Traumatic brain injury (TBI) claims in Hawaii: case value, filing deadline, settlement framework.
Hawaii applies a 2-year filing deadline (Haw. Rev. Stat. § 657-7) and the modified comparative fault (51% bar) fault rule. Typical traumatic brain injury (tbi) settlement range: $50,000 to $5,000,000+ depending on severity, permanence, and life-care plan.
Traumatic brain injury (TBI) cases in Hawaii: the framework
A traumatic brain injury (tbi) claim in Hawaii sits at the intersection of two bodies of law: the medical-evidence rules that govern traumatic brain injury (tbi) diagnosis and causation, and the Hawaii-specific procedural rules that govern when the case can be filed, who can be sued, and how damages are calculated. Both bodies of law have to be navigated to convert the underlying injury into a recovery.
On the medical side, traumatic brain injury (tbi) (concussion, post-concussive syndrome, mild traumatic brain injury, mTBI) is typically treated through neurological evaluation, neuropsychological testing, cognitive rehabilitation. mild tbi may resolve in 3 to 12 months; moderate to severe tbi can produce permanent cognitive, emotional, and physical impairment. On the legal side, Hawaii applies the modified comparative fault (51% bar) rule and a 2-year filing deadline. The combination of these two frameworks drives the case-value range and the procedural timeline for any specific case.
Hawaii filing deadline for traumatic brain injury (tbi) cases
Under Haw. Rev. Stat. § 657-7, Hawaii requires traumatic brain injury (tbi) cases to be filed within 2 years of the date of injury. The clock starts on the date the injury accrued, with limited exceptions for minors (tolled until age of majority), mental incapacity, and (in some circumstances) the discovery rule for injuries that could not reasonably have been discovered at the time.
For traumatic brain injury (tbi) specifically, the discovery rule can matter when symptoms develop or worsen after the initial incident. Serious injuries often produce symptoms immediately, but late-developing complications can extend the documented treatment timeline; the SOL clock starts on the incident date in nearly all cases.
For comparison, the medical-malpractice SOL in Hawaii is 2 years and the wrongful-death SOL is 2 years from death. Each follows its own accrual rules.
Comparative-fault rule applied to traumatic brain injury (tbi) cases
Beating the SOL is necessary but not sufficient. A Hawaii jury will also be asked to apportion fault , and the result determines how much of your damages you actually recover.
Hawaii applies modified comparative fault (51% bar). Hawaii uses modified comparative fault with a 51% bar: plaintiff can recover only if less than 51% at fault. For traumatic brain injury (tbi) cases, the comparative-fault analysis typically focuses on the moments leading up to the underlying incident: whether the plaintiff contributed to the conditions that produced the injury, whether seat-belt or other safety equipment was used, and (in slip-and-fall and similar cases) whether the plaintiff was reasonably attentive to the surroundings.
Traumatic brain injury (TBI) medical evidence required in Hawaii
Neurological evaluation, neuropsychological testing, cognitive rehabilitation. Mild TBI may resolve in 3 to 12 months; moderate to severe TBI can produce permanent cognitive, emotional, and physical impairment.
For Hawaii courts, traumatic brain injury (tbi) cases require certain core categories of medical evidence: imaging or diagnostic testing tied to the incident date, a treating physician's causation opinion, treatment continuity records, and (for permanent-impairment cases) a functional-capacity evaluation. Each of these addresses a specific defense argument and supports a specific category of damages.
Red flags that reduce traumatic brain injury (tbi) case value in Hawaii
Loss of consciousness is no longer required for diagnosis; defense will argue malingering or pre-existing condition; documentation of pre-injury baseline (school records, work performance) strengthens the case.
Evidence preservation in Hawaii traumatic brain injury (tbi) cases
In Hawaii, the evidentiary burden in a contested personal-injury case is borne by the plaintiff. That practical reality drives the procedural strategy: secure medical records via written authorizations on day one, preserve physical evidence with chain-of-custody documentation, depose witnesses while memories are fresh, and use the formal discovery tools (interrogatories, requests for production, depositions) aggressively. Defendants in Hawaii routinely file motions for summary judgment based on evidentiary gaps; the plaintiff who has built a complete record from the start is the one who survives those motions.
