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Jackie van Leeuwen


Jackie van Leeuwen is a construction lawyer and litigator at Glaholt Bowles LLP. She joined the firm as an associate after articling with the firm.

Jackie provides proactive advice to clients relating to construction contracts and other agreements. She also negotiates and advocates for clients during mediation, arbitration and litigation.

Jackie most frequently acts in disputes involving contracts, liens, bonds, delay claims, deficiencies and professional negligence. She represents clients at all levels of the construction supply chain, including developers, owners, general contractors, subcontractors, sureties, and architects.

Jackie obtained her J.D. from Queen’s University Faculty of Law. Prior to her studies in law, Jackie completed an Honours Bachelor of Arts Degree in English at Wilfrid Laurier University.

During law school, Jackie was actively involved with Queen’s Elder Law Clinic and spearheaded the Clinic’s prison initiative, which provides pro bono legal services to inmates. She was also a volunteer with Pro Bono Students Canada. Jackie remains involved in the Queen's community as part of Queen's Community Connections Project, which fosters relationships between recent Queen's graduates and elder Queen's alumni. In her final year of law school, Jackie spent a semester at the University of Groningen in the Netherlands, where she studied international law and completed Master's level courses.


  • Canadian Bar Association, Construction and Infrastructure Section
  • Ontario Bar Association, Construction and Infrastructure Section
  • The Advocates' Society
  • Canadian Association of Women in Construction (CAWIC)

Teaching Activities

  • Queen's University Faculty of Law, Guest Lecturer (Construction Law Course), February 4, 2021

Representative Work

  • Infrastructure (Manufacturing): Acted for the supplier in an arbitration related to the supply and manufacture of light rail vehicles to a public infrastructure project
  • Infrastructure (Energy): Acted for the contractor in an arbitration related to a public energy project
  • Acted for the moving party/defendant in a summary judgment motion which resulted in the complete dismissal of the plaintiff's action
  • Acted for the plaintiff in a dispute related to unpaid invoices which settled for the full amount of the plaintiff's claim
  • Counsel for other lawyers respecting alleged professional negligence in handling of construction law matters

Representative Publications

"Adjudication in Ontario and Beyond: The Role of the Construction Adjudicator" Building Insight - Glaholt Bowles LLP Newsletter, November 2020 (Special Edition - Adjudication: One Year in Review)

Force Majeure Provisions in the Context of Outbreaks and Protests” Building Insight - Glaholt Bowles LLP Newsletter, Winter 2020 (Issue 10)

Case Comment – Walsh Construction Company Canada v. Toronto Transit Commission” (2019) - Canadian College of Construction Lawyers - Legal Update (Issue 155) (Co-author)

How Do Suppliers Fit Within the New Prompt Payment Regime?” Building Insight - Glaholt Bowles LLP Newsletter, Fall 2019 (Issue 9) (Co-author)


Education & Admissions