Despite concerns about the high cost of drugs, patents are not the primary cause. Congress has been focused on this issue for years, attempting various remedies. However, these efforts have been criticized as ineffective and misguided.
https://www.jdsupra.com/legalnews/drugs-may-cost-too-much-but-patents-are-4235704/
https://www.jdsupra.com/legalnews/drugs-may-cost-too-much-but-patents-are-4235704/