Brown v. Kendall
Easy English case explainer — short, clean, classroom style.
 
        Quick Summary
Two dogs fought. The defendant raised a stick to separate them. By accident, the stick hit the plaintiff’s eye. The court said: when a person does a lawful act with ordinary care, they are not liable for accidental injury. The plaintiff must show unlawful intent or fault.
Issues
- Can a defendant be held liable for an injury caused unintentionally while doing a lawful act?
Rules
- A person performing a lawful act with ordinary care and prudence is not liable for injuries that accidentally result.
- The plaintiff must prove either unlawful intention or fault (lack of ordinary care).
| Citation | Brown v. Kendall, 60 Mass. 292 (1850) | 
| Court | Supreme Judicial Court of Massachusetts | 
| Area of Law | Torts — Assault & Battery; Negligence Standard | 
Facts (Timeline)
 
          Dogs fighting: Plaintiff’s and defendant’s dogs began to fight.
Lawful act: Defendant used a ~4-foot stick to separate the dogs.
Movement: The dogs shifted close to the plaintiff, who was watching.
Accident: While lifting the stick, the defendant accidentally struck the plaintiff’s eye, causing serious injury.
Lawsuit: Plaintiff sued for assault and battery.
Arguments
Plaintiff
- Defendant struck him and caused serious harm.
- Claims defendant was at fault and should pay.
Defendant
- Act was lawful—separating fighting dogs.
- Blow was accidental; he used ordinary care.
Judgment
 
          The court ruled for the defendant. The plaintiff had to prove unlawful intent or lack of ordinary care. Because the defendant acted lawfully and with ordinary care, he was not liable for the accidental injury.
Ratio Decidendi
Liability in accidental injury cases turns on ordinary care. If the actor used ordinary care while doing a lawful act, there is no fault and no liability.
Why It Matters
- Key case for the ordinary care standard in tort law.
- Separates accident from fault in everyday activities.
- Guides exam answers on unintentional harm and negligence.
Key Takeaways
- Lawful act + ordinary care → no liability for accident.
- Plaintiff’s burden: show unlawful intent or fault.
- Context matters: emergencies and quick actions can still be reasonable.
Mnemonic + 3-Step Hook
BRO-KEN = BROwn sets Ordinary care; Kicking stick was lawful; ENd result accidental → no fault.
- Identify the act: lawful or not?
- Measure care: was it ordinary?
- Conclude liability: accident without fault → no liability.
IRAC Outline
Issue
Is a defendant liable for an unintentional injury during a lawful act?
Rule
No liability if the defendant used ordinary care while doing a lawful act.
Application
Defendant tried to separate dogs; strike was accidental; actions showed ordinary care.
Conclusion
Judgment for defendant; plaintiff did not prove fault or unlawful intent.
Glossary
- Ordinary Care
- The caution a reasonably prudent person would use in similar conditions.
- Unlawful Intent
- A conscious aim to do something the law forbids.
- Accidental Injury
- Harm that occurs without intent, during otherwise lawful conduct.
FAQs
Related Cases
Vaughan v. Menlove
Reasonable person standard; roots of ordinary care in negligence law.
Blyth v. Birmingham Waterworks
Defining negligence as failure to do what a reasonable person would do.
 
   
  
  
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