Please keep in mind these patents are not so-called 'software patents'.

At Slashdot: Nokia Sues Apple For Patent Infringement In iPhone is a discussion about percentage of R&D in Apple compared to rest of market. Doesn't look good for Apple.

All too often, I've seen something which Apple marketing or Apple adepts claim Apple invented whereas they bought a corporation which invented and patented it, or other corporations have tried and failed to use the technology on the market, hence failed to innovate the market.

For example, when DEC and SGI went boom they sold a lot of their IP to competitors such as Intel and Nvidia, and often engineers also found a new home there. It may very well be possible an engineer who invented something at corporation X now works for their competitor corporation Y to innovate said invention, but that does not mean competing corporation Y invented the technology. Its the engineer, who did it under flag of corporation X. In case of Apple, many examples can be found by just taking a look at history of Nextstep/Openstep...