Wisconsin Third Party Summons in a Civil Action — AO 441* is a legal document issued by the Wisconsin court system. It is used to summon a third party to appear in a civil action. It is typically served on the defendant or respondent to the civil action to notify them of their obligation to answer the claims and/or to attend a hearing or trial. There are two types of Wisconsin Third Party Summons in a Civil Action — AO 441*: an Original Summons and a Copy Summons. The Original Summons is given to the defendant or respondent, while the Copy Summons is delivered to the court. The Original Summons must be signed by the defendant or respondent and returned to the court or attorney. The Copy Summons must be filed with the court and served on the defendant or respondent. The Wisconsin Third Party Summons in a Civil Action — AO 441* must include the name and address of the defendant or respondent, the name and address of the court, the date, time, and place of the hearing or trial, and any other required information.