John Rosen, founder of the Toronto firm Rosen & Company Barristers, has defended more than 300 accused murderers over his more than 45 years as a criminal lawyer. He specializes in criminal cases, regulatory offences, professional disciplinary cases and appeals.
He received is L.L.B. from Osgoode Hall Law School in 1968 and was called to the Ontario bar in 1970.
Mr. Rosen is a member of a number of professional associations, including the Advocates' Society (where he twice served as director), the Criminal Lawyers’ Association (where he’s held a number of executive positions), the National Association of Criminal Defence Lawyers in the U.S. and the Canadian and American Bar Associations.
He is a recipient of the Law Society Medal from the Law Society of Ontario.
Mr. Rosen practises as a trial and appellate lawyer in the areas of criminal, regulatory and discipline law, representing a wide variety of clients, both individuals and corporations, in all levels of court in Ontario and at the Supreme Court of Canada. He has appeared in some of the most highly publicized and complex criminal cases in Canadian legal history, including the Paul Bernardo case.
Mr. Rosen has appeared as counsel before the United States Federal Court, the British Columbia Supreme Court, the B.C. Court of Appeal, and the Grand Court of the Cayman Islands.
He also provides legal services to indigent persons pro bono and under Legal Aid Ontario in selected cases, and volunteers with a number of non-government organizations.