Kuwait Court of Cassation principle number 2995

The devolutive effect of appeal. Confined solely to the matters appealed against. Its necessary implication. A conclusive ruling that was not the subject of appeal. Acquires the force of res judicata, which prevails over rules of public policy. - A judgment on the merits. Necessarily includes an implicit ruling on jurisdiction. Confining the appeal to the judgment on the merits. Its effect. The implicit ruling acquires the authority of res judicata. This authority may not be disregarded on the assertion that it contravenes the rules of jurisdiction. The reason therefor.