Judge David M. Paciocco

Judge of the Ontario Court of Appeal


he Honourable Justice David M. Paciocco, now a judge of the Ontario Court of Appeal, served as counsel to the firm from 1993 until his appointment to the Ontario Court of Justice in September 2011.  

Justice Paciocco was criminal counsel, law professor and served as a former prosecutor.  He is one of Canada’s foremost experts in the law of evidence. He is co-author of the leading selling text book in the law of evidence in Canada, and of a computerized bench book on the law of evidence that is used by judges to assist in resolving issues relating to the rules of proof. He is also an internationally recognized expert in criminal law and procedure, having published more than 100 articles, written four books, and undertaken hundreds of presentations internationally at professional and judicial conferences.

His research has been relied upon more than 50 times by the Supreme Court of Canada, and thousands of times by courts in Canada and internationally. Professor Paciocco has won numerous awards for his legal writing, including a Donner Prize for his book, Getting Away with Murder, and the prestigious Mundell Medal awarded by the Attorney General of Ontario. He has argued numerous appeals before the Supreme Court of Canada and the Ontario Court of Appeal, and has appeared as counsel before the British Columbia Court of Appeal, the Saskatchewan Court of Appeal and the International Criminal Tribunal for Rwanda.

In 2011, he was appointed as a judge of the Ontario Court of Justice. He served in that position until his appointment to the Ontario Court of Appeal in 2017.

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