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In the days of the Construction Lien Act (the “CLA”), it used to be said that holdback lost its character as holdback and became trust funds once liens expired. But that has not been the case since the introduction of the Construction Act’s amendments in 2018. On an improvement to which the Construction Act applies, owners cannot avoid holdback payment obligations simply by waiting (with one strange, recent caveat). This article provides a brief overview of how holdback has been treated when it comes time for payment by the owner.
Learn moreThe New Lien Right for the Supply of Design: Impact on Design Professionals and Owners
On January 1, 2026, several anticipated amendments to the Construction Act of Ontario (“CA”) came into effect including in respect of adjudication, proper invoices, and a new mandatory annual holdback release. A lesser talked about amendment has, for the first time since 2018,[1] expanded lien rights under the CA by creating a rebuttable presumption that those who supply pre-construction design services (“Design Professionals”) to a project before construction begins, can make a lien claim if an owner retains a holdback for their services.
Learn morePradeep Siriskantharajan, Siri Law Group | March 25, 2026
Toronto’s preparation for the 2026 FIFA World Cup has introduced traffic and mobility measures that include restricting or pausing construction activities along key corridors during the event period, potentially impacting contractual performance and project schedules. Public reporting indicates that construction affecting major routes may be limited between May and July 2026, with some projects being sequenced or temporarily paused to accommodate traffic management and event logistics, creating foreseeable, non-project-specific constraints. In certain cases, active works may be stopped and resumed following the tournament, with associated demobilization and remobilization costs and schedule impacts falling to be addressed under the applicable contract mechanisms.
Learn morePractical Lessons for Construction Lawyers from Sayers Foods Ltd. v. Gay Company Ltd., 2026 ONSC 918
Brendan D. Bowles, Jessica Gahtan, John David Du Vernet – Glaholt Bowles LLP | March 25, 2026
Ontario’s adjudication regime under the Construction Act was designed to provide rapid, interim resolution of payment disputes in the construction industry. Since the onset of statutory adjudication in 2019, the Divisional Court has been called upon with increasing frequency to delineate the boundaries of judicial oversight of adjudicators’ determinations. Sayers Foods Ltd. v. Gay Company Ltd., 2026 ONSC 918, is not only the latest notable Divisional Court pronouncement on statutory adjudication, but it also addresses matters of general importance beyond the Construction Act: allegations of fraud, delay claims, adjudicator bias and the treatment of evidence on judicial review.
Learn moreOntario’s Construction Act – Key 2026 Amendments and Practical Implications
Ontario has implemented significant amendments to the Construction Act and its regulations effective January 1, 2026, aimed at accelerating cash flow, clarifying rights, and refining adjudication and trust mechanisms across the construction pyramid. This article condenses the principal changes and their practical consequences for construction practitioners in Ontario.
Learn moreConstruction Management Contracts: Updated, Refined, and Reflective of Modern Practice
Jack Kent, Partner, Reynolds Mirth Richards & Farmer | January 15, 2026
The Canadian Construction Documents Committee (CCDC) recently issued updates to four of its standard form contracts. This article focuses on changes to the following three contracts:
- CCDC 5A – Construction Management Contract – For Services;
- CCDC 5B – Construction Management Contract for Services and Construction; and
- CCDC 17 – Stipulated Price Contract Between Owner and Trade Contractor for Construction Management Projects (collectively, the “2025 CM Contracts”).
Rule 49.14: The New Reality of Partial Settlement Disclosure
Robyn Jeffries, Articling Student – Glaholt Bowles LLP | January 15, 2026
On June 16, 2025, new Rule 49.14 of the Rules of Civil Procedure came into force. The rule codifies a line of case law which imposed significant consequences on parties who failed to disclose partial settlements. This article reviews the requirements of the new rule and provides practical guidance for practitioners navigating the transition.
Learn moreWorking Without Certification? You Might Be Out of Luck – Legally and Financially
Dan Fridmar, Fridmar Professional Corporation | January 15, 2026
Picture this – you are subcontractor who has been contracted to build, weld, and otherwise complete the structural steel component of a commercial building. Your team finishes the welding – only to realize afterward that none of the workers were certified by the Canadian Welding Bureau (“CWB”), nor were they supervised by someone who was. You submit your invoice to the general contractor or the owner, but payment is refused due to "deficiencies." Can you still enforce your right to payment? According to the common law in Ontario, the short answer is unlikely.
