Written by A broken leg is easy to prove. An X-ray shows the fracture, a cast shows the treatment, and nobody argues about whether the injury is real. A traumatic brain injury, especially a mild or moderate one, doesn’t work that way. It shows up as a normal CT scan, a client who “looks fine,” and an insurance adjuster who’s already decided the claim is exaggerated before your first phone call. Choosing the wrong lawyer for a head injury case doesn’t just risk a lower settlement, it risks the insurer successfully arguing the injury barely happened at all.
We’ve written separately about what traumatic brain injuries are, how they’re classified, and what they typically cost over a lifetime, and about the specific mechanisms that cause TBI in car accidents. This guide is about something neither of those covers: how to actually pick the attorney who’s going to prove your brain injury is real, serious, and worth what it’s actually going to cost you.
Why TBI Cases Are Uniquely Hard to Value
Every category of injury has its own valuation challenges. Brain injuries have a specific one that sets them apart from almost everything else in personal injury law: the injury itself is frequently invisible.
The Invisible Injury Problem
Standard CT scans, the imaging most people get in the emergency room after a car accident, detect bleeding and swelling. They frequently do not detect the microscopic axonal damage that causes mild and moderate TBI symptoms. A person can have a completely normal CT scan and still have a genuine, disabling brain injury. Insurance companies know this, and they exploit it. A normal scan becomes their go-to argument that “there’s no objective evidence of injury,” even when the client’s memory, concentration, and mood have been fundamentally altered.
A lawyer who doesn’t understand this dynamic will accept the normal CT scan as the end of the imaging conversation. A lawyer who does will push for MRI with diffusion tensor imaging, neuropsychological testing, and, where appropriate, referral to a neurologist who specializes in concussion and post-concussive syndrome. That difference alone can be the difference between a claim that gets dismissed as minor and one that’s taken seriously.
Insurer Skepticism About “Mild” TBI
The word “mild” in mild traumatic brain injury refers to the initial presentation, brief or no loss of consciousness, a Glasgow Coma Scale score in the normal range, not to how disabling the long-term effects can be. Insurance adjusters routinely treat the word “mild” as if it means “minor” or “temporary,” and use it to justify low settlement offers regardless of how the injury has actually affected the person’s life six months or a year later.
This is one of the most consequential misunderstandings in TBI claims, and it’s exactly the kind of thing a lawyer without brain injury experience may not know to fight. A concussion that resolves in two weeks is genuinely mild. Post-concussion syndrome that persists for eight months, causes ongoing headaches, cognitive fog, and an inability to return to a demanding job, is not mild in any meaningful sense, even though it started with the same initial diagnosis.
The Need for Neuropsychological Expert Testimony
Proving the extent of cognitive impairment from a brain injury usually requires a neuropsychologist to administer standardized testing and compare the results against the person’s estimated pre-injury baseline. This is a specialized field, and not every personal injury firm has working relationships with neuropsychologists who can produce credible reports and testify effectively if the case goes to litigation. A lawyer without this network either doesn’t request the testing at all, or scrambles to find an expert late in the case, which weakens the report’s credibility and the timeline for building the claim.
What to Ask About a Firm’s Cognitive-Impairment Damages Experience
A free consultation is where you learn whether a firm treats brain injuries as a specialty or as a variation on a routine claim. Here’s what separates the two.
“If my CT scan came back normal, does that change how you’ll handle my case?”
A strong answer explains that a normal CT scan does not rule out a real brain injury, and describes pursuing additional imaging and neuropsychological testing to document what a CT scan misses. A weak answer treats the normal scan as a reason for concern about the case’s viability.
“How do you document cognitive symptoms that don’t show up on a scan?”
Look for a specific answer involving neuropsychological testing, symptom journals, and testimony from family, friends, and coworkers who can describe changes in memory, mood, and functioning since the accident. A generic answer about “gathering medical records” isn’t enough for a TBI case specifically.
“Have you worked with neuropsychologists before, and can you name one?”
This is a direct test of whether the expert network exists before your case starts or would need to be built from scratch. A specific name, or a short list of experts the firm has used repeatedly, is the answer you want.
“How do you respond when an insurer argues my symptoms are from stress or a pre-existing condition?”
This is one of the most common insurer tactics in TBI cases. A lawyer with real experience should have a specific strategy, typically involving medical timeline documentation and expert testimony distinguishing accident-caused symptoms from unrelated conditions, rather than a vague assurance that they’ll “push back.”
