International Law

Ontario International Commercial Arbitration Guide 2024

International Commercial Arbitration Act (ICAA), UNCITRAL Model Law, institutional arbitration (ICC/LCIA/ICDR/SIAC), seat of arbitration, enforcement of foreign awards under the New York Convention, and drafting arbitration clauses.

December 202414 min readInternational Law

Ontario's International Arbitration Framework

Ontario is a Model Law jurisdiction. The International Commercial Arbitration Act, 2017 (ICAA) incorporates the UNCITRAL Model Law on International Commercial Arbitration (as revised in 2006) and the Convention on the Recognition and Enforcement of Foreign Arbitral Awards (New York Convention, 1958). Ontario courts have consistently demonstrated a strong pro-arbitration stance, refusing to intervene in arbitral proceedings and enforcing awards on a summary basis.

Toronto is increasingly used as a seat of arbitration for North American commercial disputes — benefitting from Toronto's neutrality between US and international parties, its sophisticated commercial courts (Commercial List of the Ontario Superior Court of Justice), and its position in a Model Law jurisdiction.

ICAA vs Arbitration Act, 1991: The ICAA applies when the dispute is international (parties have their places of business in different states). The Ontario Arbitration Act, 1991 applies to domestic arbitration (parties both in Ontario/Canada). The distinction matters for grounds to appeal and set aside — the domestic act permits broader appeal rights on questions of law; the ICAA (Model Law) limits setting aside to the narrow Art. 34 grounds.

UNCITRAL Model Law: Key Articles for Ontario Practitioners

ArticleSubjectKey Rule
Art. 7Definition and form of arbitration agreementAgreement must be in writing (broadly defined to include electronic communications); Model Law accepts option 1 (broad written form) or option 2 (no writing requirement)
Art. 8Arbitration agreement and substantive claim before courtCourt before which a claim is brought must refer parties to arbitration on application if arbitration agreement is not null, void, inoperative, or incapable of being performed
Art. 11Appointment of arbitratorsParties free to agree on procedure; default: for 3-arbitrator panel, each party appoints one, two-party-appointed arbitrators appoint presiding arbitrator; court may appoint if mechanism fails
Art. 16Competence of arbitral tribunal (Kompetenz-Kompetenz)Tribunal may rule on its own jurisdiction including objections to existence/validity of arbitration agreement; separability of arbitration clause from main contract
Art. 17Power of arbitral tribunal to order interim measuresTribunal may order interim measures; emergency arbitrator provisions under Art. 17B-17G (2006 amendments)
Art. 34Application for setting aside awardExclusive remedy to challenge award; limited grounds; 3-month limitation period from receipt of award; no appeal on merits
Art. 35-36Recognition and enforcement of awardAwards recognized and enforceable regardless of country of origin; grounds to refuse enforcement mirror New York Convention; must produce award and agreement

Major Arbitral Institutions Used in Ontario Disputes

ICC (International Chamber of Commerce)

Seat options: Parties designate; ICC Court fixes seat if parties cannot agree
Rules: ICC Rules of Arbitration (2021); comprehensive procedural framework; terms of reference; scrutiny of awards
Strengths: Globally recognized; strong for complex multi-party and high-value commercial disputes; extensive arbitrator pool
Costs: ICC administrative fees plus arbitrator fees; higher administrative fees for very large claims

LCIA (London Court of International Arbitration)

Seat options: Parties designate; LCIA default is London
Rules: LCIA Rules (2020); emergency arbitrator; consolidation provisions
Strengths: Strong for UK/Commonwealth matters; efficient for English law disputes; competitive fees
Costs: Hourly-rate based fees for arbitrators and LCIA; cost-effective for complex matters

ICDR (International Centre for Dispute Resolution — AAA)

Seat options: Parties designate; default New York
Rules: ICDR International Arbitration Rules (2021); emergency measures; expedited procedures
Strengths: Strong North American presence; AAA/ICDR expertise in US disputes; widely used in US commercial contracts
Costs: Administrative fees plus arbitrator compensation; competitive for mid-size disputes

SIAC (Singapore International Arbitration Centre)

Seat options: Parties designate; default Singapore
Rules: SIAC Rules (2025); emergency arbitrator; consolidation; early dismissal
Strengths: Preferred for Asia-Pacific disputes; modern rules; competitive costs; Singapore is Model Law jurisdiction
Costs: Ad valorem administrative fees; competitive fee schedule

