Atty. Pierre Bienvenu, Ad. E.
Pierre Bienvenu, Ad. E. is a disputes lawyer with more than 35 years’ experience in international commercial arbitration, corporate and commercial litigation, and constitutional law.
Profile Summary
About Pierre Bienvenu, Ad. E. at a glance
Pierre Bienvenu, Ad. E. is a business, securities, litigation, government, and adr attorney based in Montreal, Quebec, practicing at IMK s.e.n.c.r.l/LLP. They have 43+ years of legal experience, licensed to practice since 1983. Admitted to practice in Quebec, Barreau du Québec (1983). Educated at University of Montreal (—, 1981). Recognitions include Best Lawyers in America — Administrative and Public Law (2026), Best Lawyers in America — Alternative Dispute Resolution (2026), and Best Lawyers in America — Appellate Practice (2026). Serands clients in Montreal, QC and the surrounding metropolitan area.
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About
- Pierre Bienvenu, Ad
- E. is a disputes lawyer with more than 35 years’ experience in international commercial arbitration, corporate and commercial litigation, and constitutional law
- He has acted as counsel or served as arbitrator in international arbitrations involving disputes in energy, transportation, telecommunications, mergers and acquisitions, construction, pharmaceuticals, international distribution and joint ventures, and foreign investment
- A former co-chair of the IBA’s Arbitration Committee (2008-2009), Pierre has served on the LCIA Court (2010-2015), of which he was a vice-president, the ICC International Court of Arbitration (2015-2021), and is currently a member of the Court of Arbitration of the Singapore International Arbitration Center (SIAC)
- He was appointed by the Government of Canada to ICSID’s Panel of Arbitrators in 2021 for a six-year term and was elected to the ICCA Governing Board in 2024 for a four-year term
- He remains a long-serving member of the ICC Commission on Arbitration and ADR
- As co-chair of the IBA Arbitration Committee, Pierre oversaw the 2010 revisions to the IBA Rules on the Taking of Evidence in International Arbitration and later lead the 2014 revisions to the IBA Guidelines on Conflicts of Interest in International Arbitration
- In parallel to his international arbitration practice, Pierre maintained a busy practice as counsel before Canadian courts
- He has participated in numerous challenges to the constitutional validity of provincial and federal legislation and has extensive experience in public law litigation
- He appeared in more than 15 appeals before the Supreme Court of Canada, representing government, institutions, corporations and individuals in a range of international, constitutional and commercial law disputes, including representing the Attorney General of Canada in the landmark Reference re Secession of Quebec, the federally appointed judiciary in the Bodner case and the recent Reference concerning the Jurisdiction of the Court of Quebec, the successful party in the highly publicized Eric v Lola equality case, as well as in the recent Churchill Falls case, dealing with contractual good faith and changed circumstances
- He also acted as co-counsel for BCE and Bell Canada in their successful appeal to the Supreme Court to approve a plan of arrangement for the $50 billion leveraged buyout of BCE by a private equity consortium
- Pierre intervened on behalf of the LCIA, the ICC Court and the Canadian Commercial Arbitration Centre in four appeals to the Supreme Court of Canada raising international arbitration issues, most recently in the Uber case, which concerned the application of the compétence/compétence principle to the ICC arbitration clause contained in the licensing agreement entered into by Uber drivers
- Pierre practiced for more than 35 years at Norton Rose Fulbright Canada (previously Ogilvy Renault LLP). He was managing partner of Ogilvy Renault from 2005 to 2009 and chaired its executive committee from 2005 to 2011
- He served on the global supervisory board of Norton Rose Fulbright from 2011 to 2014 and was global co-head of the firm’s international arbitration practice between 2011 and 2022
- He withdrew from the partnership of Norton Rose Fulbright in June 2022 and joined IMK LLP in July 2022 to focus on his practice as an international arbitrator
- He is also a member of Arbitration Place’s roster of arbitrators
- Pierre is a Fellow of the American College of Trial Lawyers and the Chartered Institute of Arbitrators
- He was awarded the distinction Advocatus Emeritus by the Quebec Bar in 2008, and the Paul-André Crépeau Medal by the Canadian Bar Association in 2013 for his contribution to the advancement of the international dimension of private law and commercial law in Canada
- He has been ranked among the top 25 most highly regarded individuals in the practice of international arbitration worldwide in Who’s Who Legal’s International Who’s Who of Commercial Arbitration
Practice Areas Explained
Pierre Bienvenu, Ad. E.'s Areas of Practice
Each practice area below reflects the types of cases Pierre Bienvenu, Ad. E. handles, with a brief overview of what that area of law covers.
Business attorneys advise founders and growing companies on entity formation, contracts, financing, M&A, and dispute resolution.
Pierre Bienvenu, Ad. E. is one of 501,317 business attorneys indexed nationally. Browse business attorneys in Quebec →
Pierre Bienvenu, Ad. E. is one of 64,529 securities attorneys indexed nationally. Browse securities attorneys in Quebec →
Civil litigation attorneys for breach of contract, business disputes, civil rights, and class action lawsuits.
Pierre Bienvenu, Ad. E. is one of 454,532 litigation attorneys indexed nationally. Browse litigation attorneys in Quebec →
Attorneys for administrative law, agency hearings, government contracts, licensing, and public benefits.
Pierre Bienvenu, Ad. E. is one of 132,225 government attorneys indexed nationally. Browse government attorneys in Quebec →
Mediators and arbitrators for civil, commercial, family, and employment dispute resolution.
Pierre Bienvenu, Ad. E. is one of 73,906 adr attorneys indexed nationally. Browse adr attorneys in Quebec →
Jurisdictional Context
Why local counsel matters in Quebec
Practicing law in Quebec. Legal matters in Quebec are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in Montreal are typically filed in the local municipal court or the appropriate Quebec state district court, depending on subject matter and amount in controversy. An attorney licensed in Quebec brings working knowledge of local procedural deadlines, judicial practices in this andnue, and the substantive law that applies to cases brought here. Out-of-state attorneys generally cannot represent clients in Quebec courts without local counsel or pro hac vice admission.
Looking for additional Quebec attorneys? Browse all attorneys in Montreal or all attorneys in Quebec.
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