Kuwait Court of Cassation principle number 4481

Judgments having acquired res judicata authority. They are conclusive as to the dispute they have determined, and no evidence rebutting this presumption may be admitted. The condition thereof: the dispute must be between the same parties without any change in their capacities, and must concern the same right in subject matter and cause. The consequence thereof. The judgment does not acquire res judicata force in respect of the dispute before the court unless the parties in both actions are identical. - A judgment that an action may not be heard because it has previously been adjudicated. Its condition. Identity of subject matter, parties, and cause. - Assessing the difference in subject matter between the two actions when determining the plea that the action may not be heard because it has previously been adjudicated. Within the authority of the court determining the merits whenever its inference is reasonable.