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Strikes, Lockouts and Other "Economic Weapons": Illinois

Strikes, Lockouts and Other "Economic Weapons" 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 and Tareen Zafrullah, Faegre Drinker Biddle & Reath LLP


  • The National Labor Relations Act (NLRA) governs strikes by employees of private employers that are covered by the jurisdictional requirements of the NLRA. See Private Sector Employee Strikes.
  • Illinois courts may not issue certain types of injunctions in cases involving disputes concerning employment terms or conditions. See Injunctions.
  • Picketers have the right to use public rights of way. See Picketing.
  • During strikes and lockouts, employers may not advertise for replacements unless the advertisement states a strike or lockout is in progress. See Replacement Advertisements.
  • Illinois law prohibits using professional strikebreakers during strikes and lockouts, although two federal courts have held the law is preempted. See Professional Strikebreakers.