Settlement timeline for Hawaii traumatic brain injury (tbi) cases
The settlement timeline in Hawaii is driven by three factors: treatment duration, liability strength, and the at-fault carrier's historical practice. State Farm and Allstate cases in Hawaii routinely settle 30-60 days after a demand package is submitted; GEICO and Progressive cases often take longer because of their reserve-setting protocols. Cases involving Berkshire-owned carriers (GEICO) or self-insured fleet defendants typically require litigation filing to break the settlement deadlock.
Expert testimony in Hawaii traumatic brain injury (tbi) cases
Personal-injury experts in Hawaii typically charge between $400 and $1,200 per hour, with the higher end reserved for board-certified specialists with extensive prior testimony. A typical case with two medical experts, one economist, and one accident reconstructionist will accumulate $25,000 to $75,000 in expert fees over the life of the case. These costs are usually advanced by the law firm and recouped from the eventual settlement or verdict.
Claim process specific to Hawaii
The standard Hawaii claim process treats the at-fault carrier as the first source of recovery. If that policy is inadequate, secondary sources include the plaintiff's own UM/UIM coverage, any applicable umbrella policies, and (in third-party-defendant cases) the assets of co-defendants. Each tier requires separate notice, separate documentation, and separate negotiation strategy. Missing a notice deadline on any tier can extinguish that source of recovery entirely.
Mistakes that reduce Hawaii traumatic brain injury (tbi) case value
The most common mistakes Hawaii injury plaintiffs make are: (1) giving a recorded statement to the at-fault carrier without counsel, (2) signing medical authorizations that are broader than the case requires, (3) settling the property-damage claim and not realizing it can affect the bodily-injury claim, (4) waiting too long to seek treatment (creating "gap-in-treatment" arguments for the defense), and (5) posting about the incident or their injuries on social media. Each of these can substantially reduce settlement value.
Insurance considerations for traumatic brain injury (tbi) cases in Hawaii
Hawaii requires minimum liability coverage of 20/40/10 (Haw. Rev. Stat. § 431:10C-301). UM coverage is optional in Hawaii but most policies include it at the 20/40 level. PIP coverage is mandatory at $10,000.
For traumatic brain injury (tbi) cases involving substantial medical bills (which is common with moderate to severe injuries), the at-fault driver's liability policy is often exhausted before damages are fully covered. UM/UIM coverage on the injured party's own policy becomes the operative source of recovery, which is why verifying available coverage on every potential policy source is the first procedural task in any moderate-to-serious case.
Frequently asked questions: Traumatic brain injury (TBI) in Hawaii
How long do I have to file a traumatic brain injury (tbi) lawsuit in Hawaii?
2 years from the date of injury under Haw. Rev. Stat. § 657-7. Shorter notice deadlines apply for government defendants.
What is the typical settlement range for traumatic brain injury (tbi) in Hawaii?
Typical range: $50,000 to $5,000,000+ depending on severity, permanence, and life-care plan. Hawaii-specific values depend on the comparative-fault allocation, the strength of medical evidence, and the at-fault carrier's claim-handling pattern.
Will my comparative fault reduce my traumatic brain injury (tbi) recovery?
Hawaii uses modified comparative fault with a 51% bar: plaintiff can recover only if less than 51% at fault. Your recovery is reduced proportionally to your fault percentage.
What medical evidence is needed for traumatic brain injury (tbi) in Hawaii?
Neurological evaluation, neuropsychological testing, cognitive rehabilitation. Hawaii courts also require a causation opinion from the treating physician and treatment continuity through maximum medical improvement.
Are there damage caps on traumatic brain injury (tbi) cases in Hawaii?
Hawaii caps non-economic damages in medical-malpractice cases at $375,000. Authority: Haw. Rev. Stat. § 663-8.7.
Related Hawaii resources
Traumatic brain injury (TBI) in nearby states
Other injury types in Hawaii
Sources
- Hawaii personal-injury statute: Haw. Rev. Stat. § 657-7.
- Comparative-fault rule: Haw. Rev. Stat. § 663-31.
- Auto-insurance framework: Haw. Rev. Stat. § 431:10C-301.
- Traumatic brain injury (TBI) medical classification: ICD-10 S06.
- Settlement data: CourtListener PACER archive + Insurance Information Institute claims aggregates.
Last verified on 2026-05-16.