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Summary Box: Microsoft sells patents to Facebook

The Associated Press

CHANGING HANDS: After buying patents from AOL for $1 billion, Microsoft is selling most of them to Facebook for $550 million.

EXCHANGE: Facebook will also get a license to use the rest of the AOL Inc. patents that Microsoft bought. Similarly, Microsoft Corp. will get a license to use the patents Facebook is buying.

WHAT THIS MEANS: Microsoft gets to recoup some of its costs, and Facebook continues to build its portfolio of intellectual property to thwart lawsuits.