> Surely you don't need anything from them to design a chip from scratch that implements the same instruction set, as Cyrix and AMD famously did to the ia32. C

> Surely you don't need anything from them to design a chip from scratch that implements the same instruction set, as Cyrix and AMD famously did to the ia32. Cyrix and AMD had licenses to do so, ultimately deriving from a time when Intel needed second sources of their CPUs in order to win defense contracts.