What Is Wrongful Termination in Illinois?

June 26, 2026

Intro:

Illinois is an at-will employment state — which means your employer can generally terminate your employment for any reason, or no reason, without notice. But at-will employment has important limits. When a termination crosses those limits, it may constitute wrongful termination and give rise to a legal claim.

Termination Based on a Protected Characteristic

Federal and Illinois law prohibit employers from terminating employees because of race, color, national origin, sex, religion, age (40 and over), disability, pregnancy, or other protected characteristics. If your employer's stated reason for termination is pretextual — meaning it is offered to conceal the real discriminatory motive — you may have a discrimination claim under Title VII, the ADEA, the ADA, or the Illinois Human Rights Act.

Retaliation

Employers cannot legally terminate an employee in retaliation for engaging in protected activity. Protected activity includes filing or supporting a discrimination complaint, reporting illegal activity to a government agency (whistleblowing), taking protected family or medical leave, or exercising other legally protected rights. Retaliation claims are among the most common employment law claims in Illinois.

Violation of an Employment Contract

If you have a written employment contract — or an implied contract created by an employee handbook or employer representations — your employer may only terminate you consistent with the terms of that agreement. Termination that breaches the contract's provisions may give rise to a breach of contract claim independent of any discrimination theory.

What To Do If You Believe You Were Wrongfully Terminated

  • Preserve all documentation: emails, performance reviews, disciplinary records, and any communications related to your termination.
  • Note the timeline: was the termination shortly after you filed a complaint, took leave, or engaged in protected activity?
  • Do not sign a severance agreement before consulting an attorney — you may be waiving valuable claims.
  • Consult an employment law attorney promptly: Illinois has time limits (statutes of limitations) for filing discrimination and retaliation claims.


Angelini & DiLeo Law represents employees and executives in wrongful termination matters throughout Chicago, Cook County, and DuPage County. Schedule a confidential consultation at 312.900.0100.

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