When Apple announced last year that all iPhones would come with a voice-activated assistant named Siri, capable of answering spoken questions, Michael Phillips???s heart sank.
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For three decades, Mr. Phillips had focused on writing software to allow computers to understand human speech. In 2006, he had co-founded a voice recognition company, and eventually executives at Apple, Google and elsewhere proposed partnerships. Mr. Phillips???s technology was even integrated into Siri itself before the digital assistant was absorbed into the iPhone.
But in 2008, Mr. Phillips???s company, Vlingo, had been contacted by a much larger voice recognition firm called Nuance. ???I have patents that can prevent you from practicing in this market,??? Nuance???s chief executive, Paul Ricci, told Mr. Phillips, according to executives involved in that conversation.
Mr. Ricci issued an ultimatum: Mr. Phillips could sell his firm to Mr. Ricci or be sued for patent infringements. When Mr. Phillips refused to sell, Mr. Ricci???s company filed the first of six lawsuits.