The Review of Arbitrator’s Interpretation of International Contracts – Transnational Law as a Dangerous Short-Cut. Note regarding Swiss Federal Supreme Court Decision 4A_240/2009 - ASA Bulletin View The Review of Arbitrator’s Interpretation of International Contracts – Transnational Law as a Dangerous Short-Cut. Note regarding Swiss Federal Supreme Court Decision 4A_240/2009 by Jan Kleinheisterkamp - ASA Bulletin The Review of Arbitrator’s Interpretation of International Contracts – Transnational Law as a Dangerous Short-Cut. Note regarding Swiss Federal Supreme Court Decision 4A_240/2009 Jan Kleinheisterkamp 29 2 ASA Bulletin