Rule 14 – Third-party practice

(a) When a Defending Party may Bring in a Third Party. (1) Timing of the Summons and Complaint. A defending party may, as third-party plaintiff, serve a summons and complaint on a nonparty who is or may be liable to it for all or part of the claim against it. But the...

Rule 13 – Counterclaim and crossclaim

(a) Compulsory Counterclaim. (1) In General. A pleading must state as a counterclaim any claim that-at the time of its service-the pleader has against an opposing party if the claim: (A) arises out of the transaction or occurrence that is the subject matter of the...