An express warranty is a seller’s specific promise about goods in a sales contract. In Contracts, it comes from words, writing, labels, samples, or ads that describe the product and can be enforced if the goods do not match.
An express warranty is a clear statement by the seller about what the goods are, what they do, or how they will perform in a sales contract. In Contracts, it is one of the easiest warranty rules to spot because the promise is made out loud or in writing, instead of being implied by law.
The promise can come from a salesperson’s claim, a product label, a written description, a receipt, a catalog, or even an advertisement if the statement is specific enough to count as part of the bargain. If a seller says a laptop has 16GB of RAM, that is not just sales talk if the buyer reasonably understands it as a factual promise about the product.
You do not need magic words like “I warrant.” What matters is whether the seller made an affirmation of fact, a description, or provided a sample that became part of the deal. Puffery is different. Saying a jacket is “the best jacket ever made” is usually just opinion, but saying it is “waterproof to 50 feet” is the kind of concrete claim that can create an express warranty.
The big course idea is that express warranties tie product descriptions to legal responsibility. Once the seller makes the promise, the goods have to match it. If the goods do not conform, the buyer may have a breach of warranty claim and may pursue remedies like repair, replacement, refund, or damages depending on the facts and the contract rules that apply.
Express warranties show up most often under UCC Article 2, because they are part of sales of goods, not services or real estate. So if you are reading a problem about a car, appliance, phone, or machine, start looking for exact statements the seller made about condition, quality, quantity, or performance. That is usually where the warranty question begins.
Express warranty is one of the cleanest ways contract law turns sales language into enforceable obligations. It shows that a seller cannot make a specific factual promise to close the deal and then shrug it off later when the product turns out differently.
That matters in sales disputes because many cases are not about whether a contract existed. They are about what the seller actually promised and whether the goods matched that promise. A student who can spot the warranty statement can usually move faster through the rest of the analysis: Was it a fact, description, or sample? Did the goods conform? Was there a breach?
It also helps you separate express warranty from vague praise. That distinction comes up a lot in exam hypotheticals and class problems, especially when the seller uses advertising language or makes a statement during negotiations. If you can tell the difference between puffery and a concrete promise, you are already doing real contract analysis instead of just repeating definitions.
Express warranty also connects directly to remedies. Once you find a mismatch, you need to think about what the buyer can actually do, whether that is rejecting the goods, seeking repair or replacement, or claiming damages after notice of breach. So this term is not just about labeling a promise. It is the first step in tracing liability and outcome in a UCC sales dispute.
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Visual cheatsheet
view galleryimplied warranty
An implied warranty comes from the law, not from an explicit seller promise. Express warranty is different because you look for the actual words, writing, sample, or description the seller used. In a problem, it is common to analyze both: the seller may have made an express promise and also triggered an implied warranty that covers the same goods from a different angle.
breach of warranty
Breach of warranty is what you analyze when the goods fail to match the warranty. Express warranty is the promise, while breach of warranty is the failure to deliver what was promised. In a sales question, the first step is spotting the warranty statement, and the second step is checking whether the product actually conformed to it.
UCC Article 2
Express warranty is usually tested inside UCC Article 2 because Article 2 governs sales of goods. If the contract is for a car, appliance, phone, or other movable item, Article 2 gives you the rules for warranties, performance, and breach. If the transaction is about services or land, express warranty analysis may not fit the same way.
Notice of Breach
If the buyer believes the goods do not match an express warranty, notice matters. The buyer generally needs to tell the seller there is a breach before pursuing remedies. That means spotting the warranty is only part of the answer, because the next move is often whether the buyer acted properly after discovering the defect or mismatch.
A quiz or issue-spotting question usually gives you a sales story and asks whether the seller made a binding promise about the goods. Your job is to pull out the exact statement, label, ad, or sample and decide whether it is a factual claim or just sales puffery. Then you trace whether the product matched that claim and whether the buyer has a breach of warranty remedy.
On a case brief or class discussion, you may be asked to explain why the seller’s words count as part of the bargain even if the buyer never said, “I relied on that.” In a problem set, look for details like product specs, model descriptions, or written labels, since those often create the strongest express warranty evidence. If the facts mention a defect, connect it back to the promise and explain the mismatch clearly.
These are often mixed up because both protect buyers when goods are defective, but they come from different places. An express warranty is created by the seller’s actual statement, description, sample, or ad. An implied warranty comes from the law automatically, even when the seller never made a specific promise. When you see a problem, ask first: did the seller say it?
An express warranty is a seller’s specific promise about the goods in a sales contract.
The promise can come from words, writing, labels, ads, descriptions, or samples, as long as it is specific enough to count.
You do not need the seller to say “I warrant” for an express warranty to exist.
If the goods do not match the promise, the buyer may have a breach of warranty claim and seek remedies.
In Contracts, the biggest skill is spotting the exact statement and deciding whether it is a factual promise or just puffery.
An express warranty is a seller’s clear promise about the goods being sold. It can come from a spoken statement, a written description, a label, a sample, or an ad if it is specific enough to be part of the deal. If the goods do not match that promise, the seller may be liable for breach of warranty.
Express warranty comes from the seller’s own words or descriptions, while implied warranty comes from the law. That means you look for an actual promise in express warranty problems, but you look for legal default protections in implied warranty problems. They can overlap in the same case.
Yes, if the ad makes a concrete factual statement about the product. General hype like “the best on the market” is usually puffery, but a statement like “battery lasts 20 hours” can count as a warranty if it is specific and part of the bargain. The detail in the wording matters a lot.
If the goods fail to conform, the buyer can usually treat that as a breach of warranty. The buyer may seek remedies like repair, replacement, refund, or damages depending on the contract facts and the applicable UCC rules. The buyer may also need to give notice of breach before pressing the claim.