So far, the Tribunal has exercised jurisdiction on the determination of the nature of disputed features (see Article 121) such as Scarborough Shoal as well as mischief, Gaven, McKennan, Hughues, Johnson, Cuarteron and Fiery Cross reefs; the environmental impact of China’s activities near Scarborough and Second Thomas shoals; and aggressive maneuver against Filipino vessels near the Scarborough Shoal.
Though China has formally boycotted the arbitration proceedings at The Hague, and has vigorously argued against compulsory arbitration (under Art. 287, Annex VII of UNCLOS), the Arbitral Tribunal at The Hague provided the Philippines an unprecedented opportunity to leverage the UNCLOS as a basis to resolve maritime disputes in one of the world’s most critical Sea Lines of Communications (SLOCs).
With the jurisdiction hurdle out of the way, the Philippines’ case has paved the way for other claimant states to consider similar options. As an indication of the possibility for a ‘lawfare multiplier’, Indonesia, Vietnam, and Japan have contemplated the option of taking China to international court over disputes across the Western Pacific. Even if they don’t actually file a case, they can extract concessions from China by simply threatening to do so.
More importantly, a favorable ruling (to the Philippines) could provide the legal pretext for other major powers such as America, Japan and other likeminded states to conduct sustained, multilateral Freedom of Navigation Operations (FONOPs) across the disputes waters.
The Philippines and its allies also hope that the tribunal will also pass a favorable verdict on key items such as the validity of China’s expansive nine-dashed-lien claims and (newly-concocted) doctrine of historical rights, which many objective observers believe are not consistent with prevailing international law.
What is at stake here is no less than protecting global commons under the auspices of international law. The alternative is the tragedy of great power politics and the rule of the jungle in high seas.
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