Georgetown Law
Georgetown Law Library

International Investment Law Research Guide

This guide features resources on international investment law, in general, and investor-state arbitration, in particular.


International investment law governs foreign direct investment and the resolution of disputes between foreign investors and sovereign states. This guide identifies the best resources for locating primary and secondary materials related to international investment law, with an emphasis on bilateral investment treaties (BITs) and the arbitration of investor-state disputes

Key Resources for International Investment Law Research

  • Investment Arbitration Reporter (IAR)  Access articles and commentary about pending and recently concluded arbitrations, plus profiles of leading arbitrators.
  • Investment Claims  Access arbitral decisions and awards, bilateral investment treaties, and articles and book chapters on investment law.
  • Investor-State Law Guide (ISLG) Includes a database of investor-state dispute documents; analytical tools for researching arbitral decisions by topic or by treaty article; and a citator for determining whether arbitral decisions have been cited by tribunals in subsequent cases.

For more detailed information about the resources described above, see the Subscription Databases page of this research guide.

Research Assistance and Help with Related Topics

If you need assistance with international investment law research, visit the reference desk, located in the Reading Room on the second floor of the Williams Library.  Or contact the library's International and Foreign Law Department by phone (202-662-4195) or by email (  Students, faculty, and staff of the Georgetown Law Center may chat with a librarian online or request a research consultation.

For advice on researching the resolution of international commercial disputes between private parties, consult the Law Library's guide to International Commercial Arbitration.


Investment Arbitration

ICSID Arbitration Facility in Washington, DC
Source:  ICSID website

Questions? Need Help? Contact International Reference

International & Foreign
Legal Research

(202) 662-4195

Request a Research Consultation