5 lawyers · Established 1953 · City of Toronto
One of 2,276 law firms listed in Toronto, and one of 307 handling Criminal Defence.
Virtual appointmentsCooper, Sandler, Shime & Schwartzentruber LLP is a criminal defence firm based in downtown Toronto that has practised in the trial and appellate courts since 1953. The firm's name has changed with its partnership over the decades; it operated for a time as Cooper, Sandler, Shime & Bergman LLP before taking its current name. It's a seven-member firm today, handling matters that range from impaired driving and assault to homicide, drug offences, and white collar crime, with its lawyers appearing at every level of court up to the Supreme Court of Canada.
The firm was founded by the late Austin M. Cooper, Q.C., who practised criminal law for 60 years and became known as the dean of the criminal bar. Cooper received the Criminal Lawyers' Association's G. Arthur Martin Medal and, in 2013, an honorary Doctorate of Laws from the Law Society of Ontario. Founding partner Mark J. Sandler is a Law Society certified Criminal Law Specialist who served three terms as a Law Society of Ontario Bencher and has acted as counsel or senior advisor on more than 20 public inquiries, including the Goudge Inquiry into pediatric forensic pathology. One of the firm's partners holds a doctorate in medical genetics from the University of British Columbia, earned before turning to the practice of law.
Wheelchair accessible
Virtual appointments
By appointment
In-person servicesA designation granted by the Law Society of Ontario, not a self-declared area of focus.
Suite 1900 - 439 University Avenue, Toronto, Ontario M5G 1Y8 · 416-585-9191
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Criminal DefenceAdministrative & Regulatory LawThis listing was generated by AI from public sources in August 2026. It may contain errors, and we can’t guarantee it’s accurate or complete. Before you rely on anything here, verify it on the firm’s own website. Verify licence status in the Law Society of Ontario directory ↗
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