what is the judiciary act
Judiciary Act of 1789 Law & Legal Definition. The Judiciary Act is an Act made to establish the judicial system in the U.S. Article III of the U.S. Constitution provides that the judicial system should consist of Supreme Court and other lower courts.hus, the Supreme Court is established through the constitutional provisions, and Congress is authorized for the creation of lower courts. Congress in 1789 established the structure and jurisdiction of the federal court system through the Judiciary Act. The Act provides: