Landmark cases on declaratory relief

Here's a list of landmark cases in declaratory relief under Rule 63. This list is updated from time to time.

[1] Ortega vs. Quezon City Government, G.R. No. 161400, September 2, 2005;
[2] Concha, Sr. vs. Lumocso, G.R. No. 158121, December 12, 2007;
[3] Martelino vs. National Home Mortgage Finance Corporation, G.R. No. 160208, June 30, 2008;
[4] Quisumbing vs. Garcia, G.R. No. 175527, December 8, 2008 En Banc;
[5] Ferrer vs. Roco, G.R. No. 174129, July 5, 2010;
[6] Republic of the Philippines vs. Mangotara, G.R. No. 170375, July 7, 2010; and
[7] Philippine Deposit Insurance Corporation (PDIC) vs. Philippine Countryside Rural Bank, Inc., G.R. No. 176438, January 24, 2011.