Separation of Powers 11

• Philippine Telegraph & Telephone Corp. vs. Smart Communications, Inc. Nov 9, 2016
• Arigo v. Swift Sep 16, 2014
• Republic of the Philippines vs. Bayao et al. Jun 5, 2013
• Hilario Davide Jr. v. House of Representatives Nov 10, 2003
• Estrada v. Desierto Mar 2, 2001
• Integrated Bar of the Philippines vs. Zamora, Lacson, Aglipay and Reyes Aug 15, 2000
• Echegaray v. Secretary of Justice Jan 19, 1999
• Philippine Constitution Association vs. Hon. Salvador Enriquez (and consolidated petitions) Aug 19, 1994
• Dra. Brigida S. Buenaseda, et al. vs. Secretary Juan Flavier, Ombudsman Conrado M. Vasquez, and NCMH Nurses Association Sep 21, 1993
• Madzimbamuto vs. Lardner-Burke Jul 23, 1969
• Jose A. Angara vs. Electoral Commission, Pedro Ynsua, Miguel Castillo and Dionisio C. Mayor Jul 15, 1936