Learn morePerformance Bonds Remain Effective Despite Stay Ordered in CCAA Proceedings
Richard Yehia, Denise L Bambrough, James W. MacLellan, Andrew Punzo | January 14, 2026
On April 17, 2025, Earth Boring Co. Limited (EBCL) sought protection under the Companies’ Creditors Arrangement Act (the CCAA). Among the provisions of the court’s initial order was a temporary stay preventing claims being made on certain performance bonds. This temporary stay led some in the construction industry to question the value of performance bonds during an insolvency. The outcome of the EBCL case, however, demonstrates the objectives of the CCAA process can be achieved without prejudicing the rights of project owners who want to ensure that their bonded contracts are completed.
Learn moreSaved by Absurdity: Contractual vs Statutory Limitation Periods in Standard Form Contracts
Saif Hashmi, Associate – Glaholt Bowles LLP | October 28, 2025
The Ontario Court of Appeal decision in Ontario (Transportation) v. J & P Leveque Bros. Haulage Ltd., 2025 ONCA 573, provides critical guidance on the interpretation of dispute resolution provisions in standard form government construction contracts and the limitation periods pertaining to same.
Learn moreAnother Ontario CCAA Order Stays Claims Against Performance Bonds
Sandra Astolfo, Philip Cho, WeirFoulds LLP | October 28, 2025
On July 14, 2025, we discussed Justice Steele’s order in the Earth Boring et al. CCAA proceeding which stayed claims against performance bonds. The concerns raised by the authors with this type of stay provision appearing in future CCAA orders have been proven to be well-founded.
Learn moreRecovery Schedules and Acceleration: Two Case Studies
Joseph R. Hellenbrand, P.E., PSP | October 28, 2025
When schedule delays impact important contract milestones beyond key deadlines, a recovery schedule may be the only chance a project has to achieve those milestones. This article explores lessons learned from two projects that were significantly delayed and used recovery schedules to achieve project success, and discusses guidelines from the AACE Recommended Practice 54R-07, “Recovery Scheduling – As Applied in Engineering, Procurement, and Construction.”
Learn moreCarillion 2.0? Ontario Judge Orders Stay of Claims Against Performance Bonds
Sandra Astolfo, Philip Cho, Fabiola Bassong, WeirFoulds LLP | October 28, 2025
On May 28, 2025, a precedent-setting order was issued in a Companies’ Creditors Arrangement Act (“CCAA”) proceeding preventing calls on performance bonds by obligees unless the written consent of the insolvent companies and monitor is obtained, or leave is granted by a commercial court judge.
Learn moreNote to the Bar Regarding Vacating Motions and In-Person Court
May 15, 2025
The OBA Construction & Infrastructure Section has recently had the benefit of RSJ Firestone and the Associate Judges generously granting their time to speak to members of the Executive regarding vacating motions and ex parte court. Their Honours have asked the Section Executive to make members aware of certain procedures regarding vacating motions, and to solicit input regarding the potential resumption of in-person court appearances (note the survey link at the bottom!).
Learn moreReflections on a Legal Career: W. Andrew McLauchlin
W. Andrew McLauchlin | May 15, 2025
Over the course of my career in construction law, I have come to understand this truth: it takes ten years to get good at something, and ten years to earn a good reputation. Importantly, they are not the same ten years. The OBA has generously asked me to reflect on a career in construction law. Whether you are three, thirteen, or thirty years into practice, I hope these reflections offer something useful, on both the practice of law and the life that comes with it.
Learn moreBreaking Down the Walls: A Series on Construction Delay, Part 3
In the fast-paced world of construction, delays and disruption can pose significant challenges to project success. In this Breaking Down the Walls series, Gary Brummer, a partner at Margie Strub Construction Law LLP, and Jacob Lokash, an associate at the firm, draw upon their extensive legal expertise to explore the complexities of construction delays. They have collaborated with Thomas Certo, a managing director in the Construction Disputes and Advisory Group at Ankura Consulting Group LLC, whose insights into the technical aspects of delay analysis provide a comprehensive perspective on this critical issue.
Learn moreThe “Judicial Review” That Isn’t: Construction Act’s Incorrect Use of Term Creates Confusion...
