Negligence and Tort Law
Civil liability for harm caused by carelessness: duty of care, breach, causation, and damages.
Negligence is the branch of tort law that holds people responsible for harm caused by carelessness. A tort is a civil wrong — distinct from a crime (a wrong against the state, punished by the state) and from a breach of contract (a wrong against a specific agreement). Tort law's purpose is to compensate victims, deter careless conduct, and allocate the costs of accidents. Negligence is by far the most important tort, and its structure is shared across common law jurisdictions.
The claimant must prove four elements. First, the defendant owed a duty of care to the claimant — the obligation, crystallized in Donoghue v Stevenson (1932, the snail in the ginger-beer bottle), to take reasonable care to avoid foreseeable harm to one's neighbors. Second, the defendant breached that duty by falling below the standard of care — the conduct of a reasonable person in the same circumstances, a standard that is objective and adjusts for foreseeable risk, cost of precautions, and the value of the activity. Third, the breach caused the harm: factual causation (but for the breach, the harm would not have occurred) and proximate causation (the harm was not too remote, a test classically framed in the Wagon Mound cases). Fourth, the claimant suffered actual, compensable damage.
Defenses and limits shape the law's reach. Contributory negligence reduces or bars recovery when the claimant's own carelessness contributed to the harm; voluntary assumption of risk (volenti non fit injuria) can bar claims by those who knowingly accepted a danger; and immunities protect some actors (historically the crown, charities, and family members, now largely narrowed). Special rules govern professional negligence (malpractice — judged against the standards of the profession), product liability, occupiers' liability, and pure economic loss, which is generally unrecoverable in negligence. The reasonable-person standard is flexible: it expects more of professionals and of those who undertake special responsibilities, and less of children.
Negligence law operates through case-by-case adjudication — precedent — rather than a fixed code, and it is continuously debated: whether liability is too generous (litigation costs, defensive medicine) or too stingy (undercompensation, deterrence gaps). In the United States, personal injury litigation has produced large jury awards and a distinct tort-reform debate; in most other common law countries, damages are set by judges and liability rules are more restrained. Whatever the policy balance, the four-element structure — duty, breach, causation, damage — remains the analytical skeleton of every negligence claim.
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civil liability law negligence torts
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