Employer Lawsuits & Third-Party Claims

Can I Sue My Employer for Workers' Comp?

Many injured workers feel the workers' comp system doesn't provide enough compensation—and they're right. But suing your employer is extremely difficult. This guide explains when you can sue, who else might be liable, and how to maximize recovery.

David Lamonica, Esq. · California Workers' Compensation Attorney
Reviewed by David Lamonica, Esq. · Board Certified Workers' Compensation Specialist
Published January 1, 2024
Updated February 5, 2026

Short Answer: Probably Not

You cannot sue your employer in most cases. California's "exclusive remedy" rule says workers' compensation is your only legal recourse against an employer who carries workers' comp insurance.

BUT there are important exceptions and alternative claims:

  • You CAN sue third parties (equipment manufacturers, contractors, property owners)
  • You CAN sue if employer doesn't have workers' comp insurance
  • You CAN sue for employer retaliation (wrongful termination, discrimination)
  • Rare exceptions exist for intentional harm or fraud

Understanding the Exclusive Remedy Rule

The Legal Trade-Off

California's workers' compensation system, established under Labor Code §3600, is a "grand bargain" between workers and employers:

What Workers Get:

  • • Guaranteed benefits regardless of fault
  • • No need to prove employer negligence
  • • Immediate medical treatment
  • • Wage replacement while recovering
  • • Protection from being fired for filing claim

What Workers Give Up:

  • • Right to sue employer for negligence
  • • Pain and suffering damages
  • • Emotional distress compensation
  • • Punitive damages
  • • Full lost wage recovery (capped at 2/3)

This system protects employers from being sued into bankruptcy while ensuring injured workers receive some compensation without lengthy litigation. However, it often results in lower total compensation than a personal injury lawsuit would provide.

What "Exclusive Remedy" Means in Practice

Even if your employer was clearly negligent—failed to fix a hazard, ignored safety regulations, didn't train you properly—you cannot sue them in civil court. Under the exclusive remedy doctrine, workers' comp benefits are your only option.

Employer Negligence Examples (Still No Lawsuit):

  • Employer knew scaffolding was defective but didn't replace it
  • Employer violated OSHA safety regulations
  • Employer failed to provide required safety equipment
  • Employer didn't properly train you on hazardous machinery
  • Employer ignored your complaints about unsafe conditions

All of these constitute employer negligence, but workers' comp is still your exclusive remedy. You cannot sue for additional damages.

Exceptions: When You CAN Sue Your Employer

The exclusive remedy rule has narrow exceptions. These are extremely difficult to prove, but they exist:

1. Employer Doesn't Have Workers' Comp Insurance

California law requires all employers (even with just one employee) to carry workers' comp insurance. If your employer failed to get coverage, you can:

  • • Sue the employer directly in civil court for full damages (pain and suffering, emotional distress, punitive damages)
  • • File with the Uninsured Employers Benefits Trust Fund (UEBTF) to get workers' comp benefits from the state
  • • Pursue both simultaneously

This is the best-case scenario for workers. Civil lawsuits can yield settlements 5-10x higher than workers' comp because you can recover pain and suffering, full lost wages, and punitive damages for the employer's illegal conduct.

Employer penalties: Operating without insurance is a criminal misdemeanor. Employers face fines up to $100,000 and potential jail time.

2. Intentional Harm by Employer

If your employer intentionally caused your injury (not just negligence), you can sue. The bar is very high:

What Qualifies as Intentional Harm:

  • Employer physically assaults you
  • Employer forces you to work in conditions they know will cause serious injury or death with substantial certainty
  • Employer deliberately removes safety guards from machinery to increase production speed, knowing injury will result

What Does NOT Qualify:

  • Ignoring safety hazards (this is negligence, not intent)
  • Pressuring you to work faster or take risks (still negligence)
  • Failing to fix equipment they know is dangerous (gross negligence at best)

Key distinction: Your employer must have intended the injury, not just the hazardous condition. Knowing something is dangerous but hoping it won't hurt anyone isn't enough.

3. Fraud to Deny Benefits

If your employer commits fraud to prevent you from receiving workers' comp benefits, you may be able to sue:

  • • Lying to the insurance company about how the injury occurred
  • • Falsifying records to show you weren't an employee
  • • Coercing you to sign false statements about the injury
  • • Threatening deportation or termination if you file a claim

This is distinct from simply contesting your claim or disagreeing about coverage—fraud requires deliberate misrepresentation with intent to deceive.

4. Employer Acts as Third Party

In rare cases, your employer may be liable as a third party separate from their role as employer:

Example:

You're a delivery driver employed by Company A. Company A also manufactures defective trucks. You're injured when a defective truck brake fails. You can sue Company A as a product manufacturer (third-party role) while also receiving workers' comp from them as your employer.

These "dual capacity" situations are uncommon and require legal expertise to navigate.

Third-Party Lawsuits: Where the Real Money Is

While you usually can't sue your employer, you can sue anyone else whose negligence contributed to your injury. These third-party lawsuits often recover far more than workers' comp alone.

Common Third-Party Defendants

Equipment Manufacturers (Product Liability)

Defective machinery, tools, safety equipment, or vehicles that malfunctioned and caused injury.

Example: Forklift brakes fail due to manufacturing defect → Sue forklift manufacturer for product liability

General Contractors & Subcontractors

On construction sites, general contractors owe safety duties to all workers, even employees of subcontractors.

Example: You're employed by electrical subcontractor. General contractor's unsafe scaffolding causes you to fall → Sue general contractor

Property Owners (Premises Liability)

If you're injured on property not owned by your employer, the property owner may be liable for unsafe conditions.

Example: Delivery driver slips on unmarked wet floor in client's building → Sue property owner for premises liability

Vehicle Drivers (Auto Accidents)

If you're injured in a traffic accident during work, you can sue the at-fault driver.

