The BWF Superseries, which was launched on 14 December 2006 and implemented in 2007,[3] is a series of elite badminton tournaments, sanctioned by the Badminton World Federation (BWF). BWF Superseries levels are Superseries and Superseries Premier. A season of Superseries consists of twelve tournaments around the world that have been introduced since 2011.[4] Successful players are invited to the Superseries Finals, which are held at the end of each year.