Kuwait Court of Cassation principle number 1522

The judge's obligation to refrain from hearing the action. Its basis. His performance of an act that gives him an opinion on it, conflicting with the requirement that his mind be free of its subject matter. - A judge's previous hearing of the action that prevents him from rehearing it. What is meant by this: his previous issuance of a dispositive judgment or an interlocutory judgment on part of it, or his taking a measure therein that reveals his opinion or point of view. An example of the absence of the impediment in a judgment appointing an expert whose reasons contained no expression of opinion on the merits.