USPTO Upholds I4i Patent In Dispute With Microsoft

Law360, New York (July 27, 2010, 3:48 PM EDT) -- The U.S. Patent and Trademark Office has upheld the i4i LP patent at the center of a lawsuit with Microsoft Corp., finding all the challenged claims patentable and dealing Microsoft yet another blow in the dispute.

The USPTO issued a re-examination certificate Tuesday confirming the patentability of U.S. Patent Number 5,787,449, marking an end to the re-examination process Microsoft initiated after being sued by i4i in 2007, i4i said.

The decision marks yet another blow for Microsoft, which was ordered in August to pay $290 million...
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