Ontario Court of Justice (most family and criminal cases in Ontario) Ontario Superior Court (main civil court in Ontario, some family and criminal) Ontario Divisional Court (administrative appeals, judicial reviews and smaller civil appeals) Ontario Court of Appeal (highest Ontario Court) Federal Court - Trial Division (first level court for matters under federal jurisdiction such as telecommunications, intellectual property, rail/air/shipping, maritime, immigration etc) Federal Court of Appeal (appeals from Federal Court - Trial Division) Supreme Court of Canada International Courts Worldwide Case Law UK and Ireland Cases (British cases are often relevant to the interpretation of Canadian law) Australia and NZ Cases (also useful in interpretation)