Christine Muir
Christine Muir
Biography
Christine (Chris) Muir's practice encompasses complex commercial litigation and high-profile administrative matters. She's skilled in complex litigation, including contract disputes, and public and appellate law. She also has experience advising on and managing defamation matters. She represents clients ranging from large corporations and institutions to small business owners and professionals in sectors including health, finance, construction and education.
She has appeared as counsel before all levels of courts in Ontario and the Federal Court of Canada, and appears before administrative tribunals, including as presenting counsel before the Ontario Judicial Council. Chris is committed to mentoring young lawyers and law students both within the firm and in the larger Toronto legal community. From 2009-2010, Chris served as a law clerk to the Chief Justice of Ontario, the Honourable Warren Winkler, and to Justices James MacPherson and David Watt of the Court of Appeal for Ontario.
Professional experience
Representative experience
Representative experience
Chris has acted in the following matters:
- Counsel to a government official, responding to an injunction and publication ban sought in Federal Court respecting a compliance-related matter
- Senior Counsel to Mdm. Louise Arbour in her Independent External and Comprehensive Review into sexual misconduct and sexual harassment in the Department of National Defence and the Canadian Armed Forces
- Counsel for an Ontario university before the Ontario Superior Court responding to a privacy-based challenge to the university's COVID-19 vaccination policy
- Counsel for a school board before the Ontario Divisional Court responding to a judicial review of a trustee-related code of conduct decision
- Presenting Counsel before the Ontario Judicial Council concerning a complaint about the conduct of a judge of the Ontario Court of Justice
- Counsel to an Officer of Parliament before the Federal Court responding to a judicial review respecting the 2019 general election
- Counsel before the Ontario Superior Court of Justice in numerous contract-based disputes, including shareholder disputes and oppression applications, and disputes involving allegations of economic harm, negligence, and defamation
- Advisory counsel to private and public health and education institutions
Rankings and recognitions
Rankings and recognitions
- Best Lawyers in Canada: Corporate and Commercial Litigation, 2021-2025; Administrative and Public Law, 2025
- Canadian Legal Lexpert Directory: 2022-2024: Litigation - Corporate Commercial; 2024: Litigation – Regulatory & Public Law
- Benchmark Litigation Canada : Recognized as a "Future Star," 2023-2024
- Lexpert Special Edition: Litigation, 2022
Education
Education
LLB, Dalhousie University, 2009
M.Sc., Queen's University, 2004
B.Sc. (Hons.), Queen's University, 2002
Admissions
Admissions
- Ontario 2010
Memberships and activities
Memberships and activities
- Canadian Bar Association
- Ontario Bar Association
- The Advocates' Society
- Law Society of Ontario
- Duty counsel, Law Help Ontario
- Volunteer, Refugee Sponsorship Support Program
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