Mary Lynn Gleason  


Executive Summary

Mary Lynn Gleason is a partner in and member of the Health Law Group at Borden Ladner Gervais LLP. Her practice focuses on the defence of hospitals and their staff in medical malpractice claims. She has acted as counsel for hospitals, nurses, physicians and other health practitioners at inquests, civil trials, various levels of courts and administrative tribunals, including the Health Professions Appeal and Review Board. She has extensive experience in the defence of complex obstetrical brain injury medical malpractice cases. Mary Lynn also serves as general counsel to hospitals on a wide range of issues including privileges, policy, privacy and risk management issues. Mary Lynn has acted for a variety of institutional clients in the defence of abuse allegations.

Representative Work

  • Acts for Health Insurance Reciprocal of Canada (HIROC) in defence of medical malpractice claims.
  • Successfully defended at trial complex birth injury cases, Holder et al v. Greater Niagara General Hospital et al Reasons for Judgment, released October 6, 1997, Stuckless et al v. Rouge Valley Health Systems Reasons for Judgment released January 18, 2005 and McGregor et al v. Grand River Hospital et al Reasons for Judgment released August 27, 2009.
  • Serves as counsel to hospitals and their employees at Coroner’s inquests and administrative proceedings.

Publications & Presentations

  • Frequent presenter on a variety of topics in the area of health law.
  • Co-Author, “Malpractice and Institutional Liability,” Canadian Health Law Practice Manual, LexisNexis Canada, 2000.

Rankings & Recognitions

  • Recognized in the 2020 edition (and since 2012) of The Best Lawyers in Canada® (Health Care Law, Medical Negligence, Personal Injury Litigation).
  • Recognized in the 2019 edition (and since 2013) of The Canadian Legal Lexpert® Directory (Medical Negligence).
  • Recognized as a leading litigator in the 2018 edition of the Lexpert®/Report on Business Litigation Special Edition.
  • Recognized as the 2014 Toronto Medical Negligence Lawyer of the Year by The Best Lawyers in Canada®.