International Decisions: Occidental Exploration and Production Company v. The Republic of Ecuador

Document Type


Publication Date

January 2005


Occidental v. Ecuador is the first claim under a bilateral investment treaty claim involving tax issues. This case comment analyzes the tribunal's award and offers a critique of both the analysis and the conclusion. This comment suggests that the tribunal may have gone further than necessary in its analysis of arbitrary measures impairing investment, failed to engage in a sector-by-sector analysis of national treatment, and compressed the analysis of separate rights into one broad test for evaluating fair and equitable treatment. The comment concludes that Occidental may best be understood as confined to its unique facts lest there be larger ramifications upon global investment and foreign relations.