The role of climate law in investment arbitration is a problematic issue. Even though environmental consciousness and sustainability are increasingly important in today’s world, and investment arbitration tribunals have also recently recognized the importance of adjusting investment law to support the goals of climate law, there seems to exist a clash between the two fields […]
Assessing and Forecasting Costs in Investment Arbitration
Many variables can influence the costs of investment arbitration. While the costs of parties’ counsel and the arbitral tribunal’s fees are far from trivial, other potential variables may be useful to assess and forecast the costs of investment arbitration disputes. In this post, we will explore how some variables may impact the parties’ overall costs […]
Denial of Benefits in Investment Arbitration
Many of the Multilateral and Bilateral Investment Treaties (BITs) concluded in recent decades contain a provision often referred to as a denial of benefits clause. Examples include the Netherlands Model BIT[1], the Comprehensive Economic and Trade Agreement between Canada and Europe (CETA)[2] and most notably the Energy Charter Treaty (ECT).[3] The aim of denial of […]
Customary International Law and Investment Arbitration
Customary international law plays a significant role in investment arbitration disputes. Parties frequently rely on customary international law as a secondary source of law under a bilateral investment treaty (BIT) or a State contract. In some cases, arbitral tribunals have accepted a more prominent role of customary law, i.e., as a self-standing source of international […]
Umbrella Clauses in Investment Arbitration
In investment arbitration, an umbrella clause can constitute an advantage for investors, protecting investments by placing obligations entered into by a host State of investment under the protective “umbrella” of an international treaty. By linking the violation of local law to the violation of a Bilateral Investment Treaty (“BIT”), contract claims may in particular be […]




