Ten tips on how to write without prejudice letters to help you get a quick, painless settlement agreement and exit package deal. The 'without prejudice' rule, shields statements made in an honest attempt to resolve an ongoing dispute from being used as evidence in court.The 'without prejudice' rule generally prevents statements made in a genuine attempt to settle an existing dispute from being put before the court. Illinois Legal Aid Online provides a guided interview called an Easy Form that will help you fill out the forms.