Yahoo v. Facebook

Another day, another patent lawsuit in Silicon Valley. This time, Yahoo is suing Facebook for allegedly infringing on 10 patents issued Yahoo between 1999 and 2010. Just two months after naming their new chief executive, Scott Thompson, Yahoo claims the entire concept of Facebook is based on their patented social networking technologies. The suit comes just before Facebook's upcoming IPO, which puts the company in a vulnerable spot.

Read the whole story at the Washington Post