“What’s your experience valuing lost earning capacity for someone who can technically still work but not at their prior level?”
Many TBI survivors return to some form of work but can no longer perform at their previous cognitive demands. Valuing that gap requires a vocational expert and often an economist. A lawyer without TBI-specific experience may not think to pursue this at all, focusing only on time missed from work rather than diminished capacity going forward.
Red Flags That a Firm Is Treating Your Brain Injury Like a Routine Soft-Tissue Claim
Some warning signs are worth naming directly. A firm that focuses the intake conversation almost entirely on your physical injuries, back pain, neck pain, and treats headaches or memory problems as an afterthought, is thinking in whiplash terms, not brain injury terms. A firm that doesn’t ask whether you’ve had any cognitive or emotional changes since the accident, irritability, difficulty concentrating, trouble finding words, is missing the injury that may matter most.
A firm eager to settle within the first few months, before post-concussive symptoms have had time to either resolve or reveal themselves as persistent, is prioritizing speed over accuracy. TBI symptoms frequently emerge or worsen in the weeks after an accident, sometimes days or weeks after the initial injury, which is exactly why settling too early is dangerous in these cases specifically.
None of these signs alone is disqualifying. Together, they suggest a firm approaching your case with the wrong framework entirely.
A Hypothetical: Two Clients, Same Concussion, Different Outcomes
The following is an illustrative example only, not an account of an actual client or case result.
Consider two rear-end collisions on Lake Shore Drive, both resulting in a driver hitting their head against the window and being diagnosed with a mild concussion in the emergency room. Both drivers have normal CT scans and are discharged the same day.
Client A hires a general practice firm that handles the case like a standard soft-tissue claim: physical therapy records, a chiropractic bill, and a demand letter sent at four months citing the normal CT scan and a short course of treatment. The insurer offers a modest settlement reflecting a minor injury, and the firm recommends accepting it, since the medical records don’t show much beyond an early diagnosis and a few follow-up visits.
Client B, dealing with the same initial diagnosis but persistent headaches, difficulty concentrating at work, and uncharacteristic irritability at home, hires a firm with TBI-specific experience. That firm arranges a neuropsychological evaluation at three months when symptoms haven’t resolved, documents the specific cognitive deficits the testing reveals, and gathers statements from Client B’s spouse and supervisor describing the changes they’ve observed. The resulting claim reflects an ongoing post-concussive injury with real vocational impact, not a diagnosis that quietly closed out on paper. Same starting point, same initial ER diagnosis, entirely different documentation of what actually happened afterward.
Why the First 90 Days Matter More in a Brain Injury Case
Most personal injury cases give you some flexibility in the early months. A brain injury case doesn’t offer that same margin, for reasons that are specific to how TBI symptoms actually behave.
Symptoms often don’t peak on day one. Someone involved in a crash may feel shaken but functional immediately afterward, then notice worsening headaches, sleep disruption, and difficulty concentrating over the following weeks as the initial adrenaline fades and daily cognitive demands resume. If a lawyer isn’t tracking this progression from the start, encouraging a symptom journal, coordinating follow-up neurological evaluation, connecting the client with appropriate specialists, that early trajectory gets lost. Months later, it becomes much harder to reconstruct exactly when symptoms appeared and how they evolved, and that timeline matters enormously when an insurer is looking for any excuse to argue the symptoms are unrelated to the accident.
There’s also a practical medical reason to move quickly. Early referral to a neurologist or concussion specialist, rather than relying solely on a single emergency room visit, gives a treating physician the opportunity to document the injury’s progression firsthand rather than reconstructing it later from records. A treating physician who has seen the patient across multiple visits over several months is a far more credible witness than one relying on a single ER note from the day of the accident.
This is why the choice of lawyer matters early, not just at settlement time. A firm with real TBI experience treats the first 90 days as the foundation for the entire case, coordinating medical follow-up, starting the symptom documentation process, and identifying whether neuropsychological testing will be needed well before there’s any discussion of settlement value. A firm without that experience may not engage meaningfully with the medical side of the case until much later, by which point some of that foundational documentation opportunity has already passed.
Common Mistakes When Choosing a Lawyer for a Brain Injury Case
Accepting a normal CT scan as proof there’s no real injury. Many genuine brain injuries never show up on standard imaging, and a lawyer who doesn’t push for further testing is leaving your strongest evidence undiscovered.
