# Misjoinder

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In [legal procedure](/source/legal_procedure) (both civil and criminal), '''misjoinder''' (also known as '''wrongful [joinder](/source/joinder)''') involves the improper inclusion of one or more parties or causes of action within a lawsuit.<ref>{{cite book |last1=Hill |first1=Gerald N. |last2=Hill |first2=Kathleen |title=The people's law dictionary : taking the mystery out of legal language |date=2002 |publisher=MJF Books |location=New York, NY |isbn=9781567315530}}</ref> The two forms of misjoinder are:<ref>{{cite book |last1=Bouvier |first1=John |last2=Rawle |first2=Francis |title=Bouvier's Law Dictionary |date=1897 |publisher=Boston Book Company |location=Boston}}</ref>
*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](/source/Federal_Rules_of_Civil_Procedure), Rule 21,<ref>{{cite web |title=FRCP Rule 21. Misjoinder and Nonjoinder of Parties |url=https://www.law.cornell.edu/rules/frcp/rule_21 |website=Wex |publisher=Cornell Law School |access-date=22 November 2021}}</ref>
{{quotation|Misjoinder of parties is not a ground for dismissing an action. On motion or on its own, the court may at any time, on just terms, add or drop a party. The court may also sever any claim against a party.}}

==References==
{{Reflist}}

Category:Legal procedure

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