A Q&A guide to responding to a complaint in a trial court of general jurisdiction in Massachusetts. This Q&A addresses the time to respond, extending the time to respond, pre-answer motions, answers, replies to the answer, counterclaims, crossclaims, third-party claims (also known as impleader), and defensive interpleader. Answers to questions can be compared across a number of jurisdictions (see Responding to a Complaint: State Q&A Tool).