Today the U.S. Patent & Trademark Office published Apple's latest registered trademarks (RTM) for the OS X iBooks icon and "ResearchKit" that were officially granted on Tuesday. Apple updated the iBooks icon for OS X Yosemite back in 2014. On March 9, 2015, Apple announced ResearchKit, an open source software framework designed for medical and health research, helping doctors and scientists gather data more frequently and more accurately from participants using iPhone apps.
#1 iBooks Icon RTM Certificate
Apple filed their iBooks trademark under International Computers 009 as follows: "computer software for creating, authoring, distributing, downloading, transmitting, receiving, playing, editing, extracting, encoding, decoding, displaying, storing and organizing text, data, graphics, images, audio, video, and other multimedia content, electronic publications, and electronic games; electronic publishing software; electronic publication reader software; downloadable electronic books, magazines, periodicals, newsletters, newspapers, journals, and other publications; database management software; computer software for accessing, browsing and searching online databases; data synchronization software."
#2 ResearchKit RTM Certificate
Apple filed their ResearchKit trademark under International Computers 009 as follows: "Computer software used in developing other software applications; application development software"