What If My Injury Was Caused by a Defective Product?
Every day, people across Scotland use products — household appliances, vehicles, tools, medicines, food, children's toys, electrical equipment, cosmetics, and an almost limitless range of other manufactured goods — in the reasonable expectation that those products are safe. That expectation is not merely a matter of consumer confidence. It is underpinned by a legal framework that imposes clear and enforceable obligations on manufacturers, importers, and suppliers to ensure that the products they place on the market do not cause harm to the people who use them.
When a product fails that standard — when a washing machine catches fire, when a car's braking system fails without warning, when a pharmaceutical drug causes unexpected and serious side effects, when a child's toy contains a component that creates a choking hazard, when food is contaminated with a pathogen that causes serious illness — the person injured by that product may have a compensation claim. That claim is governed by the law of product liability — a body of law in Scotland that combines a statutory strict liability regime with the common law of negligence to provide injured consumers with two distinct but overlapping routes to compensation.
Understanding how product liability law works in Scotland, what the two routes to compensation are and how they differ, what evidence is required, what the specific challenges of product liability litigation are, and what the practical steps are for anyone injured by a defective product is the purpose of this essay.
The Two Routes to Compensation
Product liability claims in Scotland can be pursued through two distinct legal routes — the statutory route under the Consumer Protection Act 1987 and the common law route in negligence. The two routes are not mutually exclusive — a claimant may pursue both simultaneously — but they differ in important respects including the standard of liability, the defences available to the defendant, and the limitation period that applies.
Understanding the distinction between these two routes is important because the choice of route — or the decision to pursue both — has practical implications for how the claim is framed, what evidence is needed, and what defences the defendant may raise.
The Consumer Protection Act 1987: Strict Liability
The Consumer Protection Act 1987 — which implements the EU Product Liability Directive 85/374/EEC in UK law, the directive having been retained as part of UK law following Brexit — imposes strict liability on producers, importers, and in some circumstances suppliers for damage caused by defective products. The significance of strict liability cannot be overstated — it means that the claimant does not need to prove that the producer was negligent or at fault. They simply need to establish that the product was defective and that the defect caused their injury.
The Act applies to all products — defined broadly as any goods, including components of finished products, raw materials incorporated into other products, and electricity. Agricultural produce that has not undergone industrial processing was originally excluded but is now included following amendments to the regime. Software and digital products present more complex questions about the application of the Act that are evolving as the law develops.
The central concept in a Consumer Protection Act claim is the defect. Under the Act, a product is defective where its safety is not such as persons generally are entitled to expect — taking into account all the circumstances including the way the product is marketed, the use to which it could reasonably be expected to be put, the time the producer supplied the product, and any instructions or warnings provided with it.
This is an objective standard — what persons generally are entitled to expect — rather than a subjective assessment of what any individual consumer expected. It is assessed at the time the product was supplied, not at the time of the accident, which means that a product that meets contemporary safety standards is not defective merely because later scientific knowledge has identified risks that were not known when the product was manufactured.
The concept of defect encompasses several distinct types of product failure. Manufacturing defects arise where an individual product departs from the intended design in a way that makes it unsafe — a component that should be made of high-grade steel but was inadvertently manufactured from a weaker alloy, a food product contaminated during processing, a drug that has been incorrectly formulated. Design defects arise where the design of the product itself is inherently unsafe — where every unit made to that specification is potentially dangerous, not because of an error in the manufacturing process but because the design itself creates an unacceptable risk. Warning defects — sometimes called marketing defects — arise where a product that is inherently hazardous in certain circumstances is supplied without adequate instructions or warnings that would allow the user to use it safely.
Who Is Liable Under the Consumer Protection Act?
The Act imposes liability on the producer of the defective product — the manufacturer of the finished product, the manufacturer of a component part that was defective, or the person who abstracted or won a raw material. Where a product is imported into the European Economic Area — or now, following Brexit, into the United Kingdom — from outside, the importer is treated as the producer and bears the same strict liability.
Where neither the producer nor an importer can be identified, the supplier — the retailer or distributor who supplied the product to the consumer — may be liable where they fail, within a reasonable period, to identify the producer or the person who supplied the product to them. This supplier liability provision ensures that the injured consumer always has a traceable defendant — the person who sold them the product — who can be asked to identify the manufacturer, and who becomes directly liable if they cannot do so.
