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Defective Products and Product Warranty Claims in Minnesota

81 Pages Posted: 15 Mar 2005  

J. David Prince

William Mitchell College of Law


Warranty law is an important supplement to tort law principles governing liability for defective products. Warranties arise from promises or assertions associated with either the sale of a product or some other transfer of a product for value. Such promises or assertions about a product may be express, made in the form of the seller's statements about the qualities or attributes of the product, or they may simply be implied as a matter of policy.

Although warranty law is generally regarded as part of the body of contract law, the origins of warranty lie in tort. Important developments in contract law form a critical part of the developmental history of products liability law. Once tort law rejected privity as a limitation on the negligence law duty to foreseeable victims of personal or property injuries resulting from defective products, contract law incorporated the idea of warranties implied as a matter of law to make product manufacturers strictly liable for harms caused by defective products. This led ultimately to the recognition that the manufacturer's strict liability was not based on an agreement between the manufacturer and the plaintiff but imposed instead by law for reasons of policy. [T]he liability is not one governed by law of contract but by the law of strict liability in tort.

Warranty law as it relates to the sale of products evolved as a matter of common law and then was eventually codified. In Minnesota, warranty law is expressed in chapter 336 of the Minnesota Statues, Minnesota's version of the Uniform Commercial Code (U.C.C.), and in judicial interpretations of that statute, particularly Article 2 governing the sale of goods. Additional important sources of warranty law in Minnesota include state statutes designed to protect consumers against certain deceptive and unfair trade practices and the federal Magnuson-Moss Warranty Act.

There is substantial similarity between Minnesota warranty law under the U.C.C. and products liability in tort, but there are also important differences.

Keywords: Warranties, products liability, torts

Suggested Citation

Prince, J. David, Defective Products and Product Warranty Claims in Minnesota. William Mitchell Legal Studies Research Paper No. 6. Available at SSRN:

J. David Prince (Contact Author)

William Mitchell College of Law ( email )

875 Summit Ave
St. Paul, MN 55105-3076
United States

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