Study guide
17.4 Products Liability Under Negligence, Warranty & Misrepresentation
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1 Introduction & FYLSE Examination Guide
1.1 FYLSE Exam Structure, Passing Standard & Administration 1.2 Study Method, Pacing & MBE-Style Technique
2 Contracts: Mutual Assent, Capacity & Contract Formation
2.1 The Offer & Objective Theory of Assent 2.2 Termination & Irrevocability of Offers 2.3 Acceptance & the Mailbox Rule 2.4 Mirror Image Rule & UCC 2-207 Battle of the Forms 2.5 Mistake in Contract Formation 2.6 Fraud, Duress, Undue Influence & Illegality 2.7 Capacity to Contract
3 Contracts: Consideration, Estoppel & Implied Obligations
3.1 Consideration & the Bargained-For Exchange 3.2 Past & Moral Consideration, Pre-Existing Duty & Modification 3.3 Promissory Estoppel & Detrimental Reliance 3.4 Implied-in-Fact Contracts & Quasi-Contract 3.5 Implied Covenant of Good Faith, Fair Dealing & Indefinite Terms
4 Contracts: Third-Party Beneficiaries, Assignment & Delegation
4.1 Third-Party Beneficiary Contracts 4.2 Assignment of Rights 4.3 Delegation of Duties
5 Contracts: Statute of Frauds, Parol Evidence & Interpretation
5.1 Statute of Frauds: Contracts Within the Statute 5.2 Satisfying the Statute: Writing, Signature & Exceptions 5.3 The Parol Evidence Rule 5.4 Contract Interpretation & Canons of Construction
6 Contracts: Performance, Conditions, UCC Warranties & Breach
6.1 Conditions: Express, Constructive & Excuse 6.2 Substantial Performance vs. Perfect Tender 6.3 Cure, Rejection, Revocation & Installment Contracts 6.4 UCC Article 2 Warranties & Risk of Loss 6.5 Anticipatory Repudiation & Insecurity
7 Contracts: Remedies, Discharge & Changed Circumstances
7.1 Expectation Damages & Their Limitations 7.2 Reliance, Restitution & Liquidated Damages 7.3 Specific Performance & Injunctive Relief 7.4 UCC Article 2 Buyer's and Seller's Remedies 7.5 Impossibility, Impracticability & Frustration of Purpose 7.6 Discharge by Agreement: Rescission, Novation & Accord and Satisfaction
8 Criminal Law: Principles of Criminal Liability & Mens Rea
8.1 Actus Reus, Voluntary Acts & Omissions 8.2 Criminal Causation & Intervening Causes 8.3 Common Law & Model Penal Code Mens Rea 8.4 Mistake of Fact, Mistake of Law & Concurrence
9 Criminal Law: Inchoate Offenses & Accomplice Liability
9.1 Criminal Attempt & Impossibility 9.2 Solicitation & the Merger Doctrine 9.3 Conspiracy & Merger Doctrine 9.4 Accomplice Liability: Actus Reus & Mens Rea 9.5 Scope of Accomplice Liability, Withdrawal & Parties to Crime
10 Criminal Law: Homicide & Crimes Against the Person
10.1 Common Law Murder & Malice Aforethought 10.2 Degrees of Murder, Premeditation & Deliberation 10.3 The Felony Murder Rule & Its Limitations 10.4 Voluntary & Involuntary Manslaughter 10.5 Non-Homicide Crimes Against the Person
11 Criminal Law: Property Crimes, Theft & Habitation
11.1 Common Law Larceny 11.2 Embezzlement & False Pretenses 11.3 Robbery & Extortion 11.4 Receiving Stolen Property 11.5 Burglary 11.6 Arson
12 Criminal Law: Defenses: Capacity, Justification & Excuse
12.1 Insanity: The Four Legal Tests 12.2 Intoxication, Diminished Capacity & Infancy 12.3 Self-Defense & Defense of Others 12.4 Defense of Property, Habitation & Law Enforcement Privileges 12.5 Duress & Necessity 12.6 Entrapment & Mistake as an Excuse
13 Torts: Intentional Torts to Persons & Property
13.1 Intent, Motive & Incapacity in Intentional Torts 13.2 Transferred Intent 13.3 Battery & Assault 13.4 False Imprisonment 13.5 Trespass to Land 13.6 Trespass to Chattels & Conversion
14 Torts: Privileges & Defenses to Intentional Torts
14.1 Consent: Express, Implied & Capacity 14.2 Exceeding & Vitiating Consent 14.3 Self-Defense & Defense of Others (Tort) 14.4 Defense of Property & Recapture of Chattels 14.5 Public & Private Necessity 14.6 The Shopkeeper's Privilege
15 Torts: Negligence — Duty of Care & Breach
15.1 Duty of Care & the Foreseeable Plaintiff 15.2 Affirmative Duties to Act & Special Relationships 15.3 Standard of Care: The Reasonable Person & Children 15.4 Professional Negligence, Informed Consent & Negligence Per Se 15.5 Land Possessor Liability & Premises Duties 15.6 Breach of Duty & Res Ipsa Loquitur