In complex supply chains — where a product passes through multiple manufacturers, component suppliers, importers, and distributors before reaching the consumer — multiple parties may be jointly and severally liable under the Act. The component manufacturer whose defective part caused the failure of the finished product, the manufacturer of the finished product who incorporated the defective component, and the importer who brought the product into the UK market may all bear strict liability for the same defect. The injured consumer can pursue any or all of them.
Defences Under the Consumer Protection Act
Despite the strict nature of liability under the Consumer Protection Act, the Act provides a number of specific defences that producers can rely on to avoid liability.
The development risks defence — sometimes called the state of the art defence — is the most significant and most controversial. It provides that a producer is not liable where the state of scientific and technical knowledge at the time the product was supplied was not such that the defect could have been discovered. In other words, if the defect was not discoverable given the scientific knowledge available when the product was manufactured, the producer is not liable under the Act.
The development risks defence is a significant qualification to the strict liability regime because it protects producers against liability for defects that were genuinely unknowable at the time of manufacture. However, it does not protect against defects that were known or should have been known — only against defects that were genuinely beyond the reach of available scientific knowledge. The burden of proving the defence lies on the producer, and the standard is high — the producer must show that no producer in the world could have discovered the defect given the state of knowledge at the relevant time.
Other defences under the Act include the defence that the defect was attributable to compliance with a statutory or Community obligation — where the producer had no choice but to make the product in the way that caused the defect because a legal requirement demanded it. And the defence that the product was not supplied in the course of a business — which excludes liability for private sales and gifts, though the vast majority of consumer products are supplied in the course of a business.
A component manufacturer can also avoid liability where the defect was attributable entirely to the design of the finished product into which the component was incorporated, provided the component manufacturer had no part in that design.
The Limitation Period Under the Consumer Protection Act
The limitation position for Consumer Protection Act claims in Scotland is governed by a specific provision in the 1987 Act itself, supplemented by the Prescription and Limitation (Scotland) Act 1973. The standard three year limitation period applies — running from the date of knowledge that includes knowledge of the damage, the defect, and the identity of the producer.
However, there is an important and absolute long-stop provision that has no equivalent in ordinary personal injury limitation. The Consumer Protection Act provides that no proceedings may be brought more than ten years after the date on which the producer supplied the product that caused the damage. This ten year long-stop applies regardless of the claimant's date of knowledge — a person who discovers that a product caused them harm more than ten years after the product was supplied cannot bring a claim under the Act, however recently they acquired that knowledge.
The ten year long-stop is an absolute bar — there is no judicial discretion to disapply it in the way that the section 19A discretion allows a late claim in standard limitation cases. For products with long latency periods — implanted medical devices, for example, where a defect may not manifest for many years — the ten year long-stop can extinguish claims before the harm is even apparent.
The interaction between the three year running period and the ten year long-stop requires careful analysis in any product liability claim, particularly where the product was manufactured or supplied some years before the injury occurred. Specialist legal advice on the limitation position should be sought promptly in any case where the product was supplied more than seven years before the claim is being considered.
The Common Law Route: Negligence
Alongside the statutory strict liability route under the Consumer Protection Act, product liability claims in Scotland can also be pursued in common law negligence. The common law route requires the claimant to establish that the manufacturer or supplier owed them a duty of care, that they breached that duty, and that the breach caused the damage suffered.
The historical foundation of product liability negligence is the celebrated House of Lords decision in Donoghue v Stevenson — a Scottish case decided in 1932 involving a snail discovered in a bottle of ginger beer purchased in Paisley. Lord Atkin's famous neighbour principle — that one must take reasonable care to avoid acts or omissions which one can reasonably foresee would be likely to injure one's neighbour — has as its most iconic factual illustration the duty of a manufacturer to the ultimate consumer of their product. Donoghue v Stevenson established that a manufacturer of goods owes a duty of care to the ultimate consumer even where there is no direct contractual relationship between them, and it is the foundation on which the modern law of product liability negligence is built.
The common law negligence route differs from the Consumer Protection Act route in several important respects. Under the common law route, the claimant must prove fault — they must establish that the manufacturer or supplier failed to take reasonable care. The standard of reasonable care is assessed against what a competent manufacturer in the relevant sector, exercising reasonable care, would have done — the same general negligence standard that applies in all areas of Scots delict. This is a more demanding requirement than the strict liability of the Consumer Protection Act, but it does not carry the ten year long-stop limitation, and it covers some situations — defective services accompanying a product, pre-contractual misrepresentations about a product's safety — that may fall outside the Act's scope.
