Catherine Gleason-Mercier

Practice Areas

Alternative Dispute Resolution

Arbitration

Commercial and Business Litigation

Construction and Infrastructure Law

Career

Catherine is a Partner in the Construction and Infrastructure Practice Group at Singleton Urquhart Reynolds Vogel LLP. She is a passionate advocate, who focuses on providing business-critical strategic counsel to clients facing complex legal challenges, particularly in complex commercial disputes and construction and infrastructure disputes. Catherine is dedicated to providing excellent client service, and ensuring the advancement of her clients’ interests with a strategic focus on achieving their overall business objectives.

She has been recognized by leading rankings publications for her expertise in construction and infrastructure, and in particular, her ability to quickly ascertain the legal complexities of a given case and provide business critical strategic legal advice.

Catherine has represented a diverse group of clients, including government entities and Crown corporations, owners and general contractors, as well as multinational public and private corporations. She has represented clients in complex commercial disputes, and in a wide variety of disputes involving construction liens and trusts, bond and insurance claims, contract interpretation, delay and extras claims, and professional negligence. Catherine also routinely advises clients on the avoidance and management of risk in the administration of construction contracts and large scale projects.

Catherine is a strong advocate, who has appeared at all levels of court in Ontario and she also has extensive experience with mediation and commercial arbitration.

Catherine is also an active industry leader, an author with respect to issues of importance to the construction and infrastructure practice of law, and a frequent speaker on construction law-related topics at industry, legal and educational events.

In addition to her practice, Catherine is a dedicated mentor and advisor, as well as a long-time supporter of Pro Bono Ontario and has regularly appeared as pro bono counsel at the Superior Court of Ontario and the Court of Appeal for Ontario.

Professional Memberships

Board of Directors, Associate Partner Program (APP), Ontario General Contractors Association (OGCA)

Member, Advocates’ Society

Member, Canadian Bar Association

Member, Law Society of Ontario

Member, Ontario Bar Association

Publications

Co-author, “La Française IC 2 v. Wires: Abuse of Process in Arbitral Enforcement Proceedings,” June, 2024

Co-author, “Canadian Flight Academy v. City of Oshawa: “With Prejudice” Label not Fatal to Settlement Privilege,” June, 2024

Co-author, “Clock’s Ticking – 3 Gill Homes Inc. v. 5009796 Ontario Inc. (Kassar Homes), ‘Time is of the Essence’ Clauses and “Harsh” Outcomes,” January, 2024

Co-author, “I Take it Back – Praxy Cladding Corp. v. Stone Lamina Inc. and the Withdrawal of Admissions from Pleadings and Examinations for Discovery,” December, 2023

Co-author, “Ponce v. Société d’investissements Rhéaume ltée: Good Faith and the Measure of Damages in Québec,” October, 2023

Co-author, “Special Issue: Delay Experts,” Construction Law Letter, May/June, 2023

Personal

Top 40 Under 40 (Canadian Construction) Award Winner, On-Site Magazine.

Recognized as a Leading Lawyer in the Lexpert® Special Edition on Infrastructure

Recognized as a Leading Lawyer in the area of Construction Law in the Canadian Legal Lexpert® Directory.

Recognized in Benchmark Canada – The Definitive Guide to Canada’s Leading Litigation Firms & Attorneys as a “Future Litigation Star” and featured in the 40 and Under Hot List.

Recognized by Best Lawyers Canada® in the area of Construction Law

Recognized by Best Lawyers Canada® as “One to Watch” in the area of Construction Law

Recipient of the Philip Meyerovitch, K.C. Prize, awarded for the highest standing in Evidence (Civil)

Education