The season was formally opened on October 2, 2011[1] at the Smart Araneta Coliseum, and finished on August 5, 2012.

The season used three-conference format, starting with the Philippine Cup, or the traditional All-Filipino Conference.

The mid season Commissioner's Cup featured unlimited height limit for imports.

[2] Key transactions: Trades: The season began on October 2 with the Rain or Shine Elasto Painters defeating the Barangay Ginebra Kings, 94–93.

This conference features imports for each team, with an unlimited height ceiling.