

Partner at McCarthy Tétrault LLP
Shane C. D’Souza is a distinguished Canadian lawyer and a recognized leader in the field of commercial and securities litigation. As a partner at McCarthy Tétrault LLP and a leader of the firm’s Critical Situations & Shareholder Activism Group, Shane advises clients on a national scale, offering deep expertise in complex securities litigation, regulatory matters, and high-stakes shareholder disputes. Clients turn to him for strategic counsel in M&A litigation, proxy contests, securities enforcement proceedings, and regulatory disputes within the evolving wealth industry.
Shane’s robust practice includes conducting thorough internal investigations concerning potential breaches of securities law, anti-corruption and bribery legislation, fraud, and other regulatory violations. His considerable experience extends to securities class actions, having successfully co-led one of the rare class action trials concerning common issues. Many of Shane’s mandates involve intricate cross-border elements, making him a valuable resource for both domestic and international clients.
A sought-after speaker, Shane frequently addresses conferences on topics such as securities law, corporate governance, and shareholder activism. He is also committed to legal education and currently serves as an Adjunct Professor at the University of Western Ontario Law School, teaching Corporate Crime, Crisis & Culture, and as an Adjunct Moot Advisor for the University of Toronto Law School’s Corporate Securities Competitive Moot Program. Previously, Shane was an Adjunct Professor of Advanced Securities at Osgoode Hall.
Shane contributes to the profession beyond his practice, serving on the firm’s national Pro Bono Committee and Student Committee. He is also a dedicated mentor within the Osgoode Hall Mentorship Program, supporting the next generation of legal talent.
Areas of Expertise: Commercial Litigation, Securities Litigation, Shareholder Activism, Regulatory Matters, M&A Litigation, Proxy Litigation, Securities Enforcement, Wealth Industry Disputes, Securities Class Actions, Internal Investigations, Cross-Border Litigation.
Affiliations: Adjunct Professor, University of Western Ontario Law School; Adjunct Moot Advisor, University of Toronto Law School; Former Adjunct Professor, Osgoode Hall; Member, McCarthy Tétrault Pro Bono Committee; Student Committee; Osgoode Hall Mentorship Program.
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