Case Value Assessment™ — Powered by the Mid-Atlantic Law Project
Applicable State Law
Your state writes the rules — know them before you negotiate.
Negligence
Because negligence law determines fault-sharing rules, being found even partly at fault can shrink your settlement or wipe it out entirely — under Illinois’s modified 51% bar, for example, 50% fault cuts your recovery in half, and 51% fault gets you nothing. Insurance adjusters know this, so they’ll often argue aggressively that you share more blame than you actually do, specifically to trigger that reduction or bar.
Negligence, in personal injury law, is the legal theory that makes someone responsible for an accident they caused through carelessness — not intentional harm, just failing to act with reasonable care and injuring someone as a result. A driver running a red light, a store not cleaning up a spill, a doctor missing an obvious diagnosis — all negligence, not malice.
To win a negligence claim, you generally have to show four things:
- Duty — the other party owed you some standard of care (e.g., drivers owe other drivers a duty to follow traffic laws)
- Breach — they failed to meet that standard (ran the light, ignored the spill, missed the diagnosis)
- Causation — that failure actually caused your injury
- Damages — you suffered real harm (medical bills, lost wages, pain and suffering, etc.)
Understanding the negligence rule in your state matters because it directly controls how much you can recover — and whether you can recover at all. If you’re found even partly at fault for your accident, your settlement can be reduced or eliminated entirely depending on your state’s rule.
Every state follows one of three negligence systems, and understanding which one applies to you matters because it directly controls how much you can recover — and whether you can recover at all. If you’re found even partly at fault for your accident, your settlement can be reduced or eliminated entirely depending on which system your state uses; in a strict state, being just 51% at fault can bar you from recovering anything. Insurance adjusters know this, which is why they’ll often push hard to shift more blame onto you than the facts actually support.
Here’s how the three systems handle shared fault:
Pure Comparative
You can still recover damages no matter how much you were at fault, even if you were mostly to blame. Your award is simply reduced by your percentage of fault.
Modified Comparative (50% or 51% Bar)
You can recover only if your share of fault stays under the state’s threshold. Your award is reduced by your fault percentage up to that point — but cross the line, and you recover nothing at all.
Contributory Negligence
The strictest system. Any fault on your part, even a small amount, can bar you from recovering anything.
In short: your state’s negligence rule can matter just as much as your injuries themselves in determining what your case is actually worth. Knowing which of the three systems applies to you — before you talk to an insurance adjuster — is one of the most important steps in protecting the full value of your claim.
For example, in Illinois — here’s how this plays out under the state’s specific rule:
Illinois’s Modified 51% Bar Rule
Under 735 ILCS 5/2-1116, Illinois allows recovery only if you are 50% or less at fault for the accident. Your award is reduced by your percentage of fault; at 51% or more, you recover nothing.
This is a classic example of a modified comparative negligence system at work — Illinois lets you recover a reduced award as long as your share of fault stays at or below 50%, but the moment you cross that line into 51% or more fault, the modified bar kicks in and cuts off your recovery completely.
Statute of Limitations
Another important factor is the statute of limitations — the strict deadline for filing your claim. Miss it, and your right to recover is permanently barred, no matter how strong your case is.
Incidentally, the statute of limitations in Illinois is 2 years from the date of the accident (735 ILCS 5/13-202) — one of the shorter deadlines in the country, so it’s important to act promptly.
Illinois Statute of Limitations
State-by-State Comparison
Every state sets its own rules on these two fronts, and they vary more than most people expect — the same accident can carry a completely different deadline and a completely different fault standard just by crossing a state line. Here’s a look at how negligence and filing deadlines compare across the country.
Negligence rule and filing deadline reflect each state’s statutes. Illustrative value ranges are grouped by tier — see methodology note below the table.
Methodology: Tiers group states by cost of living, venue/jury tendencies, and negligence-system severity — Tier 1 = high cost-of-living / plaintiff-favorable venues; Tier 2 = mid-range; Tier 3 = lower cost-of-living; Tier 4 = contributory-negligence or lower-average jurisdictions. Ranges are illustrative estimates for informational purposes only and are not a prediction of any individual case’s outcome. Actual settlement value depends on liability, medical documentation, insurance limits, and venue-specific factors unique to each claim.
⚠️ Special Note: 5 jurisdictions still use contributory negligence (1% fault = $0 recovery) — the harshest system in America: Alabama, Maryland, North Carolina, Virginia, and Washington D.C.
See What Your State’s Rules Mean for Your Case
Use the free Case Value Assessment™ calculator to get a structured estimate built around Illinois’s specific rules.