Settling before post-concussive symptoms have had time to reveal their full trajectory. Symptoms that seem mild at two weeks can persist for months. Settling early locks in a number based on incomplete information.
Not documenting behavioral and cognitive changes through people who know you. Family members, friends, and coworkers often notice changes the injured person doesn’t fully recognize in themselves. Their observations are valuable evidence.
Treating “mild TBI” as a minor claim by default. The severity label describes the initial presentation, not the long-term impact, and insurers rely on this confusion to justify low offers.
Skipping vocational and earning capacity analysis for someone who returned to work. Returning to a job doesn’t mean returning to full capacity, and that gap deserves its own evaluation.
Waiting too long to seek specialist follow-up beyond the ER visit. A single emergency room note rarely captures a brain injury’s full trajectory. Ongoing care with a neurologist or concussion specialist builds a much stronger medical record.
Not telling your lawyer about mood or personality changes because they feel embarrassing or unrelated. Irritability, anxiety, and depression following a brain injury are legitimate, compensable symptoms, not something to downplay out of self-consciousness.
Frequently Asked Questions
My CT scan was normal. Does that mean I don’t have a real case?
Not at all. Standard CT scans miss a large share of brain injuries, particularly concussions and mild to moderate TBI. MRI with diffusion tensor imaging and neuropsychological testing are more sensitive tools, and a lawyer experienced in these cases should pursue them rather than treat a normal CT scan as the final word.
How long should I wait before settling a brain injury claim?
Generally until your symptoms have either resolved or stabilized enough for a doctor to offer a reliable prognosis. Settling too early risks accepting a number based on symptoms that later turn out to be more persistent or disabling than they initially appeared.
What is neuropsychological testing and why does it matter for my case?
It’s a battery of standardized tests administered by a neuropsychologist that measures memory, attention, processing speed, and other cognitive functions, then compares your results against expected norms and your estimated pre-injury baseline. It’s often the strongest objective evidence available in a case where imaging looks normal.
Can I still have a claim if I’ve already returned to work?
Yes. Returning to work doesn’t mean you’ve returned to your prior level of function. If you’re working harder to accomplish the same tasks, taking more breaks, or performing at a reduced capacity, a vocational expert can help quantify that loss even though you’re technically employed.
How does 735 ILCS 5/2-1117 affect a brain injury claim with multiple defendants?
This Illinois statute governs joint and several liability. In cases where a defendant is found less than 25 percent at fault, they’re generally only liable for their proportionate share of non-medical damages, while defendants found 25 percent or more at fault can be liable for the full amount if other defendants can’t pay. In multi-vehicle crashes causing TBI, how fault gets apportioned among defendants can meaningfully affect what’s actually collectible.
What if the insurance company says my symptoms are from stress or anxiety, not the accident?
This is a common tactic. A lawyer experienced in TBI cases will work with your treating physicians and, where needed, retained experts to establish the medical timeline connecting your symptoms to the accident, distinguishing genuine post-concussive symptoms from unrelated causes.
Do I need a lawyer who exclusively handles brain injury cases?
Not necessarily exclusively, but you need substantial, specific experience with TBI cases, including access to neuropsychological experts and a track record of pushing back on “normal scan” arguments from insurers. General personal injury experience alone is often not sufficient for a case where the central dispute is whether the injury is real.
What if I didn’t lose consciousness at all? Can I still have a brain injury?
Yes. Loss of consciousness is not required for a concussion or mild TBI diagnosis. Confusion, disorientation immediately after the impact, a gap in memory around the event, or simply feeling “off” in the hours afterward can all be consistent with a genuine brain injury, and a doctor familiar with concussion presentation should be able to evaluate this regardless of whether you blacked out.
Get a Lawyer Who Takes Your Brain Injury Seriously
A brain injury case is won or lost on documentation the insurance company can’t dismiss: the right imaging, credible neuropsychological testimony, and a clear record of how your life has actually changed. That takes a lawyer who’s handled these cases before, not one learning the terrain on your file.
Phillips Law Offices has experience building traumatic brain injury cases with the medical and vocational evidence insurers can’t easily wave away. Call (312) 346-4262 or contact us online for a free consultation. You can also learn more about our firm’s brain injury practice at Phillips Law Offices.