Short answers, pulled from the story.
Apple Corps filed the initial lawsuit in 1978 to protect its record label name from the computer manufacturer. The legal battle concluded in 1981 with an undisclosed payment of $80,000 to Apple Corps.
The addition of these features triggered a new lawsuit in 1989 because it violated the 1981 agreement prohibiting entry into the music business. A settlement reached in 1991 involved a payment of around $26.5 million to Apple Corps.
Company legal department worried that the name Chimes was too musical and would worsen the ongoing legal challenge. Reekes resubmitted the name as sosumi without informing lawyers that it sounded like so sue me.
The trial opened on the 29th of March 2006 before a single judge of the High Court in England. On the 8th of May 2006 the court ruled in favor of Apple Computer stating no breach of the trademark agreement had been demonstrated.
Newspaper accounts at the time stated Apple Computer was buying out Apple Corps' trademark rights for a total of $500 million. The settlement ended decades of litigation and allowed Beatles content to eventually appear on iTunes.