Thomas G. Heintzman, O.C., Q.C., FCIArb

Welcome To Heintzman ADR:

Thomas Heintzman is offering ADR services from new premises.  Heintzman ADR is located at Arbitration Place, The Bay Adelaide Centre, 333 Bay Street, Suite 900, Toronto, Ontario.

Heintzman ADR will offer you and your clients efficient and effective dispute resolution services based on over 40 years’ experience in complex commercial disputes and construction law.

Arbitration Place provides hearing and meeting rooms in a modern environment, offering the latest technology combined with convenient breakout facilities, court reporters, catering facilities, secretarial assistance to accommodate a wide variety of needs.  It is an ideal place to conduct mediations and arbitrations.  For more information see

Helping you with ADR solutions

You may contact Tom Heintzman to discuss his potential appointment as an arbitrator or mediator, or if you have any questions about ADR and the dispute resolution process.

 Please contact Thomas Heintzman at Heintzman ADR:

Office:             416-848-0203

How To Use This Site:   

This site is organized to help you find the information you may require.  Please click on the headings to find the following information:

  • About Thomas Heintzman: 
    Contains detailed information on his career, background, areas of expertise, landmark cases, etc.  This information can be used to assist in your decision as to whether his experience is appropriate for your matter.
  • About Alternative Dispute Resolution: 
    This section contains information about mediation and arbitration and the advantages of these forms of dispute resolution.  Also included are draft agreements relating to the retention of an arbitrator or mediator.  These drafts are not presented as final agreements, but to identify the issues that should be considered in finalizing an agreement.
  • About Articles on Recent Cases:
    Under this heading you will find discussions and analyses by Tom concerning recent court decisions relating to arbitration, mediation and construction law.  The articles are also organized by subject matters, so you may conduct your search by category of subject matter.  You can also use the search button at the top of the home page to find articles on specific subjects.
  • About Construction Law:
    You can link to Tom’s construction law site at  As the author of Heintzman and Goldsmith on Canadian Building Contracts, Tom has a particular interest and expertise in construction law.

The analysis of cases found on both websites offers a comprehensive resource for you to keep up with ADR and Construction law.  Please note that discussions and articles represent Tom’s personal views and do not constitute legal advice.

Continue Reading

Tort And Fraud Claims Fall Within Arbitration Agreement: Ontario Court Of Appeal

In Haas v. Gunasekaram, 2016 ONCA 744, the Ontario Court of Appeal recently held that claims in tort and fraud, and resulting claims to set aside the agreement between the parties, were within the jurisdiction of the arbitral tribunal under an arbitration agreement. Accordingly, the court action between the parties was stayed. This decision is […]

Continue Reading

Standard Form Contracts Are To Be Reviewed On A Standard Of Correctness: Supreme Court Of Canada

In, Ledcor Construction Ltd. v. Northbridge Indemnity Insurance Co, 2016 SCC 37, the Supreme Court of Canada has held that the interpretation of a standard form contract is a matter of law alone, and not a matter of mixed facet and law. Accordingly, it is not sufficient for a judge to arrive at a reasonable […]

Continue Reading

Is A “No Oral Variation” Clause In A Contract Binding?

Summary In MWB Business Exchange Centres Ltd v Rock Advertising Ltd [2016] EWCA Civ 553 and Globe Motors Inc v. TRW Lucas Varity Electric Steering Ltd. [2016] EWCA CIV 396, the English Court of Appeal has recently held that a contractual provision stating that the contract may only be amended by a written document signed […]

Continue Reading

Multiplicity Of Litigation Is Not A Sufficient Reason To Stay An Arbitration

The Saskatchewan Court of Appeal has recently released an interesting decision dealing with arbitration and court proceedings arising from a construction contract. In Saskatchewan Power Corp. v. Alberici Western Constructors, Ltd., 2016 CarswellSask 186, 2016, the court held that the arbitration clause of the main contract between the owner and the contractor should be enforced […]

Continue Reading

Ontario Court Of Appeal Upholds Decision In Popack v. Lipszyc re UNCITRAL Model Law

In my article on April 24, 2016, I commented upon the important decision of the Ontario Superior Court in Popack v. Lipszyc, 2015 CarswellOnt 8001, 2015 ONSC 3460. That decision has been recently upheld by the Ontario Court of Appeal. The Court of Appeal did not address the various legal issues dealt with in my article […]

Continue Reading

Sattva Limits The Court’s Power To Review Arbitral Award Relating To The Exercise Of An Option; B.C. Court of Appeal

The courts of British Columbia have recently wrestled with the question whether they can review the award of an arbitrator dealing with the exercise of an option. In Urban Communications Inc. v. BCNET Networking Society, the arbitrator and a single judge of the B.C. Supreme Court arrived at diametrically opposite conclusions as to whether the […]

Continue Reading

Can The Parties Contract Out Of The UNICITRAL Model Law?

The Model Law of the United Nations Commission on International Trade Law (UNCITRAL) applies to international commercial arbitration agreements and awards. The Model Law has been adopted in all the provinces and territories of Canada, For instance, the Model Law has been adopted in the Ontario International Commercial Arbitration Act (ICCA). Under article 34 of […]

Continue Reading

When Does The Limitation Period Start When A Party Repudiates A Contract?

You might think that there is one answer to this question. But in Pickering Square Inc. v. Trillium College Inc., the Court of Appeal for Ontario recently reminded us that there are two answers, depending on whether the innocent party accepts the repudiation or not. If the repudiation is accepted, then the contract comes to […]

Continue Reading

Is The Commencement Of An Arbitration Claim Also The Commencement Of An Arbitration Counterclaim?

In a recent English decision, the court held that the commencement of an arbitration by the claimant could also amounted to the commencement of the arbitration of any counterclaim. In Glencore International AG v (1) PT Tera Logistic Indonesia (2) PT Arpeni Pra, the English court held that if the notice given by the claimant, […]

Continue Reading

Can An Arbitral Tribunal Summons The Decision-Makers Of A Public Authority?

When a contract dispute between a public authority and a private party proceeds to arbitration, can the private party inquire into the process or reasoning that led to public authority’s decision in question? For instance, if the public authority decides to terminate a construction contract, or to award a tender to one bidder, can an […]

Continue Reading
Page 1 of 912345...Last »