Catherine Gleason-Mercier

Catherine Gleason-Mercier

Singleton Urquhart Reynolds Vogel LLP

Recognized since 2022

Toronto, Ontario

Practice Areas

Construction Law

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Catherine is an Associate 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 represented a diverse group of clients, including government entities and Crown corporations, owners and general contractors, and multinational public and private corporations. She has represented clients in complex commercial disputes, and has represented clients in the construction and infrastructure industry 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.

Catherine has appeared at all levels of court in Ontario and also has extensive experience with mediation and commercial arbitration. She is also a dedicated supporter of Pro Bono Ontario and regularly appears as pro bono counsel at the Superior Court of Ontario and the Ontario Court of Appeal.


  • 150 King Street West, Suite 2512
    PO Box 24
    Toronto, ON M5H 1J9

Recognized in Best Lawyers: Ones to Watch in Canada 2022 for work in:

  • Construction Law

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