These libraries serve as an important resource for in-depth research, particularly when dealing with more mature or exceptional cases. Employing the expertise of legislation librarians might also improve the research process, guiding the finding of specific materials.refers to regulation that will come from decisions made by judges in previous case

If that judgment goes to appeal, the appellate court will have the opportunity to review both the precedent as well as case under appeal, Possibly overruling the previous case legislation by setting a brand new precedent of higher authority. This may perhaps come about several times since the case works its way through successive appeals. Lord Denn