The Canadian maker of the wireless email device in March agreed to pay $450 million to settle the claims of NTP, a company which manufactures nothing and instead makes its way in the world by asserting rights in old patents. Not all is sweetness and light, however: “Critics of the patent system maintain that these companies — called ‘patent trolls’ by their detractors — rely on excessively broad patents, particularly for software, that should never have been granted in the first place.” For more on the controversy over patent-licensing firms, see various posts on our technology and intellectual property page. (Ian Austen and Lisa Guernsey, “A Payday for Patents ‘R’ Us”, New York Times, May 2).
