Pennsylvania 15. Writ of Summons is a legal document issued by the Court of Common Pleas in the Commonwealth of Pennsylvania. It is used to initiate a civil action in a county court, including divorce proceedings. The writ states the name, address, and contact information of the plaintiff and the defendant, the case file number, and a brief description of the case. It also informs the defendant that a civil action has been commenced against them and that they must appear in court at the specified date and time. Pennsylvania 15. Writ of Summons can be issued for a variety of civil cases, including contract disputes, financial disputes, and tort actions. There are two types of Pennsylvania 15. Writ of Summons: the Summons and Complaint, which is the standard writ of summons; and the Order to Show Cause, which is used when the plaintiff is asking the court to grant a temporary injunction or other court order.