Practice Highlights

Kate is a personal injury lawyer, whose focus is primarily on medical malpractice cases, including claims arising from obstetrical negligence, surgical negligence, nursing negligence, emergency room negligence, medication errors, missed diagnoses and delayed diagnoses.  Kate’s medical litigation practice extends to representing people who have suffered injury as a result of defective medical devices or surgical implants.

Kate’s personal injury litigation practice also involves advocating for people who have sustained serious injuries as a result of motor vehicle accidents, slip and falls, or defective products.

Kate regularly appears before the Superior Court of Justice and represents plaintiffs at the trial and appellate court level.


  • Bachelor of Arts, Queen’s University (1997)
  • Bachelor of Laws, University of Ottawa (2004)

Professional Accreditations and Affiliations

  • Member of the Ontario Trial Lawyers Association
  • Member of The Advocates’ Society
  • Member of the Toronto Lawyers Association
  • Member of the Ontario Bar Association
  • Member of FAIR (Fair Association of Victims for Accident Insurance Reform)

Additional Information

Admitted to the Law Society of Ontario in 2005



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  • The Osgoode Certificate in Clinical Risk, Negligence & Claims Management in Healthcare

    Thomson Rogers partner Kate Cahill will be presenting in Module 5 of The Osgoode Certificate in Clinical Risk, Negligence & Claims Management in Healthcare taking place January 26, 2021. The certificate program runs December 1, 8, 15, 2020, January, 19, 26, 2021 and covers the following topics: Managing a healthcare pandemic: risks, best practices, litigation … Continued
  • Thomson Rogers at the WLAO 100th Anniversary Gala

    Thomson Rogers at the WLAO 100th Anniversary Gala sponsoring 100 years of being an active voice for women in the profession.
  • Canadian Class Action Commenced Against Breast Implant Manufacturer Allergan

    On May 23, 2019, Thomson Rogers and Rochon Genova LLP issued a class action on behalf of Canadians who were implanted with breast implants manufactured and distributed by Allergan plc and several of its affiliates. The proposed Canada-wide class action, filed with the Ontario Superior Court of Justice, alleges, among other things, that the defendants … Continued
  • Managing Risks in Maternity Care

    The Osgoode Certificate in Clinical Risk, Negligence & Claims Management in Health Care | February 4-8, 2019

    On February 4-8, 2019, OsgoodePD will be offering a certificate program in Clinical Risk, Negligence and Claims Management in Health Care. The faculty includes Kate Cahill, a partner and medical malpractice lawyer with Thomson Rogers. On February 7, Kate will be one of the instructors on the topic of “Managing Risks in Maternity Care”. The topic will … Continued
  • Verdict nixed in $14.9-million medical malpractice case

    Law Times | by Alex Robinson, quoting Kate Cahill | December 3, 2018

    An Ontario judge has refused to enter a jury’s verdict in a medical malpractice case that some plaintiff-side lawyers say could have implications for how juries answer questions on causation. In Cheung v. Samra, Ontario Superior Court Justice Darla Wilson took the rare step of not entering a judgment after a six-member jury rendered a … Continued
  • SCC clarification hoped for in medical malpractice case

    Law Times | by Marg. Bruineman, quoting Kate Cahill | June 25, 2018

    Plaintiff personal injury lawyers are hoping that the Supreme Court of Canada will clarify the issue of causation involving multiple defendants in medical malpractice cases in a leave to appeal filed in Sacks v. Ross. At issue is a negligence claim made by Jordan Sacks, who in 2008 suffered an anastomotic leak after bowel surgery, resulting … Continued
  • New Partners – Melanie Larock, Carr Hatch and Kate Cahill

    New Partners Announcement Melanie Larock, Carr Hatch and Kate Cahill 2017
    Thomson Rogers is pleased to announce the appointment of three new partners: Melanie A. Larock, Carr Hatch and Kate Cahill.


  • SCIO 2016 Wheelchair Challenge

    September 18, 2016 | Monarch Park Stadium, Toronto

    On Sunday, September 18th, from 10:00am to 2:00pm the 2016 Wheelchair Challenge will be taking place at Monarch Park Stadium in Toronto, in support of Spinal Cord Injury Ontario. All funds raised go towards supporting programs and services that assist people with spinal cord injuries. Accepting the challenge from Thomson Rogers will be personal injury lawyers Carr Hatch, Kate Cahill, … Continued
  • Mayor John Tory Proclaims June is Brain Injury Awareness Month in Toronto

    Posted June 16, 2016

    Mayor John Tory proclaims June as Brain Injury Awareness Month in the city of Toronto. Traumatic brain injury is the leading cause of death and disability of Canadians under the age of 40. Most Canadians do not know how prevalent brain injury really is or how much it can change lives. Thomson Rogers’ personal injury lawyers Ian … Continued
  • BIST 5K Run, Walk & Roll 2015

    Posted October 4, 2015

    On Saturday, October 3, 2015, Thomson Rogers lawyers and staff proudly lent their support at the BIST 5K Run, Walk & Run event. The annual run is organized by the Brain Injury Society of Toronto (BIST). This year’s run was held in honor of the heroes of brain injury including survivors, family members, caregivers, health care and … Continued
  • TR Lawyers Feed the Hungry

    Posted September 25, 2014

    Thomson Rogers lawyers served breakfast this morning as part of the Toronto Lawyers Feed the Hungry program operated through the Law Society.

    If you would like more information about the program or would like to donate, please visit: Lawyers Feed the Hungry Toronto.

  • Tips on Managing a Medical Malpractice / Products Liability Case

    Will Davidson Products Liability Litigation Conference | September 22, 2016

    Thomson Rogers’ personal injury lawyer Kate Cahill, provides tips on how to manage medical malpractice and products liability cases at the Will Davidson Products Liability Litigation Conference.

    View PowerPoint Presentation: Tips on Managing a Medical Malpractice/Products Liability Case
    Managing Medical Malpractice and Products Liability Cases image

  • Major Accident Benefits Changes Come into Effect on June 1st, 2016

    Accident Benefits Summary Charts (for accident on or after June 1, 2016)

    To help those in Ontario understand the major automobile insurance changes and the new reduced accident benefits limits, Thomson Rogers has prepared two useful accident benefits summary charts. The first chart: Statutory Accident Benefits Schedule Summary (for accidents on or after June 1, 2016) highlights the accident benefits available for each of the three categories of … Continued