Christian Cantrell originally shared a post highlighting this NYTimes article on patents:
In the smartphone industry alone ... as much as $20 billion was spent on patent litigation and patent purchases in the last two years ? an amount equal to eight Mars rover missions. Last year, for the first time, spending by Apple and Google on patent lawsuits and unusually big-dollar patent purchases exceeded spending on research and development of new products, according to public filings.
Article: In Technology Wars, Using the Patent as a Sword