Justice Marilyn B. Lagura-Yap was appointed to the Court of Appeals on February 3, 2012. She took her oath on February 23, 2012. Prior to her appointment, she was RTC Judge of Branch 28, Mandaue City for 12 years and Executive Judge for 8 years. Before becoming judge, she was a public prosecutor of Mandaue City for 10 years. Her first job as government lawyer was with RTC, Branch 22, Cebu City in 1985 as Research Attorney and in 1988 as Branch Clerk of Court.
In 2006, Justice Yap was a finalist in the Search for Judicial Excellence. In 2007, she was awarded as Outstanding Alumnus in the Field of Law by the University of San Carlos. In 2008, she delivered a lecture on the Salient Features of the Law on Trafficking in the Philippines (RA 9208) to students of the Department of Law, Stockholm University in Sweden as visiting professor of the College of Law of the University of San Carlos, College of Law under the Linneus-Palme Programme. In 2009, Justice Yap won the Search for Outstanding Gender Justice Award for the Visayas sponsored by the Philippine Commission of Women. In 2010, Justice Yap was part of the Philippine Delegation of judges who attended the Biennial Convention of the International Association of Women Judges (IAWJ), in Seoul, Korea. Last year, she attended the Roundtable Conference in Paris, France sponsored by the United Nations Environmental Program (UNEP) on Illegal Traffic of Ozone Depleting Substances. Last year too, Justice Yap was one of those conferred with the tatak UP Award in the field of Law and Public Service.