It is considered a general principle that arbitration may be used to resolve almost any type of claim or dispute concerning legal rights. This has been referred to as a ‘presumption’ of arbitrability (see, for example, the comments of the Singapore Court of Appeal in Larsen Oil and Gas Pte v Petroprod). However, in most jurisdictions, including England and Wales, there are limits (or reservations) to that general principle, and, in accordance with the doctrine or principle of non-arbitrability, certain disputes may not be resolved using the arbitral process even if they fall within the scope of the relevant arbitration agreement (see, for example, the statement of the English High Court in RiverRock Securities v International Bank of St Petersburg). Nevertheless, while it is generally accepted that certain categories of disputes are arbitrable and some are not, the precise boundary between the two can be hard to draw. Indeed, the concept of arbitrability itself lacks precise definition. It has been referred to as ‘the susceptibility of a particular kind of dispute to a binding objective