Donoghue v. Stevenson (1932): The Birth of Modern Tort Law
“If I suffered harm after drinking a beverage I didn’t even buy myself, whom can I hold liable?” This question opened a new chapter in tort law.
Hello! Today we’ll cover the famous UK case that laid the foundations of tort law, Donoghue v. Stevenson (1932). When I first heard about it, I remember thinking, “Did legal history really change just because a snail was found in a drink?” But reading the judgment, I realized it wasn’t a mere mishap—it tackled the fundamental question of “who owes a duty of care to whom.” That’s why this case is seen as the starting point of modern tort law, product liability, and consumer protection.
Table of Contents
Case Background
In 1928 in Paisley, Scotland, May Donoghue drank ginger beer that a friend had bought for her. Inside the bottle was a decomposed snail, and she suffered serious gastrointestinal illness. The problem was that Donoghue hadn’t purchased the drink herself, so she couldn’t rely on contract-based consumer protections to sue the manufacturer. She therefore brought a claim in tort law against the manufacturer, David Stevenson. The case raised a new legal question: can a consumer who lacks privity of contract still sue the manufacturer?
Core Legal Issues
The central issue was whether a manufacturer owes a duty of care to the ultimate consumer. More specifically:
| Issue | Description |
|---|---|
| Absence of Privity | Can Donoghue sue the manufacturer even though she didn’t purchase the product herself? |
| Scope of Duty of Care | Does the manufacturer owe a reasonable duty of care to the consumer? |
| Tort Liability | Can the manufacturer be liable in negligence even without a contract? |
Court’s Decision
In 1932, the House of Lords, by a 3–2 majority, recognized Donoghue’s claim. The court held that the manufacturer owes a duty of care to the ultimate consumer and acknowledged product liability even in the absence of a contractual relationship. Key holdings:
- Even without privity, manufacturers owe a duty of care to foreseeable consumers of their products.
- Manufacturers must take reasonable steps to prevent foreseeable harm.
- This case established the foundation of negligence in modern tort law.
Establishment of the Neighbour Principle
The most famous part of the case is Lord Atkin’s “Neighbour Principle.” Drawing on the biblical phrase “love thy neighbour,” he explained that in legal terms, your “neighbour” is anyone closely and reasonably affected by your actions. In other words, manufacturers owe a duty of care to the ultimate consumer—their legal “neighbour.” This principle became a universal benchmark across modern tort law.
Impact and Significance
Donoghue v. Stevenson went far beyond a simple incident and redefined tort law worldwide. It was among the first cases to recognize manufacturer negligence without privity, forming the basis for consumer law and safety regulation.
| Impact | Examples |
|---|---|
| Development of Tort Law | Clarified duty of care and negligence using the Neighbour Principle |
| Strengthened Consumer Protection | Recognized a direct responsibility of manufacturers toward end-users |
| International Influence | Became a staple case in tort law courses across common law and beyond |
Contemporary Meaning
Today, the case is cited well beyond product liability—to doctors, architects, and even internet platforms—whenever duty of care is discussed. In introductory law courses, the “snail in the bottle” case is often summarized like this:
- The duty of care extends beyond contracts to society at large.
- Consumer rights are strongly protected by law.
- The “Neighbour Principle” still informs modern debates on human rights and corporate responsibility.
Frequently Asked Questions (FAQ)
Because a decomposed snail was discovered in the ginger beer bottle that Donoghue drank.
Whether a manufacturer owes a duty of care to an ultimate consumer despite the absence of a contractual relationship.
The House of Lords held that manufacturers owe a duty of care to consumers and allowed Donoghue’s claim.
It is the idea that one owes a duty of care to all persons who could be closely and reasonably affected by one’s actions.
It opened the door for consumers to sue manufacturers even without privity of contract.
It’s still cited across contexts—medical negligence, building safety, IT services—whenever duty of care and negligence are at issue.
Conclusion
Donoghue v. Stevenson (1932) offers a simple yet powerful answer to who owes a duty of care. Every time I revisit this case, I think about the “invisible obligations” we owe each other. A cup at a café, a medical appointment, the function of an app—everything runs on someone’s care. When do you feel the Neighbour Principle in daily life? Share your experiences in the comments—your story might become a small safety net for someone else.

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