Example: Truck driver rear-ended by distracted driver → Sue negligent driver for personal injury damages

Product Designers & Engineers

Companies that designed unsafe equipment or chemicals can be held liable even if they didn't manufacture it.

Example: Toxic chemical exposure from improperly labeled product → Sue chemical company for failure to warn

Maintenance & Repair Companies

Third parties hired to maintain or repair equipment who do negligent work.

Example: HVAC repair company improperly services equipment causing carbon monoxide leak → Sue HVAC company

Why Third-Party Lawsuits Are Worth Pursuing

Third-party lawsuits allow you to recover damages unavailable through workers' comp:

Comparison: Workers' Comp vs. Third-Party Lawsuit

Workers' Comp Only:
  • • Medical treatment (covered)
  • • Temporary disability (2/3 wages)
  • • Permanent disability ($45K typical)
  • • No pain and suffering
  • • No emotional distress
  • • No punitive damages

Total: $45,000

Workers' Comp + Third-Party Lawsuit:
  • • Medical treatment (covered)
  • • Temporary disability (2/3 wages)
  • • Permanent disability ($45K)
  • • Pain and suffering ($150K)
  • • Emotional distress ($50K)
  • • Punitive damages (varies)

Total: $245,000+

Note: Workers' comp insurance gets reimbursed from third-party settlement for medical costs and disability already paid (called a "lien"). Your attorney negotiates to minimize this lien.

Real-World Third-Party Examples

Construction Site Fall

Injury: Carpenter employed by Subcontractor A falls from defective scaffolding erected by Subcontractor B on a job site managed by General Contractor C.

Workers' Comp: File with Subcontractor A (your employer) for medical treatment and disability.

Third-Party Lawsuit: Sue General Contractor C for unsafe site conditions and Subcontractor B for defective scaffolding. Potential recovery: $300K+ for spinal injury.

Warehouse Forklift Accident

Injury: Warehouse worker crushed by forklift with defective braking system.

Workers' Comp: File with employer for medical and disability ($80K settlement).

Third-Party Lawsuit: Sue forklift manufacturer for product liability. Potential recovery: $500K+ for permanent disability and pain and suffering.

Delivery Driver Car Crash

Injury: Delivery driver rear-ended by drunk driver while on delivery route.

Workers' Comp: File with employer for medical and lost wages.

Third-Party Lawsuit: Sue drunk driver for negligence. Potential recovery: Auto insurance limits ($100K-$250K) plus pain and suffering.

Employer Retaliation: A Separate Legal Claim

While you can't sue for the injury itself, you can sue for retaliation if your employer fires, demotes, or harasses you for filing a workers' comp claim.

Labor Code 132a Violations (Illegal Retaliation):

  • • Firing you for filing a workers' comp claim
  • • Demoting or reducing hours as punishment
  • • Creating hostile work environment
  • • Threatening deportation or job loss if you file
  • • Blacklisting you in the industry

Damages available:

  • • Lost wages (past and future)
  • • Reinstatement to your job
  • • Emotional distress damages
  • • Punitive damages (to punish the employer)
  • • Increase of up to 50% in your workers' comp benefits (penalty against employer)
  • • Attorney fees and costs

Retaliation cases are separate from workers' comp and are filed in civil court. You can pursue both simultaneously.

How to Pursue Both Workers' Comp and Third-Party Claims

  1. 1.
    File Workers' Comp Claim Immediately

    Report your injury to your employer within 30 days. This gets you immediate medical treatment and temporary disability payments while you investigate third-party liability.

  2. 2.
    Preserve Evidence of Third-Party Fault

    Photograph defective equipment, get witness statements, obtain police reports (for vehicle accidents), and document the scene before evidence disappears.

  3. 3.
    Hire an Attorney Experienced in Both Areas

    You need a lawyer who handles workers' comp AND personal injury. They coordinate both claims to maximize total recovery and minimize workers' comp liens.

  4. 4.
    Negotiate Lien Reduction

    When you settle the third-party case, workers' comp insurance will claim a lien for expenses already paid. Your attorney negotiates to reduce this lien, putting more money in your pocket.

Example Timeline:

Day 1: Injured by defective equipment at work
Day 2: Report to employer, file DWC-1 claim form
Week 1: Begin receiving medical treatment through workers' comp
Month 1: Hire attorney who identifies equipment manufacturer liability
Month 3: Attorney files third-party lawsuit against manufacturer
Month 6-12: Continue receiving temporary disability through workers' comp
Month 12: Reach MMI, receive workers' comp settlement ($65K)
Month 18: Third-party case settles ($280K)
Final: Workers' comp lien negotiated from $65K to $30K. Net additional recovery: $250K

When to Contact an Attorney

Consult a workers' comp attorney immediately if:

  • • Your injury involved defective equipment or machinery
  • • You were injured on a property not owned by your employer
  • • Your injury involved a vehicle accident with a third party
  • • You work in construction and were injured by another contractor's actions
  • • Your employer doesn't have workers' comp insurance
  • • You've been fired, demoted, or harassed for filing a claim
  • • Your employer pressured you not to file a claim or lied about the injury

Why early consultation matters: Evidence disappears quickly. Defective equipment gets repaired or discarded. Witnesses forget details. Surveillance footage is erased. The sooner an attorney investigates, the stronger your third-party case.

Free consultations. We evaluate whether you have third-party liability claims at no cost. If we take your case, you pay nothing unless we win.

Legal Disclaimer: This information is for educational purposes and does not constitute legal advice. Third-party liability and employer lawsuit eligibility depend on specific facts and circumstances. Consult with an attorney for guidance on your case.

For a free case evaluation, contact our office. David Lamonica, State Bar #165205.

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