Yahoo claims Facebook bought patents to countersue it



    Facebook purchased in the last five months eight of ten patents it has cited in a counterclaim to a patent infringement lawsuit filed by Yahoo, and several were purchased after Yahoo filed the suit, the Internet portal claimed in a filing on Friday before a federal court. Yahoo has also alleged that Facebook has infringed two more of its patents in addition to the ten patents it sued for last month. Facebook denied earlier this month    Readmore...