16 Torts: Causation, Defenses, Multiple Tortfeasors, Wrongful Death & Damages
16.1 Cause in Fact & Multiple Actors 16.2 Proximate Cause & Intervening Forces 16.3 Contributory, Comparative Negligence & Assumption of Risk 16.4 Joint and Several Liability, Contribution & Indemnity 16.5 Vicarious Liability & Non-Delegable Duties 16.6 Wrongful Death & Survival Actions 16.7 Statute of Limitations & Claim Accrual 16.8 Tort Damages: Compensatory, Nominal, Punitive & Mitigation
17 Torts: Strict Liability & Products Liability
17.1 Strict Liability for Animals 17.2 Abnormally Dangerous Activities & Scope of Risk 17.3 Strict Products Liability & Defect Categories 17.4 Products Liability Under Negligence, Warranty & Misrepresentation 17.5 Defenses to Products Liability
18 Torts: Emotional Distress, Defamation, Privacy & Economic Torts
18.1 Intentional Infliction of Emotional Distress 18.2 Negligent Infliction of Emotional Distress 18.3 Common Law Defamation: Elements, Libel & Slander 18.4 Constitutional Limits, Privileges & Defenses to Defamation 18.5 Invasion of Privacy 18.6 Nuisance & Economic Torts
17.4 Products Liability Under Negligence, Warranty & Misrepresentation
Key Takeaways Explain This Topic AI
A negligence claim requires proof that the defendant failed to exercise reasonable care, which strict liability does not, but it reaches defendants such as retailers and repairers who may escape section 402A.
The implied warranty of merchantability supports a products claim without proof of fault or defectiveness in the tort sense, requiring only that the goods were not fit for ordinary purposes.
Warranty claims are governed by the UCC, so they carry notice requirements, contractual disclaimers, and a four-year limitations period that tort claims do not.
Express warranty liability arises from any affirmation of fact or promise about the product that becomes part of the basis of the bargain.
Misrepresentation liability arises where a seller makes a public misstatement of material fact about a product's character and a consumer justifiably relies on it, and it does not require proof of a defect at all.
Last updated: September 2026
- Products Liability Under Negligence, Warranty & Misrepresentation
- 1. Products Liability Under Negligence & UCC Warranty Theories
- Products Liability in Negligence
When asserting negligence against a product supplier, the plaintiff must prove all traditional elements: Duty, Breach, Causation, and Damages.
Proper Defendants in Negligence:
Manufacturers: Owe a duty of due care to all foreseeable plaintiffs to design, assemble, inspect, test, and label products safely. Res ipsa loquitur is frequently invoked against manufacturers when a product fails in an unexplained, bizarre manner shortly after leaving the plant.
Retailers and Wholesalers: In sharp contrast to strict liability, a retailer or wholesaler is rarely liable in negligence if it merely sells a new product manufactured by a reputable supplier in sealed packaging. A non-manufacturing retailer owes only a duty to make a reasonable visual inspection for apparent exterior damage; the retailer has no duty to open, dismantle, or scientifically test sealed consumer products unless the retailer knew or had reason to know of a defect.
Products Liability Under UCC Warranty Theories (Article 2)
Warranty actions arise under Uniform Commercial Code Article 2 governing transactions in goods: UCC Article 2 Warranties
- ├── Express Warranty (UCC § 2-313) ──▶ Affirmation of fact, promise, or sample; basis of bargain
- ├── Implied Warranty of Merchantability (UCC § 2-314) ──▶ Merchant seller; fit for ordinary purpose
└── Implied Warranty of Fitness for Particular Purpose (UCC § 2-315) ──▶ Seller knows specific purpose; buyer relies
Express Warranty (UCC § 2-313):
Created whenever a seller makes an affirmation of fact, promise, description, or provides a sample or model that relates to the goods and becomes part of the basis of the bargain .
Liability is strict: if the goods fail to conform to the factual affirmation (e.g., "this glass is shatter-proof up to 100 mph"), the seller is liable for breach, regardless of fault or good faith.
