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Adam Weisberg

Lead Counsel




Mr. Weisberg is a graduate of the Queen’s University Faculty of Law and has been a criminal lawyer for over twenty years. He was selected through a peer reviewed process by Best Lawyers for Criminal Defence.

Education & Work History

Mr. Weisberg started his career at a national business law firm. He then practised with a highly regarded senior member of the criminal bar before becoming a partner at what was then Canada’s largest criminal law firm.  In 2010, having his own vision for a criminal law firm, he started Weisberg Law Criminal Lawyers.

The Law Society of Upper Canada recognized Mr. Weisberg’s expertise in criminal law when they deemed him a Specialist in Criminal Law. Mr. Weisberg is also a member of the Complex Case Rate Panel, a government initiative to keep leading counsel involved in complicated murder cases.

Professional Highlights

During his career, Mr. Weisberg has successfully defended allegations of homicide, sexual assault, domestic assault, drinking and driving, conspiracies, and fraud charges. Mr. Weisberg also regularly conducts appeals having argued cases in the Court of Appeal for Ontario and the Supreme Court of Canada. Mr. Weisberg is tireless and his commitment to excellence is demonstrated by his track record of success.

Mr. Weisberg is also devoted to legal education. He has written papers, instructed at Continuing Legal Education events, and has been a guest instructor with the trial advocacy program at Queen’s Law.  Mr. Weisberg is an adjunct professor at Osgoode Hall Law School teaching evidence law.

Mr. Weisberg has served four terms on the Criminal Lawyers’ Association Board.  He is currently serving on the executive as a Vice President for the organization.


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