It was only a matter of time before the reigning champions of class action litigation, Seattle-based Hagens Berman Sobol Shapiro jumped into the Bear Stearns fray. The firm filed suit against the (former) investment giant saying that employees were blindsided the company sold out to J.P. Morgan at $10 a share, a fraction of where shares were valued the weekend before the sale. As a result, retirement plans heavy on the company stock options plummeted, Hagens Berman claims.