PRO DEFECTU JUSTITIAE by Law Professor For defect or want of justice. Fleta, lib. 2, c. 62, 2. Related Posts:EX DEBITO JUSTITIAEBREVE JUDICIALE NON CADIT PRO DEFECTU FORMAEFESTINATIO JUSTITIAE EST NOVERCA INFORTUNIIOFFICINA JUSTITIAELATENT DEFECTHIDDEN DEFECT