The United States Court of Appeals for the District of Columbia Circuit is one of the thirteen federal appellate courts in the United States. It hears appeals from federal district courts in the District of Columbia and from various federal agencies. Established in 1893, it plays a crucial role in interpreting federal law and reviewing decisions made by administrative bodies. This court is often considered one of the most influential appellate courts due to its jurisdiction over cases involving the federal government. Many of its rulings can set important precedents, impacting legislation and policy across the nation.