When you buy something, you’re not just buying the item. You’re buying the promises that came with it, the ad claiming a car seat “meets all federal safety standards,” the label saying a device is “safe for long-term use,” the salesperson who assured you a ladder could “safely hold 300 pounds.”
Under New York law, statements like these can create an express warranty, a legally enforceable promise about what the product will do.
When a product doesn’t live up to that promise and someone gets hurt, that broken promise can support a legal claim of its own, separate from a traditional defect claim.
If a product failed to do what its label, advertising, or a salesperson promised and you or a family member was injured as a result, Porter Law Group can help you understand what claims may apply.
Prior results do not guarantee a similar outcome.
What Is an Express Warranty Under New York Law
New York adopted the Uniform Commercial Code, and Section 2-313 spells out exactly how a seller creates an express warranty. T
There are three ways it happens: an affirmation of fact or promise about the goods that becomes part of the basis of the bargain, a description of the goods that becomes part of the bargain, or a sample or model that becomes part of the bargain.
In each case, the seller is treated as having promised that the actual product matches what was said.
None of this requires a formal document labeled “warranty.” A seller doesn’t need to use the word “warrant” or “guarantee,” and doesn’t even need to intend to make a promise.
If a company states a verifiable fact about its product that a buyer relies on, that statement can create a warranty whether the company meant it that way or not. What the statement can’t be is pure opinion. “This is the best ladder on the market” is opinion. “This ladder is rated to hold 300 pounds” is a factual, testable claim, and that distinction is what separates an enforceable warranty from ordinary sales talk.
Can Advertising Create an Express Warranty
Yes. New York courts have long recognized that a manufacturer’s public advertising and label claims can create a warranty a consumer relies on, even where the consumer bought the product through a retailer rather than directly from the manufacturer.
The doctrine doesn’t require a face-to-face sale between the person making the promise and the person harmed by a broken one.
The line courts draw is between concrete, verifiable statements and vague enthusiasm. “This stroller is the most comfortable ride your child will ever experience” is puffery.
“This stroller has been tested to safely hold children up to 50 pounds” is a specific, testable claim about weight capacity, and courts look at whether the statement was definite enough that it had a real tendency to induce the purchase, not just whether the words sounded impressive.
When a device manufacturer advertises that its product “reduces the risk of complications by 50 percent based on clinical studies,” that’s a factual claim doctors and patients rely on, and if the device doesn’t deliver that benefit, the manufacturer may have breached a warranty on top of any other legal theory available.
Can Product Labels and Packaging Create a Warranty
Labels and packaging are one of the most common sources of express warranties, because they typically make specific written claims about ingredients, safety features, or performance. A package that says “100% cotton,” “BPA-free,” or “sterile” is making a factual promise about what the product actually is, not just describing it in passing.
Labels matter in a second way too. Under New York UCC § 2-314, goods sold by a merchant carry an implied warranty of merchantability, and part of that standard requires the goods to conform to any promise or affirmation of fact made on the container or label.
In practical terms, a label claim can support both an independent express-warranty theory and a separate merchantability argument, which matters because they have slightly different requirements and remedies.
Safety claims carry particular weight in injury cases. A label stating a product is “tested to 50,000 cycles,” “meets all current federal safety standards,” or “supports up to 300 pounds” creates a warranty about that specific performance level.
If the product fails and causes injury because it didn’t actually meet the stated specification, that gap between the label and reality can support a breach of warranty claim, alongside any defect-based product liability theory.
What Is the Basis of the Bargain
For a statement to create an express warranty, the buyer has to have been aware of it and relied on it, at least in part, when deciding to buy. This is called the basis of the bargain, and it doesn’t require proving the ad was the only reason you bought the product.
Courts generally ask whether the claim was specific enough to have a real tendency to induce a purchase and whether the buyer actually relied on it as part of the deal.
Timing matters here. A claim made on the package or in a brochure at the time of sale is clearly part of the bargain.
A claim added to a company’s website months after you already bought the product generally isn’t, since it couldn’t have influenced a purchase you’d already made.
You Generally Have to Notify the Seller
New York UCC § 2-607(3)(a) requires a buyer who has accepted goods to notify the seller of a breach within a reasonable time after discovering it, or reasonably should have discovered it, or be barred from a remedy entirely.
This notice requirement catches people by surprise more than almost any other part of warranty law, since it applies even where the seller was clearly at fault.
If you believe a product didn’t perform as promised, don’t wait to say something, even informally, once you realize there’s a problem.
How Does Federal Warranty Law Apply
State law isn’t the only source of warranty protection. The federal Magnuson-Moss Warranty Act regulates written warranties on consumer products and adds requirements on top of New York’s UCC provisions.
Under the Act, a “written warranty” specifically means a written affirmation of fact or promise that the product’s material or workmanship is defect-free, or will meet a specified level of performance, over a stated period of time, or a written undertaking to repair, replace, or refund if it doesn’t.
