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Auto Insurance Claims: How the Filing Process Works

After a crash, most people face the same immediate question: what happens now? Filing an auto insurance claim is the formal process of notifying your insurer — or someone else's — that a loss occurred and requesting compensation. How that process unfolds depends on who was at fault, what coverage applies, how serious the damage or injuries are, and where the accident happened.

First-Party vs. Third-Party Claims

The type of claim you file depends on whose insurance you're dealing with.

A first-party claim is filed with your own insurance company — for example, using your collision coverage after an accident regardless of fault, or your Personal Injury Protection (PIP) to cover medical expenses in no-fault states.

A third-party claim is filed against another driver's liability insurance when they caused the accident. In this case, their insurer — not yours — is the one evaluating and potentially paying the claim.

In some situations, both types of claims run simultaneously, particularly when injuries are involved and coverage sources overlap.

How Insurers Investigate a Claim

Once a claim is opened, an adjuster is assigned. Their job is to investigate the facts: reviewing the police report, inspecting vehicle damage, requesting medical records, interviewing involved parties, and sometimes hiring independent experts.

Adjusters work for the insurance company. Their evaluation shapes whether a claim is accepted, how fault is allocated, and what amount is offered.

Key documents that typically matter:

  • Police or accident report
  • Photos of vehicle damage and the scene
  • Medical records and bills
  • Witness statements
  • Repair estimates

⚠️ What you say early in the process can affect how your claim is evaluated. This is one reason many people choose to consult an attorney before making detailed recorded statements.

Fault Rules Vary by State

How fault is determined — and how it affects your claim — depends heavily on your state's legal framework.

Fault SystemHow It Works
At-fault statesThe driver who caused the accident is responsible for damages through their liability coverage
No-fault statesEach driver's own insurer pays their medical expenses up to policy limits, regardless of fault
Comparative negligenceDamages are reduced by your percentage of fault (rules vary by state)
Contributory negligenceBeing even slightly at fault may bar recovery entirely (a small minority of states)

In pure comparative negligence states, you can recover even if you're 90% at fault — your damages are simply reduced proportionally. In modified comparative negligence states, there's typically a 50% or 51% fault threshold. The distinction matters significantly in disputed-fault accidents.

What Damages Are Typically Recoverable

Auto accident claims generally involve two categories of damages:

Economic damages — losses with a clear dollar value:

  • Medical bills (past and future)
  • Lost wages and reduced earning capacity
  • Vehicle repair or replacement
  • Out-of-pocket costs

Non-economic damages — losses without a fixed price:

  • Pain and suffering
  • Emotional distress
  • Loss of enjoyment of life

In no-fault states, access to non-economic damages like pain and suffering is often restricted unless injuries meet a defined tort threshold — either a monetary amount in medical bills or a specific injury type like fractures or permanent disability.

Diminished value — the reduction in a vehicle's resale value after being repaired — is another category some claimants pursue, though coverage for it varies by state and policy.

How Coverage Types Affect Your Claim 🔍

Different coverage types serve different purposes and apply under different circumstances:

  • Liability coverage — pays for damage and injuries you cause to others; required in most states
  • PIP (Personal Injury Protection) — covers your medical expenses and sometimes lost wages regardless of fault; mandatory in no-fault states, optional or unavailable in others
  • MedPay — similar to PIP but more limited; available in some states
  • Uninsured/underinsured motorist (UM/UIM) — covers you when the at-fault driver has no insurance or not enough; required in some states, optional in others
  • Collision — pays for your vehicle damage regardless of fault
  • Comprehensive — covers non-collision damage (theft, weather, animals)

Policy limits define the ceiling on what any coverage will pay. When damages exceed those limits, the gap becomes a separate problem.

Medical Treatment and Why Documentation Matters

Medical records are central to how injury claims are valued. Treatment that begins promptly after an accident, continues consistently, and is well-documented creates a clearer connection between the crash and the injuries claimed.

Gaps in treatment — whether due to cost, schedule, or personal choice — can be used by adjusters to argue that injuries were less serious than claimed or unrelated to the accident.

Common treatment patterns after a crash include emergency evaluation, follow-up with a primary care physician or specialist, imaging, physical therapy, and in serious cases, surgery or long-term rehabilitation.

When Attorneys Typically Get Involved

Many people handle minor property damage claims without legal help. When injuries are involved, or when fault is disputed, attorney involvement becomes more common.

Personal injury attorneys in accident cases typically work on contingency — meaning they collect a percentage of the settlement or judgment, usually ranging from 25% to 40%, rather than charging upfront fees. The exact percentage varies by firm, state, and case complexity.

An attorney typically handles communication with adjusters, gathers evidence, documents damages, sends a demand letter outlining the claimed losses, and negotiates settlement. If settlement fails, litigation follows.

Subrogation is a related concept: if your insurer pays your claim, it may have the right to recover that amount from the at-fault party's insurer — a process that runs in the background of many claims.

Timelines and Deadlines

Statutes of limitations — the legal deadline to file a lawsuit — vary by state and claim type. Most range from one to six years for personal injury claims, but the specific deadline depends on your state, the type of accident, and who's being sued.

Insurance companies also impose their own reporting deadlines, often requiring prompt notice after an accident regardless of when a formal claim is pursued.

Claim resolution timelines vary widely: simple property damage claims may settle in weeks; injury claims involving disputed liability or serious medical treatment often take months to years.

The Pieces That Determine Your Outcome

No two claims resolve the same way. Your state's fault rules, your specific coverage, the severity of injuries, how clearly liability is established, and how well losses are documented all shape what happens — and when.

That's not a vague disclaimer. It's the actual structure of how these claims work. The framework above applies broadly. How it applies to your accident, your policy, and your state is a different question entirely.