Passbook, Apple's iOS app for collecting coupons, board passes and other digital cards, is now a registered trademark. The U.S. Patent and Trademark Office published the trademark registration Friday. This makes a clean sweep for the app, after its icon was trademarked by Apple earlier this month.
Apple had filed to trademark the app in 2012, just two months after unveiling Passbook during its annual June Apple World Wide Developer Conference.
Today's announcement comes as Apple continues efforts to trademark the term 'startup' as part of its retail services ahead of the expected September launch of the iPhone 5S/5C...