Introduction

The submission and admission of amicus curiae briefs in international investment arbitration proceedings is a recent trend and heavily contested. This article will not focus on the theoretical questions of whether amicus curiae participation is desirable in or compatible with international investor-state arbitration. It will rather examine the existing practice of dealing with amicus curiae submissions and their human rights related contents. The aim is to evaluate whether these written statements by various civil society actors are an effective means for promoting human rights ...