TBI Settlement Calculator

Traumatic Brain Injury Settlement Calculator for Attorneys

Estimate TBI case values using Glasgow Coma Scale severity tiers, real verdict data, jurisdiction multipliers, and AI-powered analysis across 439+ cited cases.

439+
Real Cited Verdicts
$540K
Median TBI Settlement
50
States Covered
20
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TBI Settlement Overview

Traumatic brain injuries represent some of the highest-value personal injury cases in the American legal system. According to data compiled by legal analytics firms, the median TBI settlement is approximately $540,000, but outcomes vary dramatically based on severity, ranging from $100,000 for mild concussions to over $30 million for catastrophic brain damage requiring lifetime care.

Nuclear verdicts (awards exceeding $10 million) grew by 52% in 2024, with TBI cases consistently among the largest awards. The average nuclear verdict from 2020 to 2024 exceeded $800 million across all categories, and brain injury cases drove a disproportionate share of those numbers.

What makes TBI valuation uniquely challenging for attorneys is the invisible nature of the injury. Unlike a fracture visible on an X-ray, brain injuries often require neuropsychological testing, advanced imaging (fMRI, DTI), and expert testimony to establish both the existence and the extent of damage.

Settlement Ranges by Severity

TBI severity is classified using the Glasgow Coma Scale (GCS), measured at the time of injury. Each tier correlates with distinct settlement ranges based on verdict data:

Mild TBI / Concussion (GCS 13-15)

Post-Concussion Syndrome, Mild Cognitive Deficits

$100,000 - $850,000

Symptoms resolve within weeks to months for most patients, but a subset develops persistent post-concussion syndrome (PCS) with headaches, memory issues, and concentration difficulties. Cases with documented PCS lasting 12+ months and objective neuropsychological testing deficits command the upper end of this range. A Santa Monica jury awarded $3.335 million in 2025 for a contested mild TBI case against corporate defendants, showing that even "mild" injuries can produce significant verdicts when well-litigated.

Moderate TBI (GCS 9-12)

Extended Loss of Consciousness, Measurable Cognitive Deficits

$250,000 - $2,000,000

Loss of consciousness exceeds 30 minutes, and post-traumatic amnesia lasts 1-24 hours. Patients typically require extensive rehabilitation and face permanent challenges with memory, concentration, or physical abilities. Earnings capacity is often significantly reduced. The multiplier method typically applies a 3x-5x factor to economic damages for moderate TBI cases.

Severe TBI (GCS 3-8)

Coma, Permanent Disability, Lifetime Care Needs

$2,000,000 - $30,000,000+

Loss of consciousness exceeds 24 hours. Patients often remain in coma for days to weeks and frequently require 24-hour care for the remainder of their lives. Life care plans for severe TBI can project $5-15 million in future medical costs alone. A 2024 Oklahoma jury awarded $10 million in what may be the largest TBI verdict in state history. Lifetime care projections, vocational rehabilitation costs, and lost earning capacity drive these cases into the tens of millions.

Real TBI Verdicts and Settlements

The following are documented TBI verdicts and settlements from recent years. Every case cited below is sourced from verifiable court records, law firm case results, or legal databases.

CaseJurisdictionAmountYearDetails
Sisters v. Trucking Co.California$21,000,0002025Two sisters suffered TBI in a trucking collision. Severe brain injuries with permanent cognitive deficits.
Capps v. CorporationOklahoma$10,000,0002024Largest TBI verdict in Oklahoma history. Plaintiff suffered severe TBI requiring lifetime care.
Plaintiff v. NJ DefendantNew Jersey$6,000,0002025TBI settlement. Moderate-to-severe brain injury with extensive rehabilitation needs.
King County TBI CaseWashington$5,860,0002024Head-on collision caused TBI and coma. Plaintiff suffered fractured leg and multiple contusions.
Plaintiff v. Uber DriverNew York (Queens)$3,900,0002025Rear-end collision involving Uber. TBI with $137K past lost earnings and $845K future lost earnings.
Kramer v. Corp. DefendantsCalifornia (Santa Monica)$3,335,0002025Contested mild TBI case. Jury awarded despite defense challenge to injury severity.
San Diego TBI Defense WinCalifornia (San Diego)$3,000,0002025Plaintiff demanded $55M; jury awarded $3M. Defense victory, illustrating verdict variability.
Child TBI SettlementMulti-state$2,500,0002025Child suffered severe TBI in multi-vehicle accident. Settlement reached pre-trial.
These verdicts demonstrate the wide range of TBI outcomes, from $3M in a defense-favorable result (plaintiff demanded $55M) to $21M in a trucking case. Jurisdiction, injury severity documentation, and litigation strategy all significantly affect outcomes. Sources: Brain Injury Law Center, Kramer Trial Lawyers, Tyson & Mendes, Friedman Rubin PLLP, Frekhtman & Associates verdict analysis.

10 Factors That Drive TBI Case Value

1. Injury Severity (GCS Score)

The Glasgow Coma Scale score at injury is the single most impactful factor. GCS 3-8 (severe) cases command 10-30x the value of GCS 13-15 (mild) cases.

