Simon is a formidable advocate trusted by clients and colleagues alike with their most complex disputes. Colleagues describe Simon as “the type of lawyer who people like to have on the same side of a file and you feel comfortable trusting clients with”. Clients describe him as “an excellent lawyer and business partner” and “exceptional in every facet of the litigation process.” They appreciate that “he gives honest, candid and frank advice and gets the job done” (Chambers, 2024).
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With a practice spanning Canada and the US, Simon focuses on commercial and corporate litigation, directors’ and officers’ liability, securities litigation, class actions, and professional negligence. Simon represents a broad range of clients, including various regulated professionals, directors and officers, oppressed shareholders, and public and private companies.
Simon delivers results, both in and out of the courtroom. He has a robust trial and appellate practice, appearing regularly at all levels of court in Ontario and Canada-wide, as well as administrative tribunals in Ontario, British Columbia, Alberta, Saskatchewan, and Manitoba regulating securities and capital markets, accountants, and lawyers. Simon also regularly mediates and arbitrates commercial matters, typically involving the interpretation of commercial agreements, price adjustments and disputes over fair value.
Simon’s excellence in advocacy is consistently recognized by his peers and leading legal publications. In 2019, Lexpert named Simon one of Canada’s leading lawyers under 40. That same year he was invited to become a Fellow of the Litigation Counsel of America, an honour extended to less than one-half of one percent of North American lawyers, recognizing excellence in trial advocacy. Chambers has in all years since 2019 recognized Simon’s expertise in commercial litigation and Benchmark has similarly ranked him a “Litigation Star”. Lexpert and Best Lawyers consistently recognize Simon’s expertise in corporate commercial litigation, directors’ and officers’ liability, securities litigation, arbitration and international arbitration, regulatory and public law, and professional liability.
Simon is on the Board of the Directors of the Advocates’ Society, and is a Member of the Securities Proceedings Advisory Committee of the Ontario Securities Commission. He participated in the Litigation Assistance Program which offered pro bono representation to respondents in proceedings at the Ontario Securities Commission (now, Capital Markets Tribunal). Simon is regularly invited to present at legal seminars and conferences, particularly on securities litigation and directors’ and officers’ liability. Simon is the co-author of a text published by LexisNexis titled Directors’ and Officers’ Liability in Canada, which he is presently updating with a colleague.
Simon graduated from the University of Memphis School of Law in 2005 with its gold medal. Before co-founding Adair Goldblatt Bieber LLP, Simon worked in the litigation department of Stikeman Elliott LLP and was the managing partner of Wardle Daley Bernstein Bieber LLP.
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Canadian Lexpert® Directory
"Repeatedly Recommended" for Litigation - Commercial Arbitration
2016-2024 -
Canadian Lexpert® Directory
"Consistently Recommended" for Litigation - Securities
2016-2024 -
Canadian Lexpert® Directory
"Repeatedly Recommended" for Litigation - Directors' & Officers' Liability
2016-2024 -
Canadian Lexpert® Directory
"Repeatedly Recommended" for Litigation - Professional Liability
2016-2024 -
Canadian Lexpert® Directory
"Consistently Recommended" for Litigation - Corporate Commercial
2016-2024 -
Canadian Lexpert® Directory
"Repeatedly Recommended" for Litigation - Regulatory and Public Law
2016-2024 -
Lexpert® Special Edition: Litigation
Recognized as one of Canada's Leading Litigation Lawyers
2023-2024 -
Chambers & Partners
Litigation: General Commercial, Band 4
2024-2025 -
Benchmark Litigation
Litigation Star
2019-2024 -
Litigation Counsel of America
Fellow of the Litigation Counsel of America
2019-2024 -
Best Lawyers™
Recognized for Corporate & Commercial Litigation, Administrative & Public Law, and International Arbitration
2020-2025 -
Chambers & Partners
Litigation: General Commercial, Band 5
2019-2023 -
Benchmark Litigation
"Repeatedly Recommended" for Corporate Commercial Litigation and Regulatory & Public Law Litigation
2019-2023 -
Lexpert®
Lexpert® Rising Star: Leading Lawyers Under 40
2017
- Board of Directors, The Advocates’ Society
- Fellow, Litigation Counsel of America
- Co-Author, Directors’ and Officers’ Liability in Canada, LexisNexis (2015)
- Member, Securities Proceedings Advisory Committee of the Ontario Securities Commission
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Re Carrigan
2024 CIRO 70
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El Halabi et al. v. Dr. Reslan et al.
2024 ONSC 5341
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Ahmad v. Peel Regional Police Services Board
2024 ONSC 2474
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Ren v. Eastern Platinum Limited
2023 BCSC 404, 2024 BCCA 109
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4818106 Manitoba Ltd. v. Shindico Limited Partnership et al.
CI 22-01-35153
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Duninger Corporation v. Montour
2023 ONSC 5152
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10443204 Canada Inc. v. 2701835 Ontario Inc.
2022 ONCA 745
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TriDelta Investment Counsel Inc. v. GTA-Mixed-Use
2022 ONSC 6106
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Hussain v. Flora
2022 ONSC 4307
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Dussault et al v. Tong et al
2022 ONSC 3866
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Khavari v. Mizrahi
CV-15-11187-00CL
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Kauf v. Colt Resources Inc.
2019 ONSC 2179, 2021 ONSC 2814
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Chahine vs. CS Capital Limited
2021 ONSC 2832
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2538520 Ontario Ltd. v. Eastern Platinum Limited
2020 BCCA 313
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Alectra Utilities Corporation v. Solar Power Network
2019 ONCA 254
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Law Society of Ontario v. Leahy
2018 ONCA 1010, 2018 ONSC 4722
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AGB continues to rise in Chambers Canada 2025
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12 AGB lawyers recognized by Best Lawyers
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Robert Stellick quoted in Globe and Mail on Anti-SLAPP Litigation
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AGB lawyers shine in the 2024 Benchmark Litigation Canada Guide
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AGB successfully defends leave for derivative action at British Columbia Court of Appeal
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AGB lawyers identified as Leading Practitioners in the 2024 Canadian Legal Lexpert Directory
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AGB lawyers successfully defend motion for permanent stay following alleged failure to disclose litigation landscape-changing settlement
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Adair Goldblatt Bieber represents former MP Raj Grewal in lawsuit against RCMP and Attorney General
Bar Admissions
- Ontario, 2008
- Tennessee, 2005
Education
- JD (Gold Medalist), University of Memphis School of Law, 2005
- BA, University of Western Ontario, 2002