 As a public interest lawyer, he was one of the Petitioners in the Supreme Court case of Topacio v. House of Representatives which questioned the so-called "One Hundred Thousand Peso Hocus-Bonus" of Congressmen in 1991, where he succeeded in having the members of the House return their "Christmas bonuses" and obtained a pronouncement from the Supreme Court that such "bonuses" cannot be granted to Congressmen.He was one of the Counsels of the City of Manila in the cases for the closure of nightclubs and beer houses in the Ermita-Malate District in 1992, and in the successful recovery from foreclosure of the historic Manila Metropolitan Theater.He was lead counsel for Camarines Sur Gov.