Courses Taught
Representative Publications

Research Interests:
International Law
Climate Change Law
Environmental Law

Office: 302 Malcolm Hall
Mail: College of Law, University of the Philippines, Diliman, Quezon City 1101
Tel: 920-5514

Assistant Professor of Law


Professor Casis received his LL.M from Columbia University in 2010, specializing in International Law, Climate Change Law and Environmental Law. He earned the distinction of being a Harlan Fiske Stone Scholar (magna cum laude equivalent). 

A member of the Order of the Purple Feather, UP Law's honor society, for all his years in law school, he graduated in the top ten of his class, receiving the Dean's Medal for Academic Excellence. He also received other distinctions upon graduation including the Maria Clara Lopez Campos Prize for Best Paper in Commercial Law, champion of the national rounds and being one of the ten best oralists in the world during the International rounds of the Philip Jessup International Law Moot Court Competition and being overall champion of the Asia Cup International Law Moot Court Competition. 

He has been teaching at UP Law since 2005 and became a full-time faculty member since 2008. As a working law student, he was a researcher for the Institute of Government and Law Reform and the Institute of International Legal Studies of the UP Law Center.

Prior to joining the full-time faculty, Professor Casis was an associate in the Manila office of Baker & McKenzie and was engaged in the corporate law practice for six years for high profile clients. His practice generally revolved around mergers and acquisitions, foreign investment structuring, real estate and property transactions and corporate governance and compliance.

Professor Casis has published four law treatises on Agency, Partnership, Damages and Torts. His latest book on Philippine Contract Law is published by Lexis-Nexis.



BA, University of the Philippines, 1995
LLB, University of the Philippines, 2001
LLM, Columbia Law School, 2010