You must complete THREE STEPS to e-file documents with the Court: 1. Find and prepare the right documents. 2.Before filing a lawsuit in court for wrongful termination, you need to file a complaint with the Illinois Department of Human Rights and the EEOC. The Frequently Asked Questions (FAQs) provided below highlight topics and specific questions that are often asked of the Illinois Department of Labor (IDOL). The first step in a wrongful termination case is to file a claim with the EEOC. 1. Consultation with an attorney: The first step in a wrongful termination lawsuit is often to consult with an experienced employment lawyer. In this guide, we'll discuss how to file a lawsuit for termination, the critical stages involved, and what to anticipate during the legal process. In Illinois, wrongful termination occurs when an employee is fired for reasons that are illegal under state or federal law. If you believe you've been unlawfully dismissed, consult a lawyer immediately to assess the potential for a wrongful termination lawsuit. Option 1: Find forms on the forms website of the Administrative Officer of the Illinois Courts.