The defendant in a lawsuit must be served (delivered) a summons or citation (an order from the court to appear and answer the lawsuit) and a copy of the lawsuit (the complaint) (1) to provide due process (fairness) by giving the defendant notice of the lawsuit and the opportunity to appear in court and defend the lawsuit; and (2) to give the court personal jurisdiction (authority) over the defendant.
In Utah, as in all states, the legal process requires that a defendant in a lawsuit must be properly served with a summons or citation and a copy of the complaint initiating the lawsuit. This is to ensure due process, which is a constitutional guarantee of fair treatment through the judicial system. Serving these documents provides the defendant with official notice of the legal action against them and the opportunity to respond and defend themselves in court. Additionally, proper service of process is necessary for the court to establish personal jurisdiction over the defendant, which is the court's authority to make legal decisions affecting the defendant. In Utah, the rules for service of process are outlined in the Utah Rules of Civil Procedure. These rules specify who may serve legal documents, how service must be accomplished, and what timelines must be followed to ensure that the defendant's rights are protected and the court's jurisdiction is validly established.