A Practice Note discussing how to draft and serve a response to interrogatories in a civil action in Pennsylvania's courts of common pleas. This Note addresses the duty to search for responsive information, who must respond to interrogatories, the types of responses that the Pennsylvania Rules of Civil Procedure permit, and the service and filing requirements for interrogatories. This Note also explains how to draft the response, including the answers or objections to specific interrogatories, and how a party may elect to produce documents in response to an interrogatory.