A Practice Note explaining how to respond to a subpoena in a Pennsylvania state court civil action, including a subpoena to attend and testify and a subpoena for the production of documents and things (a document subpoena). This Note addresses the steps to take before responding to a Pennsylvania civil subpoena, how to comply with a subpoena, and methods to object to a subpoena, such as by filing a motion to quash the subpoena or a motion for a protective order. This Note also discusses the consequences of failing to respond to a subpoena.