In practice, most product liability claims in Scotland where the Consumer Protection Act applies will pursue the statutory route as the primary basis because of its strict liability standard, while maintaining the common law route as an alternative where a specific negligence case can be made out.
The Types of Damage Recoverable
The Consumer Protection Act and common law negligence both provide for the recovery of personal injury and consequential financial losses. Solatium for the pain, suffering, and loss of amenity of the injury is recoverable, assessed in the usual way by reference to the Judicial College Guidelines for the specific type of injury sustained. All heads of special damages — past and future wage loss, medical treatment costs, care costs, and all other financial losses flowing from the injury — are recoverable in the usual way.
The Consumer Protection Act has specific provisions regarding property damage. Property damage is recoverable under the Act where the damaged property is of a type ordinarily intended for private use and the claimant was using it for their own private use at the time of the damage. There is a lower limit on property damage claims under the Act of £275 — claims for property damage below this threshold are not recoverable under the statute. The product itself — the defective product that caused the damage — is not recoverable under the Act.
Pure economic loss — financial loss not arising from personal injury or property damage — is generally not recoverable under the Consumer Protection Act. This is a significant limitation in commercial product liability contexts, though in consumer personal injury cases it is rarely the primary concern.
Specific Categories of Product Liability Claim
Product liability claims in Scotland arise across an enormous range of product categories, each with its own specific features and challenges. Several categories recur with particular frequency and are worth examining.
Pharmaceutical product liability claims arise from injuries caused by medicinal drugs — either from side effects that were known but inadequately disclosed, side effects that emerged after widespread use, or manufacturing defects that resulted in contaminated or incorrectly formulated medication. Pharmaceutical product liability claims are among the most complex and most heavily contested in the entire product liability landscape. The development risks defence is most frequently raised in pharmaceutical cases — drug manufacturers argue that the adverse effects were not discoverable given the state of scientific knowledge at the time of approval and marketing. Establishing defect in a pharmaceutical product typically requires expert pharmacological and toxicological evidence, regulatory analysis of the drug approval process, and epidemiological evidence about the rate and severity of adverse effects in the population of users. Class actions and multi-party litigation involving large numbers of affected patients are a feature of major pharmaceutical product liability cases.
Medical device claims are a significant and growing category of product liability litigation. Defective hip and knee implants, defective surgical mesh, defective breast implants, defective cardiac devices, and a range of other medical devices that fail prematurely or cause unexpected harm give rise to claims under both the Consumer Protection Act and common law negligence. Medical device litigation often involves international manufacturers, complex regulatory histories, and large numbers of affected patients whose cases raise common issues of defect and causation. The Scottish courts have jurisdiction over medical device claims arising in Scotland, and specialist legal expertise in this area is essential given the complexity of the regulatory and technical evidence involved.
Vehicle defect claims arise from mechanical failures and design defects in cars, motorcycles, commercial vehicles, and other road vehicles. A brake failure, a steering defect, a defective tyre, an airbag that fails to deploy or deploys inappropriately — each of these may give rise to a product liability claim against the vehicle manufacturer or component supplier. Vehicle defect claims require expert mechanical and engineering evidence to establish the nature of the defect and to rule out driver error or inadequate maintenance as the cause of the failure.
Children's toy and product safety claims arise from injuries caused by toys and children's products that fail to meet safety standards — products with small parts that create choking hazards, products with sharp edges, products containing toxic materials, or products with design features that create strangulation, entrapment, or other risks. Children's product safety is regulated by the Toys (Safety) Regulations 2011 and a range of other product safety legislation, and the failure to meet these standards is directly relevant to the defect analysis under the Consumer Protection Act.
Food safety claims arise from injuries caused by contaminated food, food containing unexpected allergens, or food with other defects. Food contamination with pathogens including Salmonella, E. coli, Campylobacter, and Listeria causes serious illness and in vulnerable individuals can be life-threatening. Food allergen mislabelling — where a food product contains an allergen that is not disclosed on the label — can cause severe and potentially fatal allergic reactions in susceptible consumers. Food product liability claims may be brought against the manufacturer, the retailer, or both.
Electrical and household appliance claims arise from fires, electric shocks, and other injuries caused by defective appliances. Washing machines, tumble dryers, dishwashers, and other household appliances that catch fire due to manufacturing defects or design flaws have caused serious injuries and deaths. The scale of some appliance defect issues has led to widespread product recalls, and the interaction between a product recall and the legal position of injured consumers is an important practical consideration.
Evidence in Product Liability Claims
Product liability claims require a distinctive and technically demanding body of evidence that reflects the need to establish both the existence of the defect and its causation of the specific injury.
