Denunciation, termination and survival: The interplay of treaty law and international investment law

Abstract

Recent developments in relation to the termination of international investment agreements (IIAs) raise a number of issues at the intersection of treaty law and investment law. This article examines some of the key aspects of treaty law as they relate to the termination of IIAs. The article addresses recent state practice in relation to the denunciation of or withdrawal from multi-party treaties related to investment including the ICSID Convention and the Energy Charter Treaty, leading to complicated questions about the effective date of termination and the implications for new or ongoing investment claims. The article also examines the unilateral termination of bilateral treaties, for exampl..