Facebook has denied Yahoo’s claims of Patent infringement and has responding by filing a countersuit against the internet search giant. The social networking site is claiming that Yahoo has infringed 10 Facebook patents.
Yahoo’s lawsuit against Facebook came at a fragile time for the company as the social networking site prepares for an initial public offering (IPO) which could potentially value the company at up to $100bn.
Now Facebook, which has more than 845 million users, in its countersuit, is claiming Yahoo is violating its’ patents including advertising, photo tagging and online recommendations.
In Facebook’s response to Yahoo’s lawsuit, the company accuses Yahoo of infringing on Facebook patents by way of the Yahoo home page, content optimization and relevance engine (C.O.R.E), the Yahoo Flickr photo sharing service, along with Yahoo Finance, sports, news, games, movies, shopping, travel, autos, and advertisements displayed throughout Yahoo.
The countersuit also points out that Facebook is the owner of the patent entitled "Generating a Feed of Stories Personalized for members of a social network."
Facebook claims that Yahoo is infringing upon that patent by violations such as "the Photostream, recent activity and groups activity on the Yahoo! flickr photo sharing service."
Yahoo says that Facebook’s suit is "without merit."
Facebook pushed Yahoo out of the No.1 spot last year in revenues for U.S. display advertising.
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