The case allowed consumers rights against manufacturers of defective products that they lacked under the law of contract. Contract law provided consumer plaintiffs with very powerful remedies against those defendants with whom they could establish privity of contract. Most significantly, contractual remedies were available even where the defendant was in no way at fault as liability for breach of contract is, in general, strict.
‘[A] manufacturer of products which he sells in such a form as to show he intends them to reach the ultimate consumer in the form in which they left him, with no reasonable possibility of intermediate examination, and with the knowledge that absence of reasonable care in the preparation or putting up of the products will result in injury to the consumer’s life or property, owes a duty to that consumer to take that reasonable care.’ (Donoghue v. Stevenson  AC 562, 599)
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