The development of international investment law dates back to the colonial era and has its origins in the minimum standard of customary international law. At the IILCC, we explore the historical development of investment protection law - from its origins in customary international law to its formulation in modern treaties and arbitral awards.

• The Krickenbecker Kreis, an annual conference organized by the IILCC and the University of Siegen, brings together international investment law scholars and practitionersto discuss current developments in investment law. 
• The handbook by Prof Dr Marc Bungenberg, LL.M., Prof Dr Jörn Griebel, D.E.S., Prof Dr Stephan Hobe, LL.M., Prof MMag Dr August Reinisch, LL.M. provides a comprehensive overview of key developments and cases of international investment law.
• The book ‘Evolution, Evaluation and Future Developments in International Investment Law’ was published to mark the 10th anniversary of the IILCC.