Oak Investment Partners-backed Clarient (NASDAQ: CLRT) has agreed to be acquired by GE Healthcare in an approximately $580 million deal. Clarient shareholders will receive $5 in cash per common share and $20 in cash per preferred share. The company provides advanced oncology testing and diagnostic services and is being advised by Goldman Sachs and Latham & Watkins. GE Healthcare is being advised by JP Morgan and Sidley Austin. OIP acquired a 19.9% stake in Clarient by investing $50 million through a private placement of convertible preferred stock in March 2009.