in pari delicto
- (law) In pari delicto describes a case in which involved parties are mutually or equally at fault. In such cases where a party's own conduct is mutually wrongful, that party may not claim damages or satisfaction from the other(s) in a court of law.
Latin in pari delicto potior est conditio defendentis: "if both (parties) are in the wrong, a defence is set up".
in pari delicto - Legal Definition
At equal fault.