The California Supreme Court recently formally adopted the sophisticated intermediary doctrine as described in the Restatement of Torts.Under this rule, a supplier may discharge its duty to warn end users about known or knowable risks in the use of its product if it (1) provides adequate warnings to the product’s immediate purchaser, or sells to a sophisticated purchaser that it knows is aware or should be aware of the specific danger, and (2) reasonably relies on the purchaser to convey appropriate warnings to …