Collateral attack, different parties, seldom an abuse - PricewaterhouseCoopers LLP v BTI 2014 LLC [2021] EWCA Civ 9 By No Author Selected PricewaterhouseCoopers LLP v BTI 2014 LLC [2021] EWCA Civ 9. The judgment considers the law on abuse of process in cases where there is no res judicata or issue estoppel…