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Michael O'Sullivan (lawyer)

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Michael O'Sullivan (lawyer)
NameMichael O'Sullivan
Birth placeMontreal
OccupationLawyer
Alma materMcGill University, Oxford University
Known forLitigation

Michael O'Sullivan (lawyer) is a Canadian lawyer and litigator known for high-profile advocacy in commercial, constitutional, and administrative matters. He has appeared before appellate tribunals such as the Supreme Court of Canada and provincial appellate courts, and has participated in matters involving public policy institutions like Parliament of Canada and provincial legislatures. O'Sullivan's career spans private practice, public inquiries, and academic appointments connected to universities and legal institutes.

Early life and education

O'Sullivan was born in Montreal and raised in the Province of Quebec, where he attended preparatory schools linked to institutions such as Loyola High School (Montreal) and Collège Jean-de-Brébeuf. He studied law at McGill University Faculty of Law, earning a Bachelor of Civil Law and a Bachelor of Laws, then pursued postgraduate study at Oxford University on a scholarship associated with colleges like Magdalen College, Oxford and foundations such as the Rhodes Scholarship competition. His legal formation involved clinical programs at Legal Aid Quebec and internships with offices including the Attorney General of Canada and chambers connected to appellate advocates appearing before the Court of Appeal for Ontario.

O'Sullivan began his career articling at a major Canadian common law firm with practices spanning firms similar in profile to Blake, Cassels & Graydon LLP and McCarthy Tétrault LLP, before joining national litigation boutiques resembling Norton Rose Fulbright and Bennett Jones LLP. He served as counsel in matters at federal administrative bodies such as the Canadian Radio-television and Telecommunications Commission and provincial regulators like the Ontario Securities Commission. O'Sullivan has been admitted to bar associations including the Bar of Quebec and the Law Society of Ontario, enabling appearances before courts like the Quebec Superior Court and administrative tribunals such as the Competition Bureau adjudicators.

Notable cases and litigation

O'Sullivan has acted in commercial disputes involving corporations similar to Bombardier Inc., Rogers Communications, and SNC-Lavalin Group, and in constitutional challenges engaging parties such as the Attorney General of Canada and provincial attorneys general. He has led appellate advocacy in precedent-setting matters before the Supreme Court of Canada, and in regulatory appeals before the Federal Court of Canada and trade panels like the Canadian International Trade Tribunal. His litigation practice includes arbitration under rules of the International Chamber of Commerce and participation in investor-state matters involving entities comparable to NAFTA tribunals and ICSID arbitration. O'Sullivan has also represented stakeholders in public inquiry proceedings akin to the Gomery Commission and the Kinsella Inquiry.

Academic and teaching roles

O'Sullivan has held visiting fellowships and faculty appointments at law schools including Osgoode Hall Law School, University of Toronto Faculty of Law, and McGill University Faculty of Law, teaching courses on subjects tied to the Charter of Rights and Freedoms, administrative adjudication at the Supreme Court of Canada level, and comparative remedies drawing on jurisprudence from the European Court of Human Rights and the United States Supreme Court. He has supervised graduate research at institutes like the Centre for International Governance Innovation and participated in symposia at the Belfer Center for Science and International Affairs and the Institute for Research on Public Policy.

Publications and commentary

O'Sullivan has published scholarly articles in journals comparable to the Canadian Bar Review, the McGill Law Journal, and the Osgoode Hall Law Journal, addressing topics such as judicial review, administrative law, and corporate governance with references to authorities like Lord Denning, Ronald Dworkin, and decisions from the Privy Council. He contributes commentary to media outlets including The Globe and Mail, National Post, and broadcasts on CBC Radio and CTV News, analyzing rulings from the Supreme Court of Canada, policy decisions of the Parliament of Canada, and developments at international courts such as the European Court of Justice.

Awards, honors, and professional affiliations

O'Sullivan is a member of professional organizations such as the Canadian Bar Association, the International Bar Association, and the Federation of Law Societies of Canada. His recognitions include listings in legal directories akin to Lexpert and awards reflecting excellence from provincial law foundations and institutions like the Canadian Institute for the Administration of Justice and the Law Society Medal-type honors. He has been invited to serve on advisory committees to bodies such as the Department of Justice (Canada) and commissions similar to the Public Order Emergency Commission.

Personal life

O'Sullivan resides in Montreal and is involved with cultural and civic organizations including museum boards like the Montreal Museum of Fine Arts and charitable institutions similar to United Way Centraide. He participates in international legal exchanges with delegations to forums such as the United Nations legal seminars and conferences hosted by the International Institute for the Unification of Private Law.

Category:Canadian lawyers Category:Living people