Vicente Villaflor v. Court of Appeals

Summary

Vicente Villaflor challenged the validity of his 1950 deed of relinquishment of rights over 140 hectares of agricultural land to Nasipit Lumber Co., claiming non-payment of consideration and seeking recovery of possession. The Supreme Court dismissed his petition, applying the doctrine of primary jurisdiction to uphold administrative agency findings that the land was public domain, the contracts were valid with proven consideration, and Nasipit Lumber was qualified to acquire the land. The Court emphasized that specialized administrative agencies have primary jurisdiction over public land matters, and their factual findings deserve great respect when supported by substantial evidence. The case demonstrates the binding force of administrative determinations in public land disputes and the finality of factual findings when consistently upheld across judicial levels.