Atty. Lynne O'Brien

Atty. Lynne O'Brien

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Lynne O'Brien is a litigation lawyer based in Toronto. She has a broad commercial litigation and advisory practice in the areas of financial services, corporate governance, insolvency, securities regulation and fraud.Lynne also practises estate litigation, providing advice on a range of issues, including will challenges, dependent support and guardian applications, contested passing of accounts, estate administration and disputes involving trusts.She frequently conducts investigations for clients across a variety of sectors engaging issues of corporate governance, insider trading, fraud, breac

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About

Lynne O'Brien is a litigation lawyer based in Toronto. She has a broad commercial litigation and advisory practice in the areas of financial services, corporate governance, insolvency, securities regulation and fraud.Lynne also practises estate litigation, providing advice on a range of issues, including will challenges, dependent support and guardian applications, contested passing of accounts, estate administration and disputes involving trusts.She frequently conducts investigations for clients across a variety of sectors engaging issues of corporate governance, insider trading, fraud, breach of company policies, harassment and workplace-related issues.Lynne also leads various eDiscovery initiatives across the firm, providing advice and managing client related matters in a strategic, cost- effective manner.Lynne has appeared before all levels of court in Ontario. Her alternative dispute resolution experience includes appearances at arbitrations and mediations in a variety of disputes.

Awards

Best Lawyers in America — Corporate and Commercial Litigation
- 2026
Best Lawyers in America — Trusts and Estates
- 2026

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