Business Details
50+ Years
experience
Your Trusted Ontario Law Firm Since 1935
Thomson Rogers LLP has been a leader in litigation on Bay Street for over nine decades, specializing in personal injury law, family law, expropriation law, and civil, municipal, and land use litigation. Founded in 1935, the firm combines deep legal expertise with a commitment to thought leadership and client advocacy. Recognized in Best Lawyers in Canada 2026 and the Lexpert Directory 2025, the firm has 23 lawyers acknowledged for excellence in medical negligence, product liability, commercial insurance, and family law.With a focus on practical advice and real-life counsel, Thomson Rogers serves clients across Ontario from its Toronto headquarters, offering free consultations and tailored legal solutions. The firms dedication to community support is evident through initiatives like its $30,000 donation to establish the Registered Professional Planner Mentorship Award and its long-standing partnership with organizations like Camp Dawn.
Services
Personal Injury Law
Medical Malpractice
Family Law
Municipal Law
Expropriation Law
Environmental Law
Long Term Disability
Class Action
Details
- Year established: 1935
Highlights and features
- We have over 90 years of experience in litigation and advocacy.
- 23 lawyers recognized in Best Lawyers in Canada 2026.
- Ranked among top Ontario personal injury law firms for 15 years.
- George Karahotzitis ranked in Chambers Band 1 for Family Law in Canada.
- Commitment to thought leadership and community support initiatives.
Associations and certifications
- Best Lawyers in Canada
- Lexpert Directory
- Chambers and Partners
What people say
Relentless advocacy
Compassionate support
Successful outcomes
Recognized expertise
Dedicated personal support
Services
Personal Injury Law
Thomson Rogers represents clients in complex personal injury cases, including car accidents, medical malpractice, and slip-and-fall incidents. The firms lawyers leverage decades of experience to secure fair compensation for clients, focusing on treatment access and long-term recovery. Their approach combines legal expertise with compassionate advocacy to address clients physical, emotional, and financial needs.
Medical Malpractice
The firm specializes in medical negligence cases, including birth trauma, surgical errors, and misdiagnosed conditions. Thomson Rogers team works with medical experts to build robust cases against hospitals and professionals, ensuring clients receive justice and compensation for lifelong injuries. Their lawyers are recognized for landmark victories in high-profile trials.
Family Law
Thomson Rogers family law group handles divorce, custody, and high-net-worth disputes with a focus on protecting clients rights and futures. Ranked in Chambers Band 1, the team provides strategic advice on property division, spousal support, and parenting arrangements, prioritizing amicable resolutions while preparing for litigation when necessary.
Expropriation Law
The firm advocates for landowners and expropriating authorities in complex expropriation cases, balancing legal strategy with practical solutions. Thomson Rogers lawyers negotiate fair compensation and alternative resolutions, leveraging expertise in municipal law to minimize disruptions for clients facing infrastructure projects or government land acquisitions.
Municipal Law
Thomson Rogers advises municipalities, developers, and agencies on zoning, environmental regulations, and development approvals. Their team represents clients before the Ontario Land Tribunal and courts, ensuring compliance with municipal bylaws while advancing clients real estate and infrastructure goals through innovative legal strategies.
People
Sloan H. Mandel
Partner
Sloan Mandel is a partner at Thomson Rogers, specializing in personal injury and medical malpractice litigation. With decades of experience, he has secured significant verdicts for clients, including a landmark $8.5 million judgment upheld by the Ontario Court of Appeal. His practice focuses on complex cases involving catastrophic injuries and informed consent violations.
Darcy R. Merkur
Partner
Darcy Merkur is a partner recognized for expertise in personal injury law and medical malpractice. He has represented clients in high-stakes cases, including multi-million-dollar settlements for families affected by medical negligence. Merkur is frequently cited in legal media and serves on the Ontario Trial Lawyers Associations Board of Directors.
George Karahotzitis
Partner
George Karahotzitis leads Thomson Rogers Family Law Group and is ranked in Chambers Band 1 for Family/Matrimonial: High Net Worth in Canada. With over 30 years of experience, he advises clients on complex divorce, custody, and property division matters, emphasizing strategic solutions tailored to individual family dynamics.
Aleks Mladenovic
Partner
Aleks Mladenovic is a partner specializing in medical malpractice and personal injury litigation. He has successfully prosecuted cases involving birth injuries, surgical errors, and emergency medicine negligence. Mladenovic is known for his advocacy in appellate courts, including the recent Denman v. Radovanovic decision affirming informed consent standards.
Stephen M. Birman
Partner
Stephen Birman is a certified specialist in civil litigation, focusing on personal injury and insurance disputes. He has represented clients in landmark cases involving catastrophic injuries and long-term disability claims. Birman is recognized for his trial expertise and contributions to legal education through seminars and publications.
Questions
What areas of law does Thomson Rogers specialize in?
Thomson Rogers specializes in personal injury law, medical malpractice, family law, municipal and land use litigation, expropriation law, and environmental law.
How long has Thomson Rogers been in operation?
Thomson Rogers has been advocating for clients since 1935, with over 90 years of experience in litigation and legal counsel.
Are consultations with Thomson Rogers free?
Yes, Thomson Rogers offers free consultations for potential personal injury and medical malpractice cases.
What recognitions has Thomson Rogers received?
The firm is recognized in Best Lawyers in Canada, Lexpert Directory, and Chambers and Partners, with 23 lawyers listed in Best Lawyers 2026.
Does Thomson Rogers handle cases outside Toronto?
Yes, the firm serves clients across Ontario, including Hamilton, Ottawa, and surrounding regions.
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