2. Objective Imaging Evidence

CT/MRI showing structural damage (hemorrhage, contusions, diffuse axonal injury) dramatically increases case value. DTI and fMRI can prove "invisible" injuries.

3. Neuropsychological Testing

Standardized cognitive testing documenting deficits in memory, processing speed, executive function. Pre- and post-injury comparison data is highly persuasive.

4. Lifetime Care Costs

Life care plans projecting $5-15M+ in future medical costs for severe TBI. Includes 24-hour care, rehabilitation, medications, home modifications, and adaptive equipment.

5. Lost Earning Capacity

Vocational rehabilitation experts can project lifetime earnings loss. Young, high-earning plaintiffs with severe TBI can show $2-5M+ in lost future income.

6. Liability Strength

Clear-cut liability (drunk driver, OSHA violation, product defect) allows attorneys to focus on damages. Disputed liability suppresses settlement values 30-50%.

7. Jurisdiction / Venue

Plaintiff-friendly jurisdictions (California, New York, New Jersey) produce significantly higher TBI awards than conservative venues (Texas, Mississippi).

8. Pre-Existing Conditions

Prior concussions or neurological conditions create "eggshell plaintiff" scenarios. The "thin skull" rule generally protects plaintiffs, but defense will exploit any pre-existing issues.

9. Insurance Coverage

Available policy limits cap recovery in many cases. Trucking ($1M+ minimums), rideshare ($1M Uber/Lyft), and commercial policies provide deeper pockets than personal auto ($25-100K).

10. Plaintiff Credibility

Jury sympathy and plaintiff likability matter. Inconsistent symptom reporting, social media activity contradicting claimed limitations, and malingering accusations erode value.

How TBI Settlements Are Calculated

The Multiplier Method

The most common approach for TBI cases. Total economic damages (medical bills, lost wages, future care costs) are multiplied by a factor reflecting injury severity:

Example: A moderate TBI with $200,000 in economic damages and a 4x multiplier yields an estimated value of $800,000.

The Per Diem Method

Assigns a daily dollar value to the plaintiff's pain and suffering, multiplied by the number of days the plaintiff has experienced (and will continue to experience) symptoms. For TBI cases with permanent symptoms, this method can produce very large non-economic damage figures.

Life Care Planning

For severe TBI, a certified life care planner projects all future medical and care needs. Components typically include:

A 30-year-old with severe TBI and 40+ years of projected care needs can easily generate a life care plan exceeding $10 million in present value.

Jurisdiction Impact on TBI Awards

Venue selection can change a TBI case value by 2-5x. Key jurisdiction factors include:

Plaintiff-Favorable States

Defense-Favorable States

The San Diego TBI case in 2025 illustrates jurisdiction impact: the plaintiff demanded $55 million but received only $3 million. In the same state, a Santa Monica jury awarded $3.335 million for a mild TBI. Same state, different county, different outcome. Venue matters.

Common Defense Strategies in TBI Cases

Challenging Injury Causation

Defense will argue that cognitive symptoms are caused by pre-existing conditions (depression, ADHD, prior concussions), substance abuse, aging, or malingering rather than the accident. Having pre-injury baseline cognitive data and post-injury objective testing is critical.

Disputing Severity

If the initial GCS score was 13-15 (mild), defense will argue the injury is a "simple concussion" that should have resolved within weeks. Persistent symptoms are attributed to secondary gain or psychological factors.

Surveillance and Social Media

Defense investigators monitor plaintiffs for activity inconsistent with claimed limitations. Social media posts showing physical activity, travel, or social engagement are used to undermine credibility.

Independent Medical Examinations

Defense-retained neurologists often minimize findings. Prepare for conflicting expert opinions by ensuring your neuropsychological testing protocol is robust and your imaging evidence is interpreted by credentialed neuroradiologists.

How to Maximize TBI Case Value

  1. Early neuropsychological baseline testing - Establish cognitive deficits with standardized, validated instruments as soon as medically feasible.
  2. Advanced imaging - Request DTI (Diffusion Tensor Imaging) and/or fMRI in addition to standard CT/MRI. These can reveal diffuse axonal injury invisible on conventional imaging.
  3. Life care planning - Retain a certified life care planner (CLCP) early for severe cases. Their projections form the foundation of economic damages.
  4. Vocational rehabilitation expert - Document lost earning capacity with a forensic economist and vocational expert, especially for young, high-earning plaintiffs.
  5. Treating physician testimony - The treating neurologist carries more weight than a hired expert. Ensure all treatment is thoroughly documented.
  6. Day-in-the-life video - For severe TBI, a professionally produced video showing the plaintiff's daily struggles is one of the most powerful tools for demonstrating damages to a jury.
  7. Pre-injury comparison evidence - Academic records, work performance reviews, and social activity before the injury paint a picture of what was lost.
  8. Venue analysis - When possible, file in jurisdictions with higher verdict averages for TBI cases. Harlan's jurisdiction module analyzes venue-specific multipliers.

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Why Use an AI-Powered TBI Calculator

Traditional settlement calculators use simple multiplier formulas that fail to account for the complex interplay of factors in TBI cases. Harlan's approach is fundamentally different:

The result is not a single number but a calibrated range with low, mid, and high estimates, plus settlement strategy targets (defensible floor, reasonable demand, policy-limit push).