Last month, Yahoo set off a bomb when it sued Facebook for alleged patent infringement. Today, Facebook fired back, denying that it violated any patents and claiming that ten of its own were infringed by Yahoo.
Here's what Facebook alleges.
Facebook says a wide variety of Yahoo services infringe its patents, including its Flickr photo sharing system. According to Facebook's countersuit, those servies include:the Yahoo Home Page, Yahoo's Content Optimization and Relevance Engine ('C.O.R.E.'), [Flickr], and advertisements displayed throughout Yahoo Including on My Yahoo, Yahoo Finance, Yahoo Sports, Yahoo News, Yahoo Games, Yahoo … Read more