Precedent set by previous cases Obiter dicta only has persuasive value Stare decisis Let the decision stand Two
requirements In point Binding Donoghue v Stevenson 1932 AC 652 What is the ratio decidendi of this case?
Institutional writings
Written during period of development in Scots law 17-19th
centuries Eminent scholars elucidated rules of Scots law No
additions can now be made Erskine, Stair, Hume, Bell etc.
Custom
Important in international law Determination of legal rules through
examination of accepted conduct Udal law a possible example?
Particularly important for private international law Merchants’ practices
influenced law
Equitable jurisdiction
Equity does not exist in Scotland as such However, declaratory power vested in Court of Session
and High Court Nobile officium Wan Ping Nam v Minister of Justice of German Federal Republic
1972 S.L.T. 220