Dispute settlement Panels and the Appellate Body of the World Trade Organization (WTO) have long been criticised for a ‘textual’ approach to treaty interpretation which focuses too much on the ordinary meaning of treaty provisions. Arguably this approach responded to fears of judicial activism and overreach by the judicial bodies which in turn may encroach upon sovereignty and national autonomy of WTO Members. In some decisions however, especially the Appellate Body has taken a more pro-active role, using for example object and purpose of the WTO Agreements to fill gaps and clarify ambiguities. For example in the famous US – Shrimp dispute, the Appellate Body emphasised that the sustainable development objective enshrined in the WTO preambl...