About Colleen
Colleen McKeown: Leading Appellate and Criminal Defence Lawyer in Toronto
Colleen McKeown is a dedicated and highly accomplished lawyer specializing in appellate and criminal defense law. Based in Toronto, Ontario, she represents clients across a range of complex legal challenges, offering strategic counsel and vigorous advocacy in both litigation and appellate proceedings. Ms. McKeown’s extensive experience encompasses criminal trials and appeals, consistently securing favorable outcomes for her clients in courts including the Ontario Court of Justice for Provincial Offences Act appeals, the Superior Court of Justice, the Federal Court of Canada, and the Court of Appeal for Ontario. Her significant involvement with the Supreme Court of Canada on criminal law appeals, notably representing the Criminal Lawyers’ Association, demonstrates her commitment to upholding the highest standards of legal advocacy.
More than just a litigator, Colleen McKeown possesses a profound understanding of the legal landscape and a genuine commitment to providing clients with a comprehensive and effective defense. She’s recognized for her meticulous preparation, strategic thinking, and ability to effectively communicate complex legal concepts to both the court and her clients. Her approach combines a deep respect for the law with a tireless dedication to protecting her clients’ rights and achieving the best possible result.
In Addition to Litigation: A Commitment to Legal Excellence
Colleen's legal expertise extends beyond active courtroom representation. She maintains a keen interest in legal writing and education, reflected in her contributions to scholarly publications. She authored key chapters on historical sexual offences in the second and third editions of *Prosecuting and Defending Sexual Offence Cases*, a testament to her knowledge and analytical abilities. Her teaching experience further underscores this commitment, serving as an adjunct professor at the University of Toronto Faculty of Law, where she instructed students in Legal Research & Writing and oversaw the Criminal Appellate Externship Program. This experience allows her to mentor the next generation of legal professionals and ensures her clients benefit from the latest legal developments.
Diverse Legal Background and Expertise
Colleen's diverse legal experience includes acting as counsel at a Coroner’s Inquest and serving as legal counsel for the Public Order Emergency Commission. Previously, she worked as a research lawyer for a committee of the Canadian Judicial Council, gaining invaluable insight into the judicial system. This breadth of experience allows her to approach each case with a holistic understanding of the legal context.
Recognition and Awards
Colleen McKeown’s exceptional contributions to the legal profession have been widely recognized. In 2022, she was honored with the prestigious Precedent Setter Award by Precedent Magazine, a testament to her achievements and leadership within her first decade of legal practice. This award reflects her dedication to excellence and her significant impact on the field of appellate and criminal defence law.
Practice Areas
- Appellate Practice: Expertise in navigating complex appellate processes, including preparing and filing appeals, presenting arguments before appellate courts, and representing clients on appeal.
- Criminal Defence: Providing robust defence representation in criminal trials and appeals, ensuring the protection of clients’ rights and advocating for the most favorable outcome possible.
Education & Credentials
- Bar Admissions: Admitted to the Bar of Ontario
- Affiliations: Recognized Since: Recognized in Best Attorney USA since 2025
- City: Toronto
- State: Ontario
- Country: Canada
If you are facing criminal charges or require assistance with an appellate case, Colleen McKeown offers a strategic and compassionate approach to legal representation. Her proven track record and dedication to justice make her an invaluable asset in protecting your rights.
