Enlarge / PURDUE PHARMA, STAMFORD, Conn. - 2019/09/12: Members of P.A.I.N. (Prescription Addiction Intervention Now) and Truth Pharm staged a protest outside Purdue Pharma headquarters over the recent, controversial opioid settlement. (credit: Getty | Erik McGregor) The Department of Justice is fighting to strip the billionaire Sackler family of the sweeping legal immunity granted as part of a controversial $4.5 billion opioid settlement. The department filed a motion late Wednesday to block the implementation of the settlement until appeals can be heard in a higher court.