“ Apple doesn’t often sue over patent rights, instead using them as a defense mechanism against lawsuits from companies like Nokia. But Apple uncharacteristically sued HTC over its Android phone innovations. Apple usually out-innovates its competition to the point where patents become meaningless, but having no other recourse but to sue HTC is a huge sign of weakness on its part.
http://tech.fortune.cnn.com/2010/10/19/why-does-android-have-steve-jobs-rattled/
