Misjoinder
Party inappropriately joined
Court may dismiss misjoined party at any time
demurrer or plea of misjoinder
Nonjoinder
Party was not joined who should have been
When must you generally add a party to the suit?
21 days of filing complaint
Court sua sponte may add if necessary
Adding a NECESSARY PARTY
Interests impaired
If J destroyed, court may dismiss or continue suit
Adding an INDISPENSIBLE party
Prejudice
Court must dismiss w/o prejudice
Interpleader
One party holding property dealing with competing claims
Can join any party necessary to determine entitlement
Intervention
Petition to intervene
requires leave of court