Can You Sue for Wrongful Termination in California? Yes, you can sue your employer if the nature of your termination was illegal.Employees, former employees, or job applicants who have suffered retaliation or discrimination may file a retaliation complaint. What is wrongful termination? How do you prove it? Full Name(Required). We are experienced wrongful termination and retaliation lawyers assisting unfairly-terminated or disciplined employees in California. Wrongful termination claims may be based on retaliation, discrimination, failure to pay wages, breach of contract, and other improper reasons for dismissal. Wrongful termination occurs when an employee is fired for an impermissible or unlawful reason. When an unlawful reason is a substantial motivating factor in the decision, the termination is wrongful.