A principle established in Donoghue v. Stevenson is the test used to determine the standard of care that must be exercised by the defendant to escape liability.

Donoghue v. Stevenson

A foundational case in tort law, establishing the principle of duty of care for manufacturers to consumers.

Standard of Care

The degree of care and caution required by an individual, especially as it pertains to the professional or legal duties imposed on them.