Joint Defense Group Gemeinsame Verteidigungsgruppe Joint Defence Group Grupo de Defensa Conjunta Grupo de Defensa Conjunta Groupe de défense conjoint קבוצת הגנה משותפת संयुक्त रक्षा समूह 共同防衛グループ Grupo de Defesa Conjunta 联合防御组 A group of parties who participate in a Joint Defense Agreement, usually separate parties (though in a similar position) who are defendants in a civil lawsuit.