Mere puffery or sales talk (e.g., "this is the finest lawnmower on the market") does not create an express warranty.
Implied Warranty of Merchantability (UCC § 2-314):
Automatically implied as a matter of law in every contract for the sale of goods where the seller is a merchant who deals in goods of that kind .
The seller warrants that the goods are merchantable—meaning, at minimum, that the goods are fit for the ordinary purposes for which such goods are used .
Fault is completely irrelevant. If a consumer eats a hamburger containing a sharp chicken bone that lacerates the throat, the merchant seller has breached the implied warranty of merchantability.
Implied Warranty of Fitness for a Particular Purpose (UCC § 2-315):
Implied when:
The seller (merchant or non-merchant) has reason to know of the buyer's particular, specialized purpose for which the goods are required;
The seller has reason to know that the buyer is relying on the seller's skill or judgment to select suitable goods; and
The buyer actually so relies.
Example: A buyer asks a hardware store clerk for an adhesive specifically capable of bonding underwater fiberglass in a saltwater swimming pool. The clerk recommends a glue that dissolves in water. The seller is liable for breach of the implied warranty of fitness for a particular purpose.
- 2. Practical Exam Hypotheticals & FYLSE Traps
- Trap Scenario 1: The Retailer Who Sells Sealed Canned Goods
Hypothetical: SuperMart, a retail grocery supermarket, purchases canned green beans from Valley Foods, a reputable commercial cannery. The green beans arrive at SuperMart in sealed tin cans packed inside cardboard cartons. SuperMart stocks the cans directly onto its shelves. Paula purchases a can, takes it home, opens it, and empties the beans into a pot. Hidden inside the can is a jagged steel screw that fell from a processing machine at Valley Foods during canning. Paula bites down on the screw and breaks two molars. Paula sues both Valley Foods and SuperMart under strict products liability and negligence.
Analysis:
Under Strict Products Liability: Paula will prevail against both Valley Foods and SuperMart . SuperMart is a commercial supplier in the vertical stream of commerce. Even though SuperMart received the cans sealed, had no ability to inspect the interior, and exercised 100% due care, strict liability attaches to retailers regardless of fault.
Under Negligence: Paula will prevail against Valley Foods (res ipsa loquitur establishes breach in the canning process), but will lose against SuperMart . A retail merchant selling new goods from a reputable manufacturer in sealed containers owes no duty to open and inspect the contents, and committed no breach of reasonable care.
Trap Scenario 2: The Self-Destructing Combine Harvester
Hypothetical: Farmer John purchases a $300,000 commercial combine harvester from AgriMachinery Corp. for use on his wheat farm. Due to a defectively machined cooling fan gear, the cooling system fails while the combine is operating in the middle of a harvest field. The engine block overheats, cracks in half, and is completely destroyed. The combine catches fire, but the fire is extinguished before it damages any surrounding wheat crops. Farmer John is completely uninjured. Farmer John sues AgriMachinery under strict products liability in tort, seeking $90,000 for the replacement engine and $40,000 in lost wheat harvesting profits.
Analysis: Farmer John cannot recover under strict products liability in tort. Under the economic loss doctrine , tort law does not afford a remedy when a product defect causes damage solely to the defective product itself and generates purely commercial lost profits. Because there was no physical personal injury and no damage to "other property" (the wheat was unburned), Farmer John's sole legal remedy lies in contract for breach of UCC warranties (e.g., Implied Warranty of Merchantability).
Trap Scenario 3: The Woodworking Table Saw and Feasible RAD
Hypothetical: Apex Tools manufactures an industrial table saw with a clear plastic guard. In workshops across the country, operators routinely unscrew and tie back the guard to perform rapid repetitive cross-cuts, a practice known to Apex through customer feedback. Apex could have incorporated an electronic flesh-sensing sensor brake for an extra manufacturing cost of $35 that stops the blade within milliseconds of contact with human tissue without impairing cutting performance. An operator working with the guard tied back slips and cuts two fingers on the spinning blade. The operator sues Apex in strict products liability alleging a design defect.
Analysis: The operator will prevail under the risk-utility test. Manufacturers must anticipate reasonably foreseeable misuses. Tying back the cumbersome guard was foreseeable and known. The operator proves a design defect by demonstrating the availability of a feasible Reasonable Alternative Design (RAD)—the flesh-sensing brake—that was technologically available at modest cost and would have prevented the catastrophic injury without significantly impairing the tool's utility.