Kuwait Court of Cassation principle number 758

The issue of subject-matter or value-based jurisdiction. Considered always present in the proceedings and before the court of fact. The court must rule on it of its own motion even if it has not been pleaded before it. - The court’s determination accepting or rejecting a plea of lack of jurisdiction. Acquires res judicata effect even if contrary to public policy. Failure to appeal it. Its effect. It becomes protected by the force of res judicata, which prevails over public policy.