Illinois Appearance is a type of appearance in Illinois state courts. It is a form of general appearance, which means that a party is participating in the court proceedings and acknowledging the court's jurisdiction over them. There are two types of Illinois Appearance: voluntary appearance and involuntary appearance. Voluntary appearance is when a party voluntarily appears in court and agrees to the court's jurisdiction. Involuntary appearance is when a party is compelled to appear in court, such as when they have been subpoenaed or served with a summons. Both types of Illinois Appearance are important for a party to establish a presence in court and to ensure that the court has jurisdiction over them.