Xerox, Others Beat Scanner IP Claims By 'Patent Troll'

Law360, Los Angeles (August 13, 2015, 9:44 PM EDT) -- Xerox Corp., Lexmark Corp. and Ricoh Americas Corp. won their bid to undo a so-called patent troll's patent for document scanning Wednesday when the Patent Trial and Appeals Board ruled eight of the invention's claims unpatentable.

Nonpracticing entity MPHJ Technology Investments LLC, once called a "patent troll" by Vermont's attorney general, was unable to persuade the board that the claims in its patent didn't just combine decades-old prior art, according to a decision handed down by PTAB.

The board found that two older office-equipment inventions known as Motoyama and Harkins covered the same ground in MPHJ's claimed technology and that it...

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