Networks Corporation in its execution of global settlement and support agreement
- Charter challenge, under the equality guarantee (s. 15), of the Income Tax Act provisions barring refugee claimants and their children from the Canada Child Benefit
- Toronto-Dominion Bank in its appeal against the Canada Revenue Agency’s reassessment
- A large financial services company in respect of an ongoing, multifaceted, cross-border regulatory matter
- A large accounting firm – in respect of a series of interrelated matters arising from tax services
- A large accounting firm – in respect of a complex investigation by a professional regulatory body
Fiera Foods in its successful appeal from a Canada Revenue Agency ITC reassessment
Nortel Networks Corporation in its execution of global settlement and support agreement
- A large financial services company in respect of an ongoing, multifaceted, cross-border regulatory matter
- A large accounting firm – in respect of a series of interrelated matters arising from tax services
- A large accounting firm – in respect of a complex investigation by a professional regulatory body
Latest Insights
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Blog October 24, 2025
First look: Ontario court clarifies Securities Act anti-reprisal protections
If protected activity is a motivating factor in a termination, employers may face liability even where there are also other motives.
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Blog August 13, 2025
Ontario Court of Appeal clarifies jurisdiction over global crypto platforms
Mere access to a global internet platform from Ontario is not enough to ground jurisdiction over foreign corporate defendants.
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Blog February 26, 2025
Recent developments in the U.S. SEC’s proceedings against major crypto players signals pro-industry policy shift
The U.S. SEC has moved quickly to shift its stance towards the crypto industry under President Trump’s administration.
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Blog February 6, 2025
Alberta lawyer faces sanctions for failing to identify a ‘pump and dump’ scheme
A recent decision highlights the importance of lawyers taking sufficient steps to identify “red flags” raised by their clients’ conduct.
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Awards and Recognition
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Recognized in Litigation – Securities (Ontario)
—Chambers Canada -
Recognized in Litigation – Securities; Litigation – Corporate Tax
—The Canadian Legal Lexpert Directory -
Recognized in Corporate and Commercial Litigation
—Best Lawyers in Canada
Media Mentions
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Media Mentions June 2, 2022
How the investment industry can prepare for a rise in client complaints amid the market downturn – The Globe and Mail
Alexander Cobb, a litigation partner in Osler’s Toronto office speaks to the Globe and Mail about how financial advisors can prepare for an...
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Credentials
Education
- Osgoode Hall Law School, LL.B.
Languages
- English
Professional Affiliations
- The Advocates' Society
- Canadian Bar Association