Personal Injury Statute of Limitations in Wisconsin

Last verified 2026-07 · Source: Wis. Stat. § 893.54(1m) ✓ verified · 3 sources

The deadline

3 years

from Date of injury or date of discovery of injury, under Wis. Stat. § 893.54(1m).

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Under Wis. Stat. § 893.54(1m), you have 3 years from Date of injury or date of discovery of injury to file a personal injury lawsuit in Wisconsin. Miss it and you lose the right to sue — but several Wisconsin-specific exceptions can extend (or shorten) that window, detailed below.

Wisconsin Deadlines for Related Claims

When the Clock Starts

In Wisconsin, the limitations period for personal injury lawsuits generally begins on Date of injury or date of discovery of injury. Wisconsin recognizes a discovery rule for this claim type: Wisconsin courts apply the discovery rule — the limitations period begins when the plaintiff discovers or in the exercise of reasonable diligence should have discovered the injury and its cause; statutory tolling for mental illness under § 893.16 allows up to five additional years

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Exceptions That Can Extend the Deadline

Modified comparative fault (51% bar). § 893.54(1m) applies broadly to personal injury claims including slip-and-fall, dog bite, assault, and premises liability. Minors have two years from age 18 or emancipation to file, except medical malpractice claims where the minor-tolling exception does not apply.

Source: Wis. Stat. § 893.54(1m), official Wisconsin statute · verified 2026-07

What to Do Before the Deadline Runs

  1. Pin down your accrual date — the day the clock started — and calendar the deadline conservatively.
  2. Preserve evidence now: photos, records, witness contacts, bills. Evidence decays faster than deadlines.
  3. Send preservation/notice letters where required (especially for Wisconsin government defendants).
  4. If the deadline is inside 6 months, treat it as urgent — filing suit is the only reliable way to stop the clock.

How Wisconsin Compares to Nearby States

StateDeadlineStatute
Wisconsin3 yearsWis. Stat. § 893.54(1m)
Michigan 3 yrs Mich. Comp. Laws § 600.5805(2)
Minnesota 2 yrs Minn. Stat. § 541.07(1)
Iowa 2 yrs Iowa Code § 614.1(2)
Illinois 2 yrs 735 Ill. Comp. Stat. § 5/13-202

Frequently Asked Questions

How long do I have to file a personal injury lawsuit in Wisconsin?

You have 3 years from Date of injury or date of discovery of injury, under Wis. Stat. § 893.54(1m).

Can I still sue after 3 years in Wisconsin?

Usually no — courts dismiss claims filed after the statute of limitations expires. Narrow exceptions (the discovery rule, tolling for minors, fraudulent concealment) can extend the deadline; whether one applies depends on your facts.

Does the discovery rule apply to personal injury lawsuits in Wisconsin?

Yes. Wisconsin courts apply the discovery rule — the limitations period begins when the plaintiff discovers or in the exercise of reasonable diligence should have discovered the injury and its cause; statutory tolling for mental illness under § 893.16 allows up to five additional years

What if the victim was a minor?

Wisconsin generally pauses ("tolls") the deadline while the injured person is under 18, giving them time to file after reaching adulthood. Special limits can still apply, so check the statute.

Is the deadline different for claims against the government?

Written notice of claim required within 120 days of injury to the Wisconsin Attorney General (for state claims) or local government clerk (for local claims) under Wis. Stat. § 893.82 and § 893.80; claimant has six months to file suit after claim is disallowed

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Sources

This page is legal information, not legal advice. Deadlines have exceptions that depend on your facts — confirm with a licensed Wisconsin attorney.