the Philippines (2012), Patent Law of the Philippines (2012), Intellectual Property Law (2012), Ombudsman Law (2012), and the Uniform Rules on Administrative Cases in the Civil Service (URACCS) (2012). The books were published by Central Books. Constitutionalist He filed a leading constitutional test case in 2009, the case of Funa vs. Executive Secretary et al. wherein the Supreme Court En Banc, by a vote of 14–0 with Justice Renato Corona inhibiting, ruled that a department undersecretary may not concurrently hold another executive post. The Supreme Court said that Department of Transportation and Communications Undersecretary Ma. Elena H. Bautista cannot be head of the Maritime Industry Authority (MARINA) concurrently, as it would violate of Section 13, Article 7, of the 1987 Constitution. In Funa vs. Commission on Audit Chairman Reynaldo Villar, the Supreme Court En Banc, by a vote of 9-5 ruled that the appointment of COA Commissioner Villar as COA Chairman was unconstitutional for violating Section 1 (2), Article 9 (D) of the 1987 Constitution. The decision established a landmark ruling on the terms of office of members of constitutional bodies. Professor of Law He is professor of law at the De La Salle University College of Law. He occasionally delivers lectures under the Mandatory Continuing Legal Education program of the Supreme Court of the Philippines. Estrada plunder case In the Estrada case, the various criminal complaints against President Joseph Estrada which would eventuate as the charges in his plunder trial before the Sandiganbayan were filed with the Ombudsman while Estrada was still a sitting and an incumbent President of the Republic. In fact, some of the complaints were filed even before the impeachment trial started on November 20, 2000. Certainly much before the "second envelope" incident during the impeachment trial which galvanized an outraged nation into an EDSA II. The complainants were criminal justice advocate Dante Jimenez, human rights lawyer Romeo Capulong, noted trial lawyer Leonard De Vera, the late 1971 Constitutional Convention delegate Ramon A. Gonzales, lawyers Ernesto Francisco, Jr., Antonio T. Carpio (later Supreme Court Associate Justice), and Dennis B. Funa. One complaint which would be the core of the criminal charges against Estrada and which would ripen to Criminal Case No. 26558 was docketed as OMB-0-00-1756 (Romeo T. Capulong, Leonard de Vera and Dennis Funa vs. Joseph Ejercito Estrada, Dr. Luisa "Loi" Ejercito, Jose "Jinggoy" Estrada, Charlie "Atong" Ang, Delia Rajas, Eleuterio Tan, and Alma Alfaro;