United Nations Convention on the Law of the Sea---jurisdiction and admissibility--nonparticipation of a party--South China Sea claims, activities, and maritime features.

The article focuses on the In re Arbitration Between the Philippines and China case. Topics discussed include arbitral tribunal (Tribunal) constituted under the 1982 United Nations Convention on the Law of the Sea (UNCLOS); questions of jurisdiction and admissibility in the case; and violation by China of UNCLOS by building artificial islands, harming the marine environment, and interfering with the Philippines' rights concerning resource exploitation and navigation.