Arbitration — In general — Law applied by arbitral tribunals — Principles of equity.

Arbitration — Procedure — Procedure before Tribunal — Principle of estoppel.

Arbitration — In general — Conception and function of arbitration — Appeal to Arbitral Commission from decision of municipal court — Selection of applicable law — Arbitral Commission on Property, Rights and Interests in Germany — Competence to fix royalties for exploitation of patent and other terms.