From the article "In particular, Apple cites patents issued in 2009 and 2010 that cover the physical design of the iPhone along with various trademarks for its

From the article "In particular, Apple cites patents issued in 2009 and 2010 that cover the physical design of the iPhone along with various trademarks for its app icons." It looks like this is more around form factor which is on Samsung, and only slightly related to screen UI.