Standard of Care CASES

In English negligence law, standard of care is the objective measure of the caution and skill expected in the circumstances—what a reasonable person (or professional) would do.

Definition and principles

The test is objective and context-sensitive. Key factors include the probability of harm, seriousness of potential injury, cost and practicality of precautions, and the social utility of the activity. Compliance with regulations or industry codes is persuasive but not conclusive. For professionals, the standard is judged by a responsible body of opinion that withstands logical analysis. Learners are held to the competent standard of the role; children are measured against a reasonable child of similar age.

Common examples

• Driver fails to adjust speed and lookout in heavy rain, causing a collision.
• Hospital adopts a technique supported by responsible medical opinion—no breach unless the opinion is illogical.
• Employer omits simple, low-cost safeguards despite a foreseeable risk of injury.
• Sports participant commits a reckless tackle well beyond what the game reasonably contemplates.

Legal implications

• Breach is assessed against the standard; expert evidence is typical in professional cases.
• Statutory or regulatory breach is evidence of negligence, not automatic liability.
• Contributory negligence may reduce damages where the claimant fell below their own reasonable standard.
• In clinical negligence, risk disclosure duties are analysed distinctly from pure treatment skill.

Practical importance

Early focus on hazards, risk assessments, training records, and feasible precautions sharpens breach analysis, expert instructions, and settlement strategy.

See also: Duty of care; Breach; Professional negligence; Risk assessment; Contributory negligence; Causation; Remoteness.