In 2005, Microsoft sued Google for hiring one of its previous vice presidents, Kai-Fu Lee, claiming it was in violation of his one-year non-compete clause in his contract. Mark Lucovsky, who left for Google in 2004, alleged in a sworn statement to a Washington state court that Ballmer became enraged upon hearing that Lucovsky was about to leave Microsoft for Google, picked up his chair, and threw it across his office, and that, referring to then Google Executive Chairman Eric Schmidt (who had previously worked for competitors Sun and Novell), Ballmer vowed to "kill Google." Lucovsky reports: