February 1, 2012 - New residency deadline for candidates seeking election to the Texas House and Texas Senate.
February 1, 2012, 6:00 p.m. - New deadline of court-ordered reopened filing period, in which candidates for all offices have the opportunity to amend, withdraw or file a new application for the ballot.
February 3, 2012 - New deadline for County Executive Committees to conduct drawing for candidate order on ballot.
April 3, 2012 - Date of the 2012 General Primary Election.
April 14 or April 21, 2012 - Date of County and Senatorial District Conventions, as determined by the State Chair of each political party.
June 5, 2012 - Date of the 2012 General Primary Runoff Election.
UPDATE: To answer questions , the filing period is open until 6 p.m. on December 19. It then closes but will be reopened once legislative and congressional maps are settled. It then will re-close on February 1 @ 6 p.m.