In the world of product liability litigation, the “failure to warn” claim is a well-worn path for plaintiffs. These allegations contend that a product’s warnings, labels, or instructions were insufficient, leading to injury or damages. For manufacturers and distributors, defending against such claims requires a deep understanding of both the legal principles and the practical realities of product use. At its core, the defense rests on demonstrating that the product provided reasonable and adequate information for its intended purpose, while pushing back against the notion that a company must warn against every conceivable, however remote, misuse.
The Legal Framework in Wisconsin
Wisconsin law addresses product liability, including failure to warn claims, under Wisconsin Statute § 895.047. A product can be deemed defective if “the foreseeable risks of harm posed by the product could have been reduced or avoided by the provision of reasonable instructions or warnings by the manufacturer…and the omission of the instructions or warnings renders the product…not reasonably safe.”
This statutory language establishes a few key elements that a plaintiff must prove:
- Foreseeable Risks: The risk of harm that allegedly caused the injury must have been something a manufacturer could reasonably anticipate. This does not mean that a manufacturer has a crystal ball to predict every possible scenario. The law focuses on what is reasonably foreseeable, not every flight of fancy.
- Reasonable Instructions or Warnings: The law does not require warnings to be encyclopedic. Instead, they must be “reasonable.” This is a context-dependent standard that considers the nature of the product, its intended users, and the clarity and placement of the warning.
- Causation: The plaintiff must demonstrate that the lack of an adequate warning was a direct cause of their injury.
Defending Against “Failure to Warn” Allegations: A Position of Strength
A strong defense against a failure to warn claim often hinges on two key pillars: adherence to regulatory standards and the principle of reasonable use.
Compliance with Regulatory Standards: In Wisconsin, there is a rebuttable presumption that a product is not defective if it complied in material respects with relevant standards, conditions, or specifications adopted or approved by a federal or state law or agency. Wis. Stat. 895.047(3)(b). While not an absolute shield, demonstrating that a product’s labeling and warnings meet or exceed government regulations is a powerful piece of evidence that the manufacturer acted responsibly.
The Limits of Foreseeability: Misuse of a Product: A manufacturer is not expected to warn against every potential misuse of its product, especially those that are unforeseeable or defy common sense. The law recognizes that users have a responsibility to exercise their own judgment and to use products in a manner consistent with their purpose. For instance, a kitchen knife manufacturer is not legally obligated to warn against using their product as a screwdriver. The potential for such misuse is not what the law considers a “foreseeable risk” that triggers a duty to warn.
The Halling & Cayo, S.C. Advantage
Navigating the complexities of a failure to warn lawsuit requires a law firm with a commanding grasp of both the legal statutes and the nuances of product liability defense. The business litigation attorneys at Halling & Cayo, S.C. are adept at dissecting these claims and building robust defense strategies.
We argue from a position of legal and practical strength, meticulously demonstrating that our clients’ products not only met all applicable regulatory standards but also provided clear, reasonable, and sufficient information for their intended use. We challenge the legally tenuous assertion that a manufacturer must anticipate and warn against every remote or unforeseeable misuse of a product.
If your business is facing a failure to warn or labeling dispute, you need a legal team that understands the intricacies of Wisconsin’s product liability laws and has the experience to vigorously defend your interests.
Don’t navigate these complex legal waters alone. Contact the business litigation attorneys at Halling & Cayo, S.C. today for a consultation.

David Seth Hill focuses his practice on securities litigation, construction litigation, and commercial litigation. Seth is a Shareholder at Halling & Cayo, S.C. and has been a licensed attorney for more than 15 years. He has experience handling a very broad range of civil litigation matters and has represented Clients throughout the State of Wisconsin, including individuals, small, and large businesses (including fortune 500 companies). He can be reached directly:
E-mail: dsh@hallingcayo.com
Phone: 414-271-3400
