How much foreign ownership is allowed for mining companies in the Philippines? The Supreme Court again discussed this issue in a recent ruling denying a motion for reconsideration filed by certain mining companies in the Philippines. The controversy is anchored on the requirement that mining, among other activities, is reserved by the Constitution — the highest law of the land — for Filipinos. Sec. 2, Art. XII of the Constitution, which provides that the exploration, development, and utilization of of natural resources is reserved to Filipinos, whether natural persons or juridical persons. Filipino juridical persons refer to “corporations or associations at least sixty per centrum of whose capital is owned by such citizens.”