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Terms of Employment: Illinois

Terms of Employment requirements for other states

Federal law and guidance on this subject should be reviewed together with this section.

Authors: Stuart R. Buttrick, Susan W. Kline, Stacey Smiricky and Lindsey M. Hogan, Faegre Baker Daniels LLP


  • The Illinois Human Rights Act provides broader protection than Title VII. See Illinois Laws Prohibiting Discrimination.
  • Illinois is an employment at-will state; however, it recognizes exceptions to the general employment at-will principles. See Employment At-Will.
  • Offer letters and employee handbooks may modify the at-will doctrine. See Employment At-Will.
  • Illinois enforces restrictive covenants, so long as the agreements are reasonable. See Restrictive Covenants.
  • Secret information meeting the requirements of a trade secret under Illinois law may be protected, and employers that have their trade secret information unlawfully acquired may be eligible for certain damages. See Illinois Trade Secret Act.