We still have two patents to challenge ARM don't we? The 336 and the 148.

Intel has struggled to compete against ARM-based processors, which are more energy-efficient than chips using the company’s x86 architecture — making them dominant in the mobile market. Microsoft Corp. /quotes/zigman/20493/quotes/nls/msft MSFT -0.30% , Intel’s longtime industry partner, is developing a version of its upcoming Windows 8 operating system for ARM-based systems, though the software will also support more traditional Intel chips.