Misjoinder


title: "Misjoinder" type: doc version: 1 created: 2026-02-28 author: "Wikipedia contributors" status: active scope: public tags: ["legal-procedure"] topic_path: "general/legal-procedure" source: "https://en.wikipedia.org/wiki/Misjoinder" license: "CC BY-SA 4.0" wikipedia_page_id: 0 wikipedia_revision_id: 0

In legal procedure (both civil and criminal), misjoinder (also known as wrongful joinder) involves the improper inclusion of one or more parties or causes of action within a lawsuit. The two forms of misjoinder are:

  • Misjoinder of causes of action, or counts: joining several demands to enforce substantive rights of recovery that are distinct and contradictory.
  • Misjoinder of parties: joining as plaintiffs or defendants persons who have conflicting interests, or who were not involved in the same transaction or event.

United States

According to FRCP, Rule 21,

References

References

  1. (2002). "The people's law dictionary : taking the mystery out of legal language". MJF Books.
  2. (1897). "Bouvier's Law Dictionary". Boston Book Company.
  3. "FRCP Rule 21. Misjoinder and Nonjoinder of Parties". Cornell Law School.

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legal-procedure