Microsoft has agreed to sell on around 650 patents to Facebook in a deal worth $550 million. The Haüs of Zuckerberg will stump up the cash in exchange for various social networking patents that were registered by AOL (disclaimer: Engadget's parent company) and sold to Redmond for $1 billion a fortnight ago. Microsoft will hold onto the remaining 275 in its portfolio and cross-license those that it's sold on, but not the 300 patents that AOL licensed but kept hold of. The social network will likely utilize the portfolio to better defend itself from litigation like the lawsuit brought by Yahoo back in March. If you're interested in reading the phrase "protect Facebook's interests over the long term," then head past the break for the official word from the men who invented poking.

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Facebook paying Microsoft $550 million for 650 patents, Ballmer clicks 'like' originally appeared on Engadget on Mon, 23 Apr 2012 12:25:00 EDT. Please see our terms for use of feeds.