This study aims to summarize the ISD in the KORUS FTA and provide a comprehensive guideline for its use to Korean overseas investors. How to settle investment disputes directly affects the risk premium of investment and any overseas investor needs a proper guideline on the use of ISD, a universal tool for settling investment disputes in the contemporary business world.

In this light, this study begins with clear and comprehensive summaries and analysis of substantive and procedural rules of investment provisions of the KORUS FTA. On this base, check points on the use of ISD are derived and specific guidelines for its utilization are suggested for the benefit of investment companies considering investment or ISD claims in the United States.