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Colleen Mackeigan

Litigator. Strategist. Fitness Enthusiast. Early-Riser.

Colleen Mackeigan

Contact Information

Telephone: 416.644.7523
Fax: 416.594.9100

Assistant Contact Information

Assistant: Rescheen Scott
Telephone: 416.594.4526

Law Clerk Contact Information

Law Clerk: Julianna Ruffolo
Telephone: 41.644.1805


Colleen Mackeigan articled with the firm before returning as an associate in 2019. Colleen maintains a diverse civil litigation practice, with a focus on first-party loss transfer and priority disputes, automobile tort claims, and occupiers’ liability claims.

Colleen completed her Juris Doctor at Western Law. While at law school, Colleen participated in numerous advocacy competitions and volunteered as a caseworker with Western Law’s Community Legal Services.

Prior to attending law school, Colleen obtained an Honours Bachelor of Arts in Psychology and Philosophy from Saint Mary’s University.


J.D., Western University

Hons. B.A., Saint Mary’s University

Bar Admission

Ontario, 2019

Professional Affiliations

The Advocates’ Society

Canadian Defence Lawyers

Toronto Lawyers Association

Practice Areas