State immunity — Jurisdictional immunity — Employment — Employment at embassy — Dual German and Algerian national employed as driver at Algerian Embassy in Germany — Employment dispute — Whether Algeria entitled to immunity from jurisdiction of the German courts — EU Regulation No 44/2001 — Whether embassy to be treated as branch, agency or other establishment — Contractual clause giving exclusive jurisdiction to the courts of Algeria

Relationship of international law and municipal law — Effect of international law in the law of the European Union — International law on State immunity — Uncertain scope of international law — The law of the European Union