A Pennsylvania Subpoena to Produce Documents or Things for Discovery Pursuant to Rule 4009.22 is a legal document issued by an attorney or litigant in a civil case. This subpoena requires the recipient to appear in court and bring with them any documents or other items (e.g. physical evidence) that are relevant to the case. This type of subpoena is commonly used in civil litigation, and is issued under the Pennsylvania Rules of Civil Procedure. There are two types of Pennsylvania Subpoenas to Produce Documents or Things for Discovery Pursuant to Rule 4009.22: the “Subpoena to Produce Documents or Things for Discovery” and the “Subpoena to Testify at a Deposition.” The “Subpoena to Produce Documents or Things for Discovery” requires the recipient to appear in court and bring with them any documents or other items that are relevant to the case. The “Subpoena to Testify at a Deposition” requires the recipient to appear and give testimony at a deposition related to the case.