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Nuance’s new plan could fend off Carl Icahn

CEO Paul Ricci has made Nuance the dominant name in speech technology.

Dan Lamont

CEO Paul Ricci has made Nuance the dominant name in speech technology.

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Nuance Communications, the Burlington company behind Dragon software and Siri on the iPhone, has enacted a plan that would effectively prevent any outside investor from gaining 20 percent ownership. The move could block billionaire Carl Ichan from strengthening his control over Nuance. Icahn increased his stake in Nuance to 16 percent this month. Nuance said the implementation of its stockholder rights plan was not prompted by any individual or group.

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