Learned Hand Formula Definition
Liability exists when the burden of taking precautions is less than the probability of injury multiplied by resulting loss
Negligence Per Se Definition
Negligence per se is the violation of a statute. Applies when a statute supplies the duty and violation of the statute establishes breach
Negligence Per Se Elements
Negligence Per Se Excuse Rule
Statutory violation may be excused when compliance is impossible unforeseeable or not the defendant’s fault
Industry Custom Rule
Industry custom is persuasive but does not control the standard of care
Custom as Evidence
plaintiff to show breach through noncompliance or
defendant to show reasonableness through compliance
Personal Custom Rule
The reasonable-person standard does not adjust to an individual’s self-created custom
Res Ipsa Loquitur Definition
Res ipsa applies when the nature of the accident suggests it was probably due to negligence
Res Ipsa Elements
Recklessness as breach elements
A person acts with recklessness when
1. they know of the risk of serious harm and
2. the burden of eliminating the risk is so slight that failing to do so shows conscious disregard of safety
Most courts require that the risk involve a high probability of substantial harm