Also known as:seriously harm · seriously harmed · serious harms
Written by attorneys · grounded in primary & secondary sources — see below
A degree of bodily injury or property damage whose consequences are so grave or serious that they differ in kind, and not merely in degree, from lesser harms. A harm creating a substantial risk of fatal consequences or the permanent loss of function of an important member or organ qualifies as serious harm.
Sources & Authorities
How it applies
Common Examples
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Land Entry to Protect Nuclear Facility
During a wildfire, Park Utilities technicians cut a gate and drove across Delta Wind's solar farm to reach damaged transmission lines. The quicker route allowed them to restore power to a nuclear reactor and nearby homes before cooling systems failed. Delta Wind later sued for the damaged panels and irrigation lines.
Warrantless Entry After Visible Injury
Officers arrived at a home and saw blood on the porch plus signs of a struggle inside. They entered without a warrant after the occupant refused consent. Inside they found a resident who had been stabbed and required immediate medical care.
Select any source to read its text and confirm it supports the definition.
Cases
Federal Rules
Model Codes
Restatements
Study Supplements
A passerby smashed the window of a parked car to pull a child from the back seat during a heatwave. The child was unconscious from heatstroke. The car owner later sued the passerby for the broken window and related damage.
Employer Failure to Prevent Workplace Danger
A supervisor at Stonehaven Properties saw a scaffold begin to collapse while a worker was still on it. The supervisor did not order evacuation or call for help. The worker fell and suffered a spinal injury that left him permanently unable to walk.
Self-Defense Using Force Likely to Cause Grave Injury
Sierra Santos faced an attacker who lunged at her with a knife in a dark alley. She struck the attacker in the head with a heavy metal pipe, fracturing his skull. The attacker later sued Santos for battery, claiming the response exceeded necessary force.
Prison Medical Intervention to Avoid Harm
State officials sought to medicate an inmate against his will. An independent decisionmaker determined treatment was needed to protect the prisoner and others. The inmate later challenged the action as violating his liberty interest.
Dobbs v. Jackson Women’s Health Organization142 S. Ct. 2228 (2022)
Common questions
Frequently Asked
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What distinguishes serious bodily harm from ordinary bodily harm in self-defense cases?+
Serious bodily harm differs in kind rather than degree from lesser injuries. It includes harms creating a substantial risk of death, those constituting mayhem, or those causing permanent loss of function of an important organ or member.
Does the emergency aid exception require an actual threat of serious harm or only an objective appearance of one?+
The exception applies when circumstances viewed objectively would lead a reasonable officer to believe someone inside needs immediate aid or faces a threat of serious harm. Visible injury, blood, and disorder can satisfy the standard even if the occupant objects.
When does an employer become liable for failing to protect an employee from serious harm?+
Liability arises if a servant acting within the scope of employment faces imminent danger of serious harm known to the master or a management-level person, and the master fails to exercise reasonable care to avert the harm.
Can a person use force likely to cause serious harm in defense of property?+
Force likely to cause serious harm is generally not privileged solely to protect property. The privilege to use such force is limited to defense of the person or to prevent serious harm to persons under the necessity doctrines.
463 U.S. 277, 103 S. Ct. 3001, 77 L. Ed. 2d 637 (1983)Criminal Law
…as "nonviolent." At the very least, respondent's burglaries and his third-offense drunken driving posed real risk of serious harm to others. It is sheer fortuity that the places respondent burglarized were unoccupied and that he killed no pedestrians while behind the wheel. What would have happened if a guard had been…
TortsIntentional torts · Harms to the person and property interests (assault, battery, false imprisonment, infliction of mental distress, trespass to land and chattels, conversion)UBEFoundational