A 32-year-old driver gets T-boned at an intersection in Plantation. He walks away from the scene. No ambulance. Three days later, he can’t remember his phone number and his wife notices he’s slurring words. An MRI shows a traumatic brain injury. By the time he retains an attorney, he’s already missed the 14-day PIP window and given a recorded statement to the other driver’s insurance company saying he felt “totally fine” after the crash.
Brain injury cases are some of the most defensible claims in personal injury law — not because the injuries aren’t real, but because the symptoms often show up late and insurance adjusters know how to exploit that delay.
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How Long Do You Have to File a Brain Injury Claim in Florida?
Two years from the date of the accident if it happened after March 24, 2023. Florida Statute §95.11(4)(a) is absolute. File on day 731 and the courthouse won’t even accept the complaint. The old four-year statute of limitations is gone, wiped out by House Bill 837.
There are narrow exceptions. If the victim is in a coma or legally incapacitated, Florida Statute §95.051 pauses the clock until they regain capacity or a guardian is appointed through probate court. But “I didn’t realize I had a brain injury” does not toll the statute. Neither does “my symptoms got worse over time.” The two-year deadline starts the day of the incident, not the day you figure out something is wrong.
Government defendants get even shorter notice windows. If a county bus caused the crash or a city-maintained pothole contributed to a fall, you typically have three years to file but only 180 days to provide written notice of the claim to the government entity. Miss that notice deadline and the case is over before it starts.
What If You Were Partially at Fault?
Florida’s comparative negligence law changed in 2023 and it gutted a lot of brain injury claims. Under the old rule, you could be 90% responsible for an accident and still recover 10% of your damages. Now, if you’re found more than 50% at fault, you get nothing.
Say a motorcyclist without a helmet gets hit by a driver who ran a red light. The brain injury is catastrophic. But the defense argues the rider’s choice not to wear a helmet caused or worsened the TBI. If a jury assigns 51% fault to the motorcyclist, the claim is barred under Florida Statute §768.81. If the jury assigns 40% fault, a $1 million verdict gets reduced to $600,000.
Defense attorneys in South Florida are already using this aggressively. They comb through medical records looking for anything that suggests delayed treatment, pre-existing conditions, or risky behavior by the victim. A two-day gap between the accident and the first doctor visit becomes “failure to mitigate damages.” A history of migraines becomes “this isn’t a new injury.” The burden is on the plaintiff to prove the defendant’s negligence was the primary cause.
How Florida’s No-Fault System Affects Brain Injury Cases
Florida Statute §627.736 requires every driver to carry at least $10,000 in Personal Injury Protection coverage. PIP pays 80% of medical bills and 60% of lost wages up to that $10,000 cap, regardless of who caused the accident. It’s supposed to speed up compensation and keep minor cases out of court.
For brain injuries, PIP is almost always inadequate. A single MRI can cost $3,000. Neuropsychological testing runs another $2,000 to $5,000. If the victim needs inpatient rehab or ongoing cognitive therapy, that $10,000 evaporates in weeks. And PIP doesn’t cover non-economic damages at all — no compensation for pain, memory loss, personality changes, or loss of enjoyment of life.
To sue the at-fault driver outside the no-fault system, you have to meet the serious injury threshold under Florida Statute §627.737. Traumatic brain injuries almost always qualify because they often involve permanent loss of bodily function. The problem is proving it. Insurance companies will argue the injury resolved, that it was mild, that the victim returned to work so it couldn’t have been that serious. You need objective medical evidence — imaging, cognitive testing, expert testimony — not just the victim’s word.
What Evidence Actually Proves a Brain Injury Claim?
Jurors are skeptical of invisible injuries. A broken leg shows up on an X-ray. A brain injury might not show up on a CT scan at all, especially if it’s a diffuse axonal injury or mild TBI. That’s why these cases live or die on medical documentation and expert testimony.
The strongest cases have immediate post-accident medical records that document neurological symptoms — confusion, nausea, sensitivity to light, balance problems. If the victim walked away from the scene and didn’t see a doctor for a week, the defense will argue the injury never happened or happened somewhere else. Emergency room records, ambulance reports, and witness statements from the scene carry more weight than anything the victim says months later.
Neuropsychological testing is critical. These are standardized cognitive assessments that measure memory, attention, processing speed, and executive function. If the victim scores in the impaired range and a neuropsychologist testifies that the deficits are consistent with TBI, that’s harder to dismiss than subjective complaints about headaches.
Economic damages are the easier part — past and future medical bills, lost wages, diminished earning capacity. Non-economic damages are where the real value is in brain injury cases, but they’re also the hardest to quantify. How do you put a dollar figure on the fact that a 40-year-old can no longer read to his kids because he can’t focus for more than five minutes? That’s what expert testimony and day-in-the-life videos are for.
Why Insurance Companies Fight Brain Injury Claims Harder Than Other Cases
Traumatic brain injuries are expensive. Lifetime care for a severe TBI can run into the millions. Insurers know that if they pay policy limits early, their exposure ends. So they delay, they lowball, and they force plaintiffs into litigation hoping they’ll settle for less out of desperation.
One common tactic is the independent medical examination. The insurance company sends the victim to a doctor of their choosing — usually someone who testifies for insurers regularly — and that doctor writes a report saying the injury is mild, pre-existing, or unrelated to the accident. It’s not actually independent. It’s a paid defense opinion. But it gives the adjuster cover to deny the claim or make an insultingly low offer.
Another tactic is surveillance. If the victim posts a vacation photo on social media or gets filmed mowing the lawn, the defense will use that to argue the injury isn’t disabling. It doesn’t matter that the victim had to rest for three days after mowing or that the vacation was planned a year in advance. The video exists and it will be shown to a jury.