ADRIC (ADR Institute of Canada) / BCICAC

Seat options: Parties designate; default in Canada
Rules: ADRIC Rules; domestically focused; also ad hoc UNCITRAL Rules
Strengths: Canadian-specific; lower costs than ICC/LCIA for Canadian domestic-international disputes
Costs: Lower administrative fees; Canadian arbitrator fees

Enforcing Foreign Awards in Ontario: New York Convention

Canada is a party to the New York Convention (1958). The ICAA implements the Convention in Ontario. To enforce a foreign award:

Procedure

  • File application in Ontario Superior Court of Justice (Commercial List if in Toronto)
  • Serve respondent with notice of application and supporting materials
  • Produce original award + original agreement (or certified copies); official translation if not in English or French
  • Court grants recognition and enforcement on summary basis unless respondent raises grounds to refuse
  • Once recognized, award is enforced as an Ontario court judgment

Grounds to Refuse (ICAA Art. 36 / NY Convention Art. V)

  • No valid arbitration agreement (invalid under applicable law)
  • No proper notice or party unable to present its case
  • Award deals with matter beyond the scope of the submission
  • Composition of tribunal not as agreed
  • Award not yet binding or has been set aside at the seat
  • Dispute not capable of settlement by arbitration under Ontario law
  • Recognition contrary to Ontario public policy

Public policy: Ontario courts interpret the public policy exception narrowly. Only awards that are fundamentally offensive to the basic principles of justice — not merely incorrect or contrary to Ontario law — will be refused enforcement on public policy grounds. Ontario courts have enforced awards from many civil law jurisdictions (China, Russia, UAE) on this basis.

Drafting Effective International Arbitration Clauses

A well-drafted arbitration clause is essential — ambiguous or pathological clauses generate satellite litigation on scope and procedure before the arbitration can proceed. Essential elements:

Sample ICC clause (Toronto seat):

"Any dispute, controversy or claim arising out of or relating to this contract, or the breach, termination or invalidity thereof, shall be settled by arbitration in accordance with the ICC Rules of Arbitration. The seat of arbitration shall be Toronto, Ontario, Canada. The arbitral tribunal shall consist of [one/three] arbitrator[s]. The language of the arbitration shall be English. This arbitration agreement shall be governed by the laws of the Province of Ontario and the laws of Canada applicable therein."

  • Seat vs venue: The seat is the legal place of arbitration determining governing procedural law and supervisory courts; the venue is where hearings physically occur (may differ). Always specify the seat explicitly.
  • Number of arbitrators: Sole arbitrator for disputes under $2-5M; three arbitrators for complex or higher-value disputes. Specifying one vs three has significant cost implications.
  • Carve-outs: Consider carving out injunctive or emergency relief (allowing court applications without waiving arbitration), IP infringement claims, and certain regulatory matters from the arbitration clause.
  • Governing law of arbitration agreement: If the main contract is governed by one law (e.g., New York law), the arbitration agreement should specify a governing law that ensures its enforceability in the seat jurisdiction.

Frequently Asked Questions

What legislation governs international commercial arbitration in Ontario?

International commercial arbitration in Ontario is governed by the International Commercial Arbitration Act, 2017 (Ontario), which incorporates the UNCITRAL Model Law on International Commercial Arbitration (2006 version). Domestic (non-international) commercial arbitration is governed by the Arbitration Act, 1991 (Ontario). The distinction turns primarily on whether the parties have their place of business in different states at the time of the arbitration agreement.

How is a foreign arbitral award enforced in Ontario?

Foreign arbitral awards from New York Convention countries are enforced in Ontario under the International Commercial Arbitration Act, 2017. The award creditor files a court application in the Ontario Superior Court with the original award and arbitration agreement (or certified copies). The court grants recognition and enforcement unless the respondent proves a ground to refuse (limited grounds under Art. 36 / NY Convention Art. V). Once recognized, the award is enforceable as an Ontario court judgment.

What should an arbitration clause in an Ontario commercial agreement include?

A well-drafted international arbitration clause should specify: the arbitral institution (ICC, LCIA, ICDR, SIAC, or ad hoc); the seat (legal place) of arbitration; the language; the number of arbitrators; the governing law of the arbitration agreement; and any carve-outs from arbitration. The seat determines which national courts have supervisory jurisdiction over the arbitration.

What are the grounds to challenge an arbitral award in Ontario?

Under the ICAA (Article 34 of the Model Law), an award can be set aside only on limited grounds: invalid arbitration agreement; no proper notice; award outside scope of submission; improper tribunal composition; subject matter not arbitrable; or award conflicts with Ontario public policy. The 3-month limitation period from receipt of the award applies to set-aside applications.

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