Of course the Sync data has long been Apple's patent, but it is specified how to work behind the scenes and details clearly differs from the common system patented until.
Of course, the Data Sync is a long time. However, Apple's patent is assigned to the background. And details that clearly different from conventional systems patented.
Of course, the Sync data is for a long time. But the patent of Apple has identified how to work behind the scenes. Detailed and clearly different from the general system and patented.