Black spider memos By Sezendes Period: 2004 to 2005 The letters 2005 Guardian journalist Rob Evans applies to see the letters 2009 PM Gordon Brown blocks the disclosure of the letters 2010 Freedom of Information appeal Sep 20, 2012 Successful Upper Tribunal appeal Oct 5, 2012 Decision vetoed by Attorney General Dominic Grieve 2013 The Guardian’s legal challenge dismissed 2014 Appeal court rules AG’s decision unlawful Nov 24, 2014 Supreme Court hearing May 13, 2015 Publication of the letters