The BWF Superseries, which was launched on 14 December 2006 and implemented in 2007,[4] was a series of elite badminton tournaments, sanctioned by the Badminton World Federation (BWF). BWF Superseries levels were Superseries and Superseries Premier. A season of Superseries consisted of twelve tournaments around the world that had been introduced since 2011.[5] Successful players were invited to the Superseries Finals, which were held at the end of each year.