In