These cases require attorneys who know how to counter that playbook. You need your own experts. You need to prepare the victim for deposition so they don’t downplay their symptoms or contradict their medical records. You need to be ready to take the case to trial because insurers only pay fair value when they believe you’ll actually walk into a courtroom.
What Happens If the Victim Is a Minor or Legally Incapacitated?
If a child under 18 suffers a brain injury, the statute of limitations doesn’t start running until they turn 18. They then have two years from their 18th birthday to file. But there’s a separate issue — settling a minor’s claim requires court approval under Florida law. The settlement funds typically go into a restricted account until the child turns 18, and the court has to find the settlement is in the child’s best interest.
For adults who are incapacitated due to the brain injury itself, Florida Statute §95.051 tolls the statute of limitations. But someone has to petition the probate court to have a guardian appointed. Until that happens, the clock keeps running. Families sometimes don’t realize they need to take that step, and by the time they do, the statute has already expired.
Guardianship proceedings take time. You’re looking at a minimum of 60 to 90 days if everything goes smoothly. If there’s a dispute over who should be appointed guardian, it can drag on for months. Meanwhile, evidence is disappearing. Witnesses forget details. Surveillance footage gets deleted. Waiting to file the lawsuit until after the guardianship is finalized can cost the case.
When a Brain Injury Happens on Someone Else’s Property
Slip-and-fall cases resulting in brain injuries are harder to win than car accident cases. Florida Statute §768.0755 requires the plaintiff to prove the property owner had actual or constructive knowledge of the dangerous condition and should have taken action to remedy it. “Constructive knowledge” means the condition existed long enough that the owner should have known about it in the exercise of reasonable care.
Say someone slips on a wet floor at a Publix in Coral Springs and hits their head on the tile. If there’s no wet floor sign and no evidence the spill was reported, Publix will argue they didn’t know about it. If the spill happened 30 seconds before the fall, that’s probably not enough time for constructive knowledge. If it happened 30 minutes before and other customers walked past it, that’s a different case.
The other problem with premises liability brain injuries is comparative negligence. Were you looking at your phone? Were you wearing inappropriate shoes? Were you in an area marked “employees only”? The defense will argue you weren’t paying attention and that’s why you fell, not because the property was unsafe.
Document everything immediately. Photograph the scene. Get the incident report. Get the names of witnesses. If the store has surveillance footage, demand it be preserved in writing within 24 hours. Most stores only keep footage for 30 to 90 days before it’s automatically deleted.
Medical Malpractice Brain Injuries
Birth injuries, surgical errors, anesthesia mistakes, and delayed diagnosis of stroke or infection can all cause traumatic or hypoxic brain injuries. These cases are governed by Florida’s medical malpractice statute, which has different procedural requirements than standard negligence claims.
Before you can even file a lawsuit, you have to conduct a pre-suit investigation under Florida Statute §766.106. That means obtaining all relevant medical records, having them reviewed by a qualified medical expert in the same specialty as the defendant, and obtaining a verified written opinion that there’s a reasonable basis to believe malpractice occurred. You also have to notify the healthcare provider and give them 90 days to investigate before filing.
The statute of limitations for medical malpractice is two years from the date the injury was discovered or should have been discovered, but no more than four years from the date of the incident (with exceptions for fraud or intentional concealment). For brain injuries caused during birth, the child has until their eighth birthday to file.
Medical malpractice cases are expensive to litigate. You need expert witnesses for standard of care and causation. You’re going up against hospital systems with in-house legal teams and significant resources. Many personal injury attorneys won’t take these cases because the upfront costs can run $50,000 to $100,000 before trial.
What If the At-Fault Driver Doesn’t Have Enough Insurance?
Florida only requires drivers to carry $10,000 in PIP coverage. There’s no mandatory bodily injury liability coverage unless you’ve been convicted of certain offenses. That means a lot of drivers on I-95 and the Turnpike are either uninsured or underinsured relative to the damage they can cause.
If the at-fault driver has a $25,000 policy and your brain injury claim is worth $500,000, that $25,000 is all you’re getting from them unless they have significant personal assets. Most don’t. You can get a judgment, but collecting on it is a different problem.
That’s where uninsured/underinsured motorist coverage (UM/UIM) comes in. If you have UM/UIM coverage on your own policy, it pays the difference between what the at-fault driver’s insurance pays and your actual damages, up to your policy limits. A $100,000 UM policy can turn a $25,000 case into a $100,000 case.
The problem is most people don’t know they have UM coverage or don’t know how it works. And insurance companies don’t go out of their way to explain it. You’re essentially making a claim against your own insurer, and they’ll fight it just as hard as if you were a third party. You may end up in arbitration or litigation with the company you’ve been paying premiums to for years.
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You Don’t Get a Second Chance at the Statute of Limitations
Brain injuries are different from other personal injury cases because the full extent of the damage often doesn’t show up for months or even years. Cognitive deficits, mood changes, and seizures can develop long after the accident. But the law doesn’t care. The two-year clock starts ticking the day of the incident, not the day you realize how bad it is.
Waiting to see if you get better is a gamble that can cost you the entire claim. Once the statute of limitations expires, it doesn’t matter how strong your case is or how catastrophic the injury. The courthouse doors are closed.
If you or someone in your family has suffered a head injury in an accident anywhere in South Florida, get the medical imaging and cognitive testing done now. And talk to an attorney before the insurance company talks to you. What you say in that first phone call can be used to deny your claim two years later when the symptoms are undeniable.
