Catastrophic injuries are among the most complex and high-stakes personal injury cases in Massachusetts. These injuries cause long-term or permanent disability, require extensive medical treatment, and often prevent individuals from returning to the life they had before the accident. Because these cases involve substantial medical costs and lifetime care considerations, determining whether an injury is legally “catastrophic” is a critical step in pursuing full compensation.
This guide explains how catastrophic injuries are defined, how Massachusetts law treats them, what medical and legal criteria must be met, and how victims and families can protect their rights.
In Massachusetts, there is no single statutory definition of a catastrophic injury. Instead, the classification is based on the severity, permanence, and long-term consequences of the harm.
An injury is generally considered catastrophic when:
These injuries frequently affect the brain, spinal cord, central nervous system, or critical bodily functions. The medical and legal implications extend far beyond a typical personal injury claim.
Below are the most commonly recognized categories of catastrophic injuries in Massachusetts:
TBIs range from concussion-level trauma to severe, permanent brain damage. Moderate and severe TBIs often result in:
Damage to the spinal cord can cause:
Paralysis may occur as:
These conditions require intensive medical care, mobility equipment, and long-term home modifications.
Third- and fourth-degree burns often require:
The loss of a limb permanently alters a person’s mobility, independence, and ability to work. This injury often requires prosthetics, occupational therapy, and home modifications.
Accidental blindness or deafness resulting from trauma is considered catastrophic due to permanent sensory loss.
These include:
Each of these injuries can independently qualify as catastrophic depending on severity and impact.
Medical professionals play a critical role in determining whether harm rises to the level of “catastrophic.” Common criteria include:
Does the injury cause lasting or irreversible damage?
Does the injury limit the person’s mobility, motor skills, cognition, or independence?
Examples include:
Catastrophic injuries often involve:
Medical assessments may include:

Catastrophic injuries most frequently result from high-impact or high-risk accidents, including:
Because these accidents often involve significant force, victims may suffer multi-system trauma requiring emergency intervention.
Understanding Massachusetts legal standards is essential when determining whether to pursue a catastrophic injury claim.
Massachusetts follows the 51 percent comparative negligence rule.
An injured person may recover compensation as long as they are not more than 50 percent at fault. If they are 51 percent or more responsible, they cannot recover damages. For catastrophic injuries, proving negligence clearly and early is crucial because the financial stakes are so high.
In most Massachusetts personal injury cases, victims have three years from the date of the accident to file a claim. Failure to file in time may prevent any recovery.
Catastrophic injury cases typically involve significantly higher financial losses than standard personal injury claims. Compensation may include:
Catastrophic injury victims often face:
Total lifetime care costs can easily reach hundreds of thousands or millions of dollars, depending on the extent of the injuries.
A successful catastrophic injury claim in Massachusetts typically requires:
Experts may include:
Life-care planners evaluate:
Economists calculate:
This is where Kiley Law Group’s experience is most valuable. Building a catastrophic injury case requires coordination, resources, and legal knowledge that most victims and families cannot manage alone.
Your injury may qualify as catastrophic if you experience:
Anyone experiencing one or more of these should speak with an attorney immediately.
Any injury that causes long-term or permanent disability, requires extensive medical care, or significantly reduces a person’s ability to work or care for themselves may be classified as catastrophic.
Many do. Spinal cord injuries, severe brain injuries, burns, and amputations often necessitate long-term treatment, ongoing rehabilitation, and assistive devices.
Yes, as long as you are not more than 50 percent responsible for the accident under Massachusetts’ comparative negligence rules.
Medical records, imaging studies, specialist evaluations, life-care plans, and testimony from medical and economic experts.
Because these cases involve medical complexities and substantial damages, they often take longer than standard injury claims.
Catastrophic injuries have lifelong consequences. If you or a loved one has suffered a catastrophic injury due to another party’s negligence, the legal team at Kiley Law Group is prepared to help you pursue the compensation needed for long-term medical care, lost income, and a more secure future.
With more than 50 years of experience, our firm has handled some of the most complex injury cases in Massachusetts and New Hampshire.
Contact us today for a free consultation. No fees unless we win.

