# Illinois — Landlord retaliation presumption period by US state

For Illinois, presumption period is one year; what the presumption does is creates a rebuttable presumption that the landlord's conduct was retaliatory; example of a protected activity is exercised any right or remedy provided by law; statute is 765 ILCS 721/20, recorded from its source on 2026-09-02.

- **State:** Illinois _(our reading, not quoted from the source)_
- **Presumption period:** one year _(verified: appears in the quote below)_
- **What the presumption does:** creates a rebuttable presumption that the landlord's conduct was retaliatory _(verified: appears in the quote below)_
- **Example of a protected activity:** exercised any right or remedy provided by law _(verified: appears in its own passage below)_
- **Statute:** 765 ILCS 721/20 _(our reading, not quoted from the source)_

## What the source says

> Sec. 20. Rebuttable presumption. In an action by or against the tenant, if within one year before the alleged act of retaliation there is evidence that the retaliation was against the tenant's conduct that is protected under this Act, that evidence creates a rebuttable presumption that the landlord's conduct was retaliatory.

## Where each value comes from

This source states these in separate places, so each value is shown with the passage that states it.

### Example of a protected activity

> (7) exercised any right or remedy provided by law.

## Source

- https://www.ilga.gov/Legislation/ILCS/Articles?ActID=4532&ChapterID=62&Print=True

Last verified: 2026-09-02. Review by: 2027-09-02.
Part of [Landlord retaliation presumption period by US state](https://referencesource.org/landlord-retaliation-presumption-period-by-state/).