Challenges Ahead of Human Rights Development in International Investment Law

BITs and practice of investment arbitration tribunals have taken steps to reinforce human rights in international investment law, although it will be gradual and requires cooperation with contracting parties and efforts at the international level. This paper adopts a descriptive- analytical method and tries to provide solutions to overcome the obstacles that hinder human rights development by pointing to these challenges in the international investment law system.Research findings indicate that international investment law has paid attention to human rights in the way of promoting international investment flow. Despite development and promotion of human rights and human rights obligations in the international investment law in the last few decades, this issue has always been facing challenges and obstacles. The challenges have political and jurisdiction nature, and require different decisions in the same cases. It seems that solutions such as the codification of a multilateral international treaty on foreign investment, and awards rendered in accordance with the human rights obligations and arbitral practice could address the mentioned challenges.