Justice Japar Babay Dimaampao served as an Associate Justice of the Court of Appeals (CA) for more than 17 years and was the Chairperson of the its 3rd Division before his appointment as the 191st Associate Justice of the Supreme Court.
He previously served as a Legislative Staff Office and as a Political Affairs Assistant IV at the House of Representatives; as a court attorney at the CA; as a Senior State Prosecutor at the Department of Justice; and then as Presiding Judge of Branch 208 and as Executive Judge of the Regional Trial Court of Mandaluyong City. He was promoted to the Court of Appeals on April 2, 2004.
A graduate of the University of East College of Law, Justice Dimaampao is a certified public accountant and has taught Civil Law, Commercial Law, and Taxation at his alma mater and at the San Beda University College of Law (Mendiola and Alabang), the University of Santos Tomas (UST) Faculty of Civil Law, De La Salle University College of Law, and Pamantasan ng Lungsod ng Maynila, among others. He was likewise a bar reviewer at the Magnificus Bar Review Center, the University of San Carlos in Cebu, UST Faculty of Civil Law, San Beda University, and San Sebastian College – Recoletos.
He was the 2013 and 2016 Bar Examiner in Civil Law, and the 2019 Bar Examiner in Taxation. He was also the 2006 Shari’ah Bar Examiner on Succession, Wills, Adjudication and Settlement of Estate, and was the Chairperson of the 16th Special Shari’ah Bar, held in 2020.
Justice Dimaampao was the Chairperson of the CA’s Committee on Rules/Raffle, Committee on Inventory and Audit of Caseload of Retiring Justices, and Committee on Travel. He served as Vice Chairperson of the Supreme Court’s Sub-Committee on Special Commercial Courts. He is likewise a Professorial Lecturer II at the Department of Shari’ah and Islamic Jurisprudence of the Supreme Court’s Philippine Judicial Academy.
He has authored several books on Taxation and Commercial Law, and was a Pedro Concepcion Professorial Chairholder for Commercial Law and the 2018 Metrobank Foundation Professorial Chairholder in Taxation Law. Justice Dimaampao is also a member of the Committee on Bar Examinations in Commercial Law and Taxation.
Born in Marawi City, Lanao del Sur on December 27, 1963, Justice Dimaampao is happily married to Maria Gina Perez Villapañe.