A 65-page document recently filed in Australia by Apple in the Samsung patent case says that not only does Apple own "a thicket of patents" (which I'll guess just means "a whole lot"), but that Apple is willing to license some of its patents, while still keeping others for itself.
According to FOSS Patents' Florian Müller, Apple does have an extensive set of patents for its mobile devices. But rather than companies like Microsoft, who will often nail down patents only to make as much money as possible licensing them out to other hardware companies, Apple prefers to hold patents in order to differentiate its d