The product itself — or as much of it as survives the incident — is the primary piece of physical evidence. The preservation of the defective product, or its remnants, is an essential first step in any product liability claim. Where a product has been destroyed in a fire or explosion caused by a defect, or where it has been disposed of before the injury's cause was understood, the evidence position is significantly weakened. If you have been injured by what you believe is a defective product, preserve the product or its remains, do not return it to the manufacturer or retailer without first taking advice, and do not allow any repair or modification that might obscure the nature of the defect.
Expert engineering, mechanical, or scientific evidence is required to establish the nature of the defect — to explain what went wrong, why it went wrong, and how the defect caused the specific injury. The choice of expert depends on the category of product — a mechanical engineer for vehicle defects, an electrical engineer for appliance defects, a pharmacologist for drug defects, a materials scientist for defects in manufactured components. The expert must have sufficient access to the product or its remains, its design specifications, its manufacturing records, and the regulatory documentation of its testing and approval to form a reliable opinion on defect.
Regulatory and compliance evidence is important in many product liability cases. Products are subject to a range of safety standards and testing requirements — CE marking requirements for products sold in the UK and EU, British Standards, sector-specific regulatory approvals — and evidence that a product failed to meet these requirements is directly relevant to the defect analysis. Regulatory investigation reports, product recall notices, and enforcement actions by the relevant authority — the Health and Safety Executive, the Medicines and Healthcare products Regulatory Agency, the Office for Product Safety and Standards — can provide important corroborating evidence of defect.
Epidemiological and post-market surveillance data — evidence about the rate of adverse events in the population of users of the product — is particularly relevant in pharmaceutical and medical device claims, where the defect may manifest as an elevated rate of adverse outcomes rather than a single obvious mechanical failure.
Multi-Party and Class Actions
Where a defective product has caused harm to a large number of people — a pharmaceutical drug with widespread adverse effects, a medical device that fails across the population of implanted patients, a food product that causes illness in many consumers — the product liability claim may involve multiple claimants raising common issues of defect and causation. In Scotland and across the UK, these multi-party claims have historically been managed through various forms of group litigation, and the development of class action mechanisms in Scotland has been a subject of active legal and policy discussion.
The Court of Session has procedures for managing multiple related actions — representative actions and group litigation orders — that allow cases raising common issues to be managed collectively and efficiently. Where a large number of Scottish claimants have been harmed by the same defective product, the collective management of their claims can produce significant efficiencies in the expert evidence and the litigation strategy.
The Practical Steps After an Injury from a Defective Product
For any person in Scotland injured by what they believe is a defective product, the practical steps follow a clear sequence that must be initiated promptly.
Preserve the product and all associated documentation — the product itself or its remains, the packaging, the instructions and warnings, the receipt or proof of purchase, any warranty documentation, and any correspondence with the manufacturer or retailer. This documentation is the evidential foundation of the claim.
Seek medical treatment and ensure that the injuries are properly documented in medical records. The medical evidence of the injury is needed both to establish the nature and extent of the harm and to support the causation analysis linking the product defect to the specific injury.
Report the incident to the relevant authority. Product safety incidents should be reported to the Office for Product Safety and Standards or, for food products, to the local authority environmental health department and the Food Standards Agency Scotland. Regulatory investigation of a product defect may produce evidence that supports the civil claim, and reporting the incident is an important public safety step regardless of any legal claim.
Contact a specialist product liability solicitor promptly. The limitation position — the three year running period and the ten year long-stop under the Consumer Protection Act — requires early legal advice to ensure that the claim is brought within time. The identification of the producer, the preservation of the product, and the instruction of appropriate technical experts are all tasks that benefit from early specialist involvement.
The Bottom Line
Product liability law in Scotland provides a comprehensive framework of rights for people injured by defective products — combining the strict liability regime of the Consumer Protection Act 1987 with the common law negligence route established in Donoghue v Stevenson to give injured consumers two overlapping routes to compensation. The strict liability standard of the Consumer Protection Act means that the claimant does not need to prove fault — they need to establish that the product was defective and that the defect caused their injury.
These claims are technically complex and require specialist legal expertise and appropriate expert evidence. But they are claims that succeed when the evidence supports them, and the legal framework of Scotland — built on the foundation of a case decided in a Paisley ice cream parlour nearly a century ago — provides a principled and effective mechanism for ensuring that the manufacturers and suppliers who place defective products on the market bear the consequences when those products cause harm.