Yahoo Adds Patents to Facebook Suit

    In this photo taken on Dec. 1, 2010, an employee leaves a Yahoo headquarters building in Sunnyvale, Calif. Yahoo is reducing its work force by 4 percent and as it hands out 600 layoff notices for the holidays. The job cuts announced Tuesday Dec. 14, 2010 follow weeks of speculation about whether a long-running financial funk would spur Yahoo to trim its payroll before the new year. (AP Photo/Paul Sakuma)

    Paul Sakuma / AP Photo

    An intellectual-property war between two of America’s tech giants is heating up as Yahoo added two more patents to its suit against Facebook on Friday. “Today’s filing underscores the breadth of Facebook’s violation of Yahoo's intellectual property,” a Yahoo spokesman told reporters. The suit was first filed last month, and Facebook immediately countersued. Facebook has escalated its efforts to stockpile patents recently, snatching up $550 million in AOL patents, as well as hundreds of IBM patents. Yahoo says Facebook broke an understanding that the companies would talk over infringement issues before taking them to court.

    Read it at Los Angeles Times