John Lee has returned to McDermott Will & Emery as a partner in its Silicon Valley office. Lee previously worked for Sonnerschein, where he was a partner with Yar Chaikovsky, who also joined McDermott’s Silicon Valley office in December.

Lee’s practice focuses on intellectual property litigation. He was previously an associate at McDermott from September 2004 until January 2008. McDermott’s IP department includes more than 180 lawyers and patent agents.