What Is My Brain Injury Case Worth?

Legal Guides · Updated October 2026

What is a traumatic brain injury case worth in California? No honest lawyer can give a number without reviewing the evidence, but the factors that drive value are well known. Here is what matters, and why insurers often undervalue these claims.

On this page: Severity · Medical evidence · Economic damages · Non-economic damages · Liability and insurance · Mistakes to avoid · FAQ

People with brain injuries and their families often ask what their case is worth. There is no formula, and anyone who quotes a number before reviewing the medical evidence is guessing. But the factors that drive the value of a traumatic brain injury (TBI) case are well understood. This guide explains them, so you know what evidence matters and why insurance companies so often undervalue these claims.

1. The Severity and Permanence of the Injury

Brain injuries are commonly classified as mild, moderate or severe, based on factors such as loss of consciousness, the Glasgow Coma Scale score, post-traumatic amnesia and imaging findings. But the label can be misleading. Many people with a “mild” TBI, including concussions, have lasting problems with memory, concentration, headaches, mood, sleep and sensitivity to light and noise. The key question is how the injury affects your life over the long term, and whether the effects are permanent.

2. Medical Evidence

• Imaging: CT scans often look normal in mild and moderate TBI. MRI, including specialized sequences, may reveal damage that CT misses.
• Neuropsychological testing: standardized testing that measures memory, attention, processing speed and executive function, and documents changes from your pre-injury abilities.
• Treating specialists: neurologists, neuropsychologists, physiatrists and therapists whose records describe symptoms and progress over time.
• Before-and-after witnesses: family members, coworkers and friends who can describe how you have changed.

Insurance companies frequently argue that symptoms are exaggerated or caused by something else. Consistent treatment and thorough documentation are the best response.

3. Economic Damages

• Past and future medical care: hospital care, rehabilitation, therapy, medications and future treatment. A life care planner can project lifetime needs for serious injuries.
• Lost income and earning capacity: a brain injury can end or limit a career even when the person appears physically recovered. Vocational experts and economists calculate the lifetime loss.
• Household services and care: help with daily activities, supervision and support provided by others.

In California, recovery of past medical expenses is generally limited to the amounts actually paid or incurred, rather than the full billed amount, with exceptions for uninsured people treated on a lien basis. These rules affect how medical damages are presented.

4. Non-Economic Damages

Pain, suffering, emotional distress, loss of enjoyment of life and changes in personality and relationships are often the largest part of a brain injury case. In a California injury case that does not involve medical malpractice, there is no cap on these damages. A spouse may also have a claim for loss of consortium.

5. Liability and Insurance

Value also depends on how clearly the other party was at fault, whether you share any fault under California’s comparative fault rules, and how much insurance is available. Serious brain injury cases often involve searching for every source of coverage, including commercial policies, employers of at-fault drivers, umbrella policies and your own underinsured motorist coverage. Claims against trucking companies or other businesses typically involve more insurance than claims against individual drivers.

Common Mistakes That Reduce Value

• Gaps in treatment or stopping treatment too early.
• Settling before the long-term effects are known.
• Giving recorded statements that downplay symptoms.
• Social media posts that insurers use out of context.

How We Help

We work with neurologists, neuropsychologists, life care planners and economists to document the full impact of a brain injury and present it clearly to insurers and juries. See our main brain injury lawyer page. Consultations are free, and we handle brain injury cases on contingency.

Frequently Asked Questions

What is the average settlement for a traumatic brain injury in California?

There is no meaningful average. Values range widely depending on severity, permanence, medical evidence, lost earning capacity, liability and available insurance. A lawyer can estimate value only after reviewing the evidence.

Can a mild TBI or concussion case be worth a lot?

It can, if symptoms are persistent and well documented. Many people with mild TBIs have long-term cognitive and emotional effects that significantly affect work and daily life.

Is there a cap on brain injury damages in California?

In injury cases that do not involve medical malpractice, California does not cap pain and suffering damages.

Why do insurers undervalue brain injury claims?

Brain injuries often do not show up on standard scans, and symptoms can be invisible to others. Insurers frequently argue the effects are exaggerated or unrelated. Thorough testing and documentation counter these arguments.

Should I settle quickly after a brain injury?

Usually not. It is important to understand the long-term effects before settling, because a settlement is final.

How long do I have to file a brain injury claim?

Generally two years from the date of injury in California, and six months for a government claim.

This guide provides general information about California and federal law as of October 2026. It is not legal advice, and reading it does not create an attorney-client relationship. Every situation depends on its facts, so speak with a lawyer about yours.