Source: Apple v. Samsung [PDF]
quote: Apple does not need to defend the "slide to unlock" patent. They should just let it go and see who is fit to compete against their iPhone or iPad
quote: If not, it gives you a patent. Now another party may argue that the USPTO was wrong, but the only way to deal with that is to ignore the patent, work around it, or sue.
quote: Ok, so what happens if the patent is for something that already exists?