Patent Litigation Strategy of Trolls and Its New Trend

With the worldwide rise of patent trolls and the legalization of its business,companies should be vigilant on the recent activities of patent trolls.In this paper,we first reveal the patent litigation strategies of patent trolls and characteristics of its distribution on the basis of related literature.And then we point out the three new tendencies of recent patent trolls that they are extending in company size,pooling the business and operating in collaborative mode.Finally,we provide countermeasures for China's companies to avoid the risk of litigation and respond to trolls' litigation attacks effectively