International Investment Law
Reclaiming Authority in Investment Arbitration: Joint Interpretations in International Investment Agreements and Investor-State Dispute Settlement
By Adamant Aldo Ruddyard, Diego Flávio Fontoura José, Sidney Tambasi Netya
Supervisor: Prof. Fuad Zarbiyev
Prepared for the South Centre as part of the Geneva Graduate Institute’s LL.M. Legal Clinic Programme, International Economic Law Stream
In order to analyze to what extent joint interpretations of international investment agreements (IIAs) influence the decision-making of arbitration tribunals in investor-State dispute settlement (ISDS), this report will explore the evolving role of joint interpretations in international investment law and their impact on the balance of power between States and arbitral tribunals. The first section examines the shift towards joint interpretations and State control, highlighting key developments in treaty design and the increasing use of joint interpretation clauses (JICs) and how they potentially reshape investment tribunals’ decision-making. The second section delves into the characteristics and benefits of joint interpretations, discussing their effectiveness in addressing ambiguities in investment treaties and their potential outcomes to investment arbitrations. Finally, the report will conclude by offering recommendations for enhancing the role of joint interpretations in the investment arbitration framework. The recommendations will address the challenges States face in ensuring the effective use of these mechanisms, proposing ways to integrate JICs into the broader reform efforts of international investment law.
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Beyond Amicus Curiae: Rethinking the Role of Third-Party Participation in Investment Arbitration and Environmental Governance
By Paulina Kuehme, Lakshmi Swathi Ganti, Brian Kelly Nyaga, Mattia Semenza
Supervisor: Prof. Elena Cima
Prepared for the South Centre as part of the Geneva Graduate Institute’s LL.M. Legal Clinic Programme, International Environmental Law and Governance Stream
This document examines third-party participation in Investor-State Dispute Settlement (ISDS), with a particular emphasis on environmental considerations. It investigates how to ensure procedural fairness and enable meaningful involvement of affected communities in cases concerning environmental protection. The study assesses the scope and challenges of such participation, including the ability to present evidence and legal arguments related to environmental impacts. It also explores the potential role of third-party involvement in shaping counterclaims against investors for environmental damage, and its possible influence in mitigating compensation by introducing arguments and evidence related to environmental costs. Through this analysis, the project aims to support a more balanced and sustainable ISDS framework – one that protects both investors and the environment – while fostering community empowerment and strengthening accountability for environmental harm.
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The South Centre: 30 Years Advancing towards a Fair and Responsible International Investment Regime
By Daniel Uribe
This paper examines the South Centre’s 30-year effort to reform the international investment law (IIL) regime, advocating for a shift from a self-contained system to one integrated with human rights, environmental protection, and sustainable development. It analyses how the Investor-State Dispute Settlement (ISDS) mechanism has led to “regulatory chill” and legal fragmentation, disproportionately impacting developing nations. The South Centre promotes aligning investment with national development strategies through technical assistance, treaty renegotiation, and policy frameworks that emphasise investor obligations and State sovereignty. Ultimately, the paper calls for a paradigm shift in global governance to address emerging challenges such as climate change and the digital divide, thereby ensuring a more equitable and responsible investment landscape.
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Investor Obligations in International Investment Law
by David Cheng, Jai Abhijit Unde, and James Casey Ryan
Prepared for the South Centre as part of the Geneva Graduate Institute’s LL.M. Legal Clinic Programme
This report first outlines key instruments and different approaches that some States across Africa, Asia, Europe and the Americas have taken to reform the international investment regime in relation to investor obligations. Second, it charts the trends arising from investment tribunals following Urbaser across environmental and human rights cases. Third, it describes and evaluates the reform efforts at the multilateral level. Finally, it summarises and evaluates avenues for policy reform by States.
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