Microsoft sues over Google hire

Opening a new chapter in its rivalry with Google, Microsoft on Tuesday sued the search giant and a former Microsoft executive who has been tapped by Google to run its China operations.

The suit was filed in a Washington state court against Google and Kai-Fu Lee, who until Monday was the corporate vice president of Microsoft's Interactive Services Division.

Google said earlier Tuesday that Lee was joining the company and would head up a new research effort in China.

"Accepting such a position with a direct Microsoft competitor like Google violates the narrow non-competition promise Lee made when he was hired as an executive," Microsoft said in its lawsuit, which was seen by CNET News.com. "Google is fully aware of Lee's promises to Microsoft, but has chosen to ignore them, and has encouraged Lee to violate them."

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