A Practice Note providing an overview of how to compel discovery or other required disclosures in federal civil litigation under Federal Rule of Civil Procedure (FRCP) 37. This Note discusses the types of information that a party may seek to compel, including initial disclosures, expert disclosures, deposition testimony, interrogatory responses, responses to document requests, document productions, and subpoena responses. It also discusses how to move to compel discovery, the required showing for courts to grant motions to compel, and the filing and service requirements.