For products costing more than $15, the Act’s Disclosure Rule requires warranty terms to be spelled out in a single, plain-language document, and its Pre-Sale Availability Rule requires that document to be available to you before you buy.
A separate titling requirement, applying to products over $10, requires any written warranty to be designated as either “Full” or “Limited.” Where a written warranty exists, the Act also limits how far a manufacturer can disclaim implied warranties, and it allows a successful plaintiff to recover attorney’s fees, something New York’s own warranty law generally doesn’t provide on its own.
Separately, the Federal Trade Commission requires that advertising claims, including claims about a warranty’s scope and duration, be truthful and substantiated.
Does This Overlap With New York’s Consumer Protection Law
A label or ad that falls short of an enforceable warranty may still create exposure under a different statute, New York General Business Law § 349. As of February 2026, GBL § 349 prohibits unfair, deceptive, and abusive business practices, an expansion from the prior law, which addressed deceptive practices only.
How Does Breach of Warranty Work in an Injury Case
When a defective product causes injury, breach of express warranty is often pursued alongside negligence and strict product liability claims, not instead of them.
It has a real advantage: you don’t need to prove the manufacturer was careless or that the product was unreasonably dangerous, only that the manufacturer made a specific factual claim, you relied on it, and the product didn’t live up to it.
New York’s warranty law also extends this protection beyond the person who actually bought the product. Under UCC § 2-318, a seller’s warranty extends to anyone it’s reasonable to expect might use, consume, or be affected by the goods and who is injured as a result, which matters for a patient using a device someone else purchased, a family member, or another household user who wasn’t the one who made the purchase.
What Evidence Supports an Express Warranty Claim
Building this kind of claim depends on documenting the actual promise and connecting it to your purchase and your injury.
The original packaging, label, or product insert, ideally photographed, since companies sometimes change labels after problems surface.
Advertising and marketing materials, including screenshots of online product listings as they appeared at the time of purchase.
Written confirmation of any oral promises, such as a follow-up email summarizing what a salesperson told you.
Independent testing or expert analysis showing the product didn’t actually meet a specification the manufacturer claimed.
Medical records and documentation of the injury, connecting the warranty breach to the harm you experienced.
What Are New York’s Deadlines for a Warranty Claim
Breach of warranty claims under New York’s UCC generally must be filed within four years, under UCC § 2-725. That deadline usually runs from the date the product was delivered, not from when you discovered the problem, which can matter a great deal for a defect that doesn’t show up right away.
There’s a narrow exception when a warranty explicitly promises future performance, meaning it guarantees the product will keep working for a specific period, in which case the clock can start when the breach was discovered instead.
Because this deadline can run out well before an injury occurs, it’s worth having your situation reviewed promptly rather than assuming you still have time.
Frequently Asked Questions
Does a product have to be labeled “warranty” for an express warranty to exist?
No. New York law doesn’t require the word “warrant,” “guarantee,” or any formal warranty document. A specific factual claim about the product, whether on a label, in an ad, or from a salesperson, can create an enforceable warranty as long as you relied on it when deciding to buy. What matters is whether the statement was a verifiable fact rather than general opinion or sales talk.
What’s the difference between an express warranty and the implied warranty of merchantability?
An express warranty comes from something the seller actually said or wrote about the product. The implied warranty of merchantability exists automatically whenever a merchant sells goods, and requires the goods to be fit for their ordinary use and to conform to any promises made on the container or label. A single label claim can sometimes support both theories at once, but they have different legal requirements and can be disclaimed in different ways.
Do I have to tell the seller about a problem before I can bring a warranty claim?
Generally, yes. New York law requires a buyer to notify the seller of a breach within a reasonable time after discovering it, or the buyer can be barred from any remedy at all, even in a case where the seller was clearly at fault. This notice doesn’t need to be a lawsuit, just a reasonably prompt communication that something is wrong. Don’t wait to say something once you suspect a product didn’t perform as promised.
Can I bring a warranty claim if I wasn’t the one who bought the product?
Possibly. New York’s UCC extends a seller’s warranty to anyone it’s reasonable to expect might use or be affected by the product and who is injured by a breach of that warranty, not just the original purchaser. This can matter for a patient using a device bought by a hospital, a family member, or anyone else who used the product as intended. Whether it applies depends on the specific facts.
How long do I have to bring a warranty claim in New York?
Generally four years from the date the product was delivered to you, under New York’s UCC. That deadline usually doesn’t wait for you to discover a problem, unless the warranty specifically promised the product would keep performing for a set period of time. Because this can run out before an injury even happens, it’s worth having any potential claim reviewed as soon as possible.
This article is for informational and educational purposes only. It is not a substitute for medical advice from a qualified healthcare provider or legal advice based on your specific circumstances.
If a product’s advertising, label, or sales claims didn’t match reality and someone was hurt as a result, Porter Law Group can help you understand your options. Call 833-PORTER9, email info@porterlawteam.com, or visit porterprotects.com/contact.
