Duty Reasonable Prudent Person
whether or not the defendant failed to exercise the standard of care expected of a reasonably prudent person under the circumstances required for the protection of harm against others.
Sub rule Duty 0: Constructive knowledge
Though D has no actual knowledge, instead of proving actual subjective knowledge, we’ll infer knowledge, where a party reasonably should have known the danger. (~= Hand formula gives driver a duty)
Ex. [Tire worn out to thread]
Duty Reasonably Prudent child Sub rule 1: For minor
What would a reasonably prudent child of the same“age”,experience, intelligence, and education do, under the circumstances?
Exception: If the child is engaged in inherently dangerous activity, the child is held to an adult standard of care
Ex. [golf club in yard]:
Ex. [Teen snowmobile]:
Duty RPP Sub rule 2: For time
What would a reasonable person (50years ago, as a watermain installer), would have done under the circumstances
Burden/cost of precautions necessary to prevent injury to P, must be evaluated as of time injury occurred. [Wooden Guardrail]
Sub rule 3: Duty for driver / controller of dangerous mentality
1.A driver owes a duty of care to passengers and public to protect against foreseeable injuries due to operation or inattention of vehicle.
2.A driver owes a duty of reasonable external inspection of the vehicle.
3.Except latent defect, that RPP couldn’t identify
When D fails to act to protect another from a dangerous instrumentality within the exclusive control and possession of that primary defendant, they can be held liable for failure to act.
4.Once a defendant driver has notice dangerous situation could reoccur threatening harm to passenger or public(pedestrian), D has duty to exercise reasonable care to prevent such harm.
Ex. [Middle passenger grabbed wheel twice][CLASS 11 SLIDE 5]
Sub rule RPP 4: Duty for less skilled/intelligent
What D subjectively/ honestly believed is not the standard. Objective Standard applies it will not be lowered. [Hay on fire] Same standard
Sub rule 4.1: Duty for people with Superior Knowledge/Skill
We raise the bar for people with superior knowledge and skill that:
What would a reasonable prudent person with that superior knowledge would have done under the situation
Ex. If driving when seeing children playing on the road, the person has superior knowledge that this area will have.
Sub rule 5: Duty created by evidence of Custom
Evidence of custom, industry practice, and/or usage may be used as evidence of what a reasonably prudent person would do under the circumstances.
But custom or usage is not conclusive, as a jury may still find RPP standard requires more or less than custom/usage.
Ex. [Shattering shower glass]:
Duty Sub rule 6: Sudden emergency doctrine
Physical: The standard of care applicable to a person facing a sudden emergency (i.e., not of their own making / not reasonably foreseeable) is that of a RPP in the same or similar emergency
Mental: No advance warning, see above.
If advance warning, then this don’t apply. GO back listen.
Ex. [Carjack shakespeare]
Ex. [flying car batman delusion]
Sub rule 8: Mental disability
Majority of jurisdictions do NOT modify RPP standard on “insanity” / mental health grounds
minority rule that evidence of advance warning or knowledge of “insanity” / mental health issue might lead a RPP to believe it might affect their driving is relevant and may present issue of fact for jury;
N2. Duty for professionals
Standard of care is the reasonable skill and learning of an ordinary professional under the same or similar circumstances. Professionals are held to a minimum competence standard applicable to all such professionals, that profession in good standing. Exceptions include clergy and teachers.
Duty Reasonably Prudent Professional Sub rule 1: Mistakes that are allowed.
If a professional’s mistake would have been made by a reasonably prudent professional under the circumstances, then they are not liable for malpractice. Lawyers use a statewide standard, instead of a national standard. Perfect judgment is not required. Attorneys do not commit malpractice for mere mistakes on points of law not settled by high courts, and/or where reasonable doubt exists among competent lawyers.
Reasonably prudent Professional Sub rule 2: Expert testimony
1.Expert testimony is required to prove a professional departed from the applicable standard of care.
2. Proof of medical malpractice generally requires expert testimony, except if an ordinary layperson/juror could decide based on common knowledge (e.g., leaving something in a patient).
Breach
Is when the defendant’s conduct foreseeably risks some type of harm to someone such that the conduct should have been avoided or precautions should have been taken. Common sense, balancing, custom, negligence per se, and res ipsa. For economic issues, the formula which provides that a breach occurs when The likelihood of resulting harm x severity of harm that may ensue > burden/cost of precautions necessary to prevent or reduce risk of injury.
Breach
A person acts negligently if the person does not exercise reasonable care under all the circumstances. Primary factors to consider in asserting whether the person’s conduct lacks reasonable care are the foreseeable likelihood that the person’s conduct will result in harm, the foreseeable severity of any harm that may ensue, and the burden of precautions to eliminate or reduce the risk of harm.
Risk resonable or unreasonable
Whether risk is reasonable or unreasonable, therefore = breach, depends on circumstances and the factors of the premise.
Negligence Per Se
Negligence per se (NPS) is a doctrine that allows substitution of an actor’s violation of a statute, regulation, or ordinance (S/R/O) for the common law reasonably prudent person (RPP) standard for duty of care AND proof of breach where:
(1) the actor charged with NPS violates S/R/O;
(2) S/R/O was intended to protect against the type of injury / harm the victim suffered;
(3) victim is a member of the class of persons S/R/O was intended to protect; AND
(4) actor charged with NPS has no legally recognized “excuse” for S/R/O’s violation.
Effect if NPS is Met:
S/R/O’s standard substituted for RPP duty standard and S/R/O’s violation satisfies element of breach. But the party invoking NPS still MUST prove S/R/O’s violation was factual and proximate cause of victim’s injury.
Ex: Osborne (causation met where D pharmacy violated Minnesota poison-labeling statute and P died drinking poison from D’s unlabeled bottle)
Elements of NPS
Violation
The act(s) or omission(s) of the actor charged with NPS violates provision(s) of an S/R/O;
TYPE OF INJURY / HARM
The S/R/O provision(s) were intended to protect against the type of injury / harm / hazard the victim suffered as a result of the actor’s S/R/O violation;
Ex Ex: Osborne (Minnesota poison-labeling statute intended to protect pharmacy customers from injury or death upon drinking poison from unlabeled bottle, decedent P died upon drinking poison from no-label bottle sold by D)
CLASS OF PERSONS
The injured victim is a member of the class of persons the S/R/O provision(s) were intended to protect; Statute serves general state or public interest but not preventing harms to private persons? Then element NOT met.
LEGALLY RECOGNIZED “EXCUSE:
In a majority of jurisdictions, if the above elements are met, the actor charged with NPS may defeat NPS by proving evidence they meet a legally recognized “excuse.” If they fail, NPS applies. If they succeed, apply RPP standard.
Note: No Excuse for Absolute Duty: If S/R/O provision(s) establish absolute duty—i.e., text does not permit actor’s proffered excuse—then actor NOT permitted to claim “excuse” to NPS.
LEGALLY RECONIZED EXCUSE