Statute of Limitations for State Tort Claims Act — Filing Deadline in Illinois

5 min read

Published March 22, 2026 • By DocketMath Team

This article is for informational purposes only and does not constitute legal advice. Laws change frequently — verify all citations with current official sources.

Overview

In Illinois, many people run into the same procedural snag: they discover—too late—that a “state tort” lawsuit is time-barred because it wasn’t filed before the applicable statute of limitations expired. Under Illinois law, the most frequently cited limitations rule for certain tort actions against the state is found in the Illinois Governmental Tort Immunity Act.

DocketMath’s Statute of Limitations calculator can help you turn a date you already know (like the incident date) into a filing deadline. This matters because the deadlines are tied to specific statutory time periods and can be affected by a narrow set of exceptions.

Note: This post focuses on Illinois filing deadlines for the Illinois Governmental Tort Immunity Act framework. It’s not legal advice, and the “right” deadline can depend on the precise claim type and who the defendant is.

Limitation period

Illinois provides a baseline filing window of 5 years for covered tort claims under the Governmental Tort Immunity Act limitations provision:

Default SOL period: 5 years
Statutory basis: 720 ILCS 5/3-6

In practical terms, a 5-year rule means:

If the covered tort claim accrues on a particular date, the filing deadline is generally 5 years after that accrual date (subject to exceptions discussed below).
If you miss that deadline, the claim is typically dismissed as untimely.

How the DocketMath calculator changes the output

DocketMath is designed to be date-driven. The two core inputs you’ll typically use are:

Incident / accrual date (the date from which the limitations clock runs)
Jurisdiction (US-IL)

With those inputs, DocketMath computes:

The end date by adding the statute’s period to the start date (then presenting a clear “file by” deadline).

If the facts implicate a shorter exception period (like a 3-year or 1-year window), the computed deadline will move earlier accordingly. That’s why you should select the correct rule or exception when using any limitations tool.

Key exceptions

Illinois limits can change sharply when an exception applies. Based on the jurisdiction data for this post, the relevant alternative time periods include:

3 years under 720 ILCS 5/3-5 (exception P1)
1 year under 720 ILCS 5/3-5(b) (exception V3)
5 years under 820 ILCS 115/14 (exception H7)

When exceptions matter most

Even if the default rule is “5 years,” exceptions can determine whether the deadline is:

3 years instead of 5, or
1 year instead of 5.

Because limitations provisions are claim-specific, the safest way to use a calculator is to match the claim to the correct statutory section. DocketMath supports this by letting you apply the relevant statute-of-limitations rule rather than relying solely on the default period.

Warning: A mismatch between your claim category and the limitations section can produce a deadline that is off by years. Always confirm which statutory provision governs your particular tort theory and defendant context before filing.

Quick comparison table (Illinois)

Rule / provision	SOL period	Best-aligned scenario (conceptual)	Jurisdiction code
720 ILCS 5/3-6	5 years	Default limitation period	US-IL
720 ILCS 5/3-5	3 years (exception P1)	When the claim fits the section’s shorter window	US-IL
720 ILCS 5/3-5(b)	1 year (exception V3)	When the claim triggers the strictest time limit	US-IL
820 ILCS 115/14	5 years (exception H7)	When a specific cross-referenced limitation applies	US-IL

Statute citation

The key statute for the default 5-year limitations period discussed here is:

720 ILCS 5/3-6 — 5 years
Source: Illinois General Assembly, Public Acts (101st General Assembly)
https://ilga.gov/ftp/Public%20Acts/101/101-0130.htm?utm_source=openai

For the exceptions reflected in this jurisdiction data:

720 ILCS 5/3-5 — 3 years (exception P1)
720 ILCS 5/3-5(b) — 1 year (exception V3)
820 ILCS 115/14 — 5 years (exception H7)

Note: Statute citations are shown to help you verify language directly in the Illinois Compiled Statutes or the Illinois General Assembly source. This post focuses on the limitations windows, not on procedural prerequisites unrelated to time.

Use the calculator

Use DocketMath to compute a filing deadline from your dates instead of guessing:
https://docketmath.com/tools/statute-of-limitations

Go to: /tools/statute-of-limitations
Select Jurisdiction: US-IL
Enter the incident/accrual date (the starting point for the limitations clock)
Choose the appropriate statutory rule if your situation aligns with an exception:
- Default: **720 ILCS 5/3-6 (5 years)
- Exception alternatives:
  
  **720 ILCS 5/3-5 (3 years)
  
  **720 ILCS 5/3-5(b) (1 year)
  
  **820 ILCS 115/14 (5 years)

What changes the output?

Here’s what typically shifts the “file by” date:

Change in accrual/incident date
Moving the start date forward by 30 days generally moves the calculated deadline forward by about 30 days.
Switching from 5 years to a shorter exception
A move from 720 ILCS 5/3-6 (5 years) to 720 ILCS 5/3-5 (3 years) can pull the deadline back by roughly 2 years. Switching to 720 ILCS 5/3-5(b) (1 year) can pull it back by roughly 4 years.
Switching to the cross-referenced 5-year rule
820 ILCS 115/14 (5 years) keeps the same length as the default in this dataset, but it can still matter if that specific section is the governing limitation for your claim.

If you want a practical workflow: compute the deadline under the default rule, then immediately recompute using any exception that could realistically apply. If the exception yields a much earlier date, treat the earlier date as your operational target for filing timelines.