Jay Nathwani, partner, Margie Strub Construction Law LLP | May 15, 2025
When is “judicial review” not judicial review? When it’s judicial review of an adjudicator’s determination under the Construction Act. Why is it not judicial review? Because the drafters of the Construction Act used the wrong term when they were otherwise borrowing wholesale from the test to set aside an arbitrator’s award under the Arbitration Act.
Learn more“The Long and Winding Road” : Reflections on an Atypical Career
Theodore B. (Ted) Rotenberg | March 31, 2025
For reasons not entirely clear to me (except perhaps my longevity), our section editor has asked me to reflect upon my career and offer whatever pearls of wisdom I may have gleaned.
Learn moreSelected Career Reflections: Donald Marston
Donald Marston | March 31, 2025
As requested by the Editor of our Construction and Infrastructure Newsletter, Jay Nathwani, these career reflections are written for inclusion in our Section’s Newsletter Reflections Series. I’m pleased to have been asked to participate, although somewhat reluctant to provide personal reflections. In setting the stage for my remarks I’ll focus briefly on some historical aspects of my career and particularly on the broad range of diverse opportunities that I encountered that enabled me, over the years, to expand the scope of my practice in Canada and internationally.
Learn moreBreaking Down the Walls: A Series on Construction Delay, Part 2
In the fast-paced world of construction, delays and disruption can pose significant challenges to project success and execution. Throw concurrent delays into the mix, and it can be challenging to assign responsibility. This article seeks to demystify these concepts as they relate to delay claims and provide the reader with some useful takeaways for use in practice.
Learn moreIssues with Annual Holdback Release and Lien Expiry on P3 Projects and Beyond
The pending amendments to the Construction Act (“the Act”) include a new requirement for the annual release of holdback, without the right to set off against holdback. However, while implementing a number of significant changes to the Act, the Legislature elected not to close an identified gap in the Act related to Public Private Partnership (“P3”) projects. As a result, a significant issue is created in the context of mandatory annual holdback released on P3 projects in Ontario.
Learn moreBreaking Down the Walls: A Series on Construction Delay
In the fast-paced world of construction, delays can pose significant challenges to project success. In this Breaking Down the Walls series we simplify the fundamentals of construction delays, providing readers with the necessary tools to proactively identify and assess delays on their own projects in Canada, and focus on the damages that are often claimed as a result of schedule delay.
Learn moreEdward W. Lynde and Paul Hancock | January 07, 2025
The type of property interest a mining company has in the lands dictates the manner in which liens are preserved and perfected. Consequently, when liening lands on which a mine is located the paramount consideration is determining the nature of the owner’s interest in the mining claim.
Learn moreThe recent Divisional Court case of Demikon Construction Ltd. v. Oakleigh Holdings Inc., 2024 ONSC 6261 establishes that reliance on a direct payment pursuant to s. 28 of the Construction Act, R.S.O. 1990, c. C.30 is only valid if that payment was made to a person “having a lien." Failing to ensure compliance may not result in such a payment being a proper basis to reduce lien security posted into court.
Learn moreLiability for Flow-Through Claims: A Puzzling Aspect of Walsh v. TTC
Jay Nathwani, partner, Margie Strub Construction Law LLP | October 21, 2024
An 849-paragraph testament to the grinding weight of our civil justice system, the decision in Walsh Construction v. Toronto Transit Commission et al., 2024 ONSC 2782, was arrived at after a trial stretching over 19 months. In spite of the achievement that the decision represents, its findings on flow-through claims of subcontractors represent a potentially troubling precedent for the industry, and are puzzling as a matter of law. They bear further scrutiny on the appeal currently underway.
Learn moreThe Use of AI Tools for Expert Work
Augusto Patmore, P. Eng, MBA (Delay Expert), A&M managing director | October 21, 2024
Time is of the essence when it comes to the role of a delay expert in a construction dispute. With cases increasingly involving vast amounts of data, AI has become a formidable tool for delay experts. However, AI tools are not without their limitations. Human oversight is still crucial to ensure both reasonableness and accuracy in legal proceedings.
Learn moreOntario Court Clarifies Test for Owner’s Liability Under OHSA
The Ontario Superior Court of Justice recently provided insight into what steps an owner must take to establish a defence of due diligence and avoid liability under the Ontario Occupation Health and Safety Act, R.S.O. 1990, c. O.1 (“OHSA”).
Learn more