Add Comment Question: Once a lawyer send a letter to ex employer. How long does a wrongful dismissal case / setlement takes approximately? Answer: If legal action is commenced, on average it should take 3 - 4 months. If no legal action is commenced but only negotiations take place, it should take 2 - 3 weeks. Your Comment * Your Email * Your Name * Your City Note, your name, city and email is not displayed on the website. It is used to notify you that we have approved your comment.