Risk-Utility Test
Definition
A design-defect test that weighs the probability and severity of harm, the burden of adopting a safer alternative design, and the utility of the product. If the risks outweigh the benefits, the design is considered defective.
- Also called
- Risk-benefit test
- Weighs
- Probability and severity of harm against SAD burden and product utility
- Applies to
- Design defect claims in product liability engineering
- Outcome
- Defect found when risks outweigh benefits
Common questions
How does the Risk-Utility Test differ from the consumer-expectation test?+
The consumer-expectation test asks whether a product performed less safely than an ordinary user would expect. The Risk-Utility Test instead weighs quantifiable risk against design burden and is generally preferred for complex products where user expectations are unclear.
What kinds of evidence do engineers typically supply for this test?+
Failure mode analysis, injury data, cost estimates for alternative designs, and industry standard comparisons, all used to quantify the probability, severity, and feasibility factors the test weighs.
Does a product failing the Risk-Utility Test automatically mean the manufacturer is negligent?+
No. The test addresses whether the design itself was defective, which is a strict-liability question in many jurisdictions and distinct from proving the manufacturer's conduct was negligent.
Related terms
- Consumer Expectation Test
- A design-defect test asking whether the product failed to perform as safely as an ordinary consumer would expect when used in an...
- Design Defect
- A flaw present in every unit of a product because the product category itself was conceived in a way that made it...
- Failure to Warn
- A claim that the manufacturer failed to provide adequate instructions or warnings about a non-obvious risk, such that a user could not...
- Foreseeable Misuse
- A use of a product that the manufacturer could reasonably predict, even though it differs from the intended purpose. Courts may hold...
- Manufacturing Defect
- A deviation in a specific production unit from the manufacturer's approved design specification, occurring during manufacturing, assembly, or handling before sale. The...