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Timeline & Process

How Long Does a Workers' Comp Case Take in California?

One of the most common questions from injured workers: "How long will this take?" This guide breaks down the timeline for every stage of a California workers' comp case, from filing to settlement.

David Lamonica, Esq. · California Workers' Compensation Attorney
Reviewed by David Lamonica, Esq. · Board Certified Workers' Compensation Specialist
Published March 26, 2026

Typical Case Timelines

Simple Case (accepted, no surgery) 6 - 12 months

Soft tissue injury, conservative treatment, accepted claim.

Moderate Case (surgery or disputed) 12 - 24 months

Surgery required, or PD rating disputed. QME evaluation needed.

Complex Case (denied, multiple issues) 2 - 4 years

Denied claim, multiple body parts, apportionment disputes, trial.

Timeline Breakdown by Stage

A workers' comp case moves through distinct stages. Understanding each stage helps you set realistic expectations and identify when something is taking longer than it should.

Stage 1: Injury Report & Claim Filing (Days 1 - 30)

Report your injury to your employer within 30 days. Your employer must provide the DWC-1 claim form within one working day. File the DWC-1 and begin medical treatment. The insurance company begins its investigation.

Stage 2: Claim Investigation (Days 1 - 90)

The insurer has 90 days to accept or deny your claim. During this period, they must authorize up to $10,000 in medical treatment. If no decision is issued within 90 days, the claim is presumed accepted. Temporary disability payments must start within 14 days if you miss work.

Stage 3: Active Treatment (Months 1 - 12+)

You receive medical treatment -- physical therapy, surgery, pain management, etc. -- until you reach maximum medical improvement (MMI). This is the longest stage and varies enormously by injury. A sprained ankle may reach MMI in 8 weeks; a spinal fusion may take 12 months or more.

Stage 4: Permanent & Stationary Report (Months 6 - 18)

Once at MMI, your treating physician (or a QME/AME) writes a Permanent & Stationary report assigning your Whole Person Impairment (WPI). This report is the foundation of your settlement. Getting this report can take 2 to 6 months after MMI due to scheduling delays.

Stage 5: PD Rating & Negotiation (Months 9 - 24)

Your WPI is converted to a PD rating using the PDRS. The insurance company may dispute the rating, requiring a QME or AME evaluation (adds 2-4 months). Once the rating is established, settlement negotiations begin. Negotiation typically takes 1 to 3 months.

Stage 6: Settlement or Trial (Months 12 - 36+)

Most cases settle through a Compromise & Release or Stipulations agreement. If not, the case goes to a Mandatory Settlement Conference, then trial. The hearing process adds 3 to 6 months. After the judge approves the settlement or issues a decision, payment comes within 30 days.

Factors That Speed Up Your Case

  • + Accepted claim: No denial means no litigation over compensability
  • + Single body part: Fewer disputes, simpler PD rating
  • + Conservative treatment: Faster recovery, quicker MMI
  • + Experienced attorney: Knows how to push the case forward and manage deadlines
  • + Attending all appointments: No gaps in treatment that delay MMI

Factors That Slow Down Your Case

  • - Denied claim: Must litigate compensability before addressing benefits
  • - Surgery: Extends treatment period and time to reach MMI
  • - Disputed PD rating: QME/AME process adds months
  • - Multiple body parts: More complex evaluation and rating
  • - Apportionment disputes: Additional medical opinions needed
  • - Missed appointments: Creates gaps in medical record, delays MMI

Settlement vs. Trial Timeline

The vast majority of workers' comp cases (over 95%) settle without going to trial. Settlement is almost always faster than trial. A case that could settle in 12 months may take 24 months or longer if it goes to trial, because of scheduling delays, the hearing process, and waiting for the judge's decision.

Key Insight: While trials take longer, sometimes the threat of trial is what produces a fair settlement offer. An attorney who is prepared and willing to go to trial often gets better settlement results during negotiations.

How Long Each Benefit Type Takes

Benefit Type When It Starts Duration
Medical Treatment Immediately (up to $10K during investigation) Until case closes or for life (Stipulations)
Temporary Disability Within 14 days of employer notice Up to 104 weeks (240 for severe injuries)
Permanent Disability After PD rating is determined Varies by rating (weeks or lump sum)
SJDB Voucher After P&S report (if PD > 0%) $6,000 voucher (2 years to use)

Legal Disclaimer: This information is for educational purposes and does not constitute legal advice. Case timelines vary significantly based on individual circumstances. Consult with an attorney about your specific situation.

For guidance on your specific case timeline, contact our office for a free case evaluation. David Lamonica, State Bar #165205.

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