Statutory or written law that controls the rights and actions of the all persons within the jurisdiction. The codes of law such as the Penal Code and the Lanham Act governing trademark law are examples of substantive law.
Law Dictionary – Alternative Legal Definition
That part of the law which the courts are established to administer, as opposed to the rules according to which the substantive law Itself is administered. Thrt part of the law which creates, defines, and regulates rights, as opposed to adjective or remedial law, which prescribes the method of enforcing rights or obtaining redress for their invasion.