On the other hand, that drop in sales offered a stark indication that for years Purdue had been deriving a quarter of its revenue on the highest dose of OxyContin from the black market. The company studied the phenomenon; Richard complained about the “sudden decline” and wanted to know what “corrective actions” could be taken. According to court documents, Purdue concluded, internally, that the lost profit could be attributed in significant measure to a “reduction in medically unnecessary prescriptions.”
