Once you have the Right to Sue Letter, you have 90 days from the issuance of the letter, to file the lawsuit. The statute of limitations is the legal time limit for filing a lawsuit based on a particular claim.Employers may not terminate an employee for any illegal reason. For most claims, the statute of limitations is 180 days from the date of the employee's termination. How Long Do I Have to File a Wrongful Termination Lawsuit in Texas? You must file wrongful termination claims within the statute of limitations. This notice informs the Charging Party that they have the right to file a lawsuit in federal court within 90 days from the date of its receipt. OCA is an "at-will" employer. Every employee is subject to disciplinary measures, up to and including involuntary dismissal. —El Paso 2015)) and you must file a lawsuit within 90 days of the violation.