The doctrine discharges or limits a supplier's warning duty where the purchaser had independent knowledge of the risk and the ability to protect end users. It applies in commercial and industrial contexts.
It overlaps with the sophisticated employer and bulk supplier doctrines.
Alternative Names:
Sophisticated Buyer, Knowledgeable Purchaser
Why it Matters?
Establishing the purchaser's actual knowledge is the analytical work, and evidence includes the purchaser's own safety programs, industry publications it received, prior communications about the hazard, and the technical sophistication of its personnel. The doctrine works best where the purchaser is a large industrial operation with dedicated safety staff. It weakens substantially where the supplier's knowledge exceeded the purchaser's.
Frequently Confused with
Related terms
Frequently asked questions
What evidence establishes purchaser knowledge?
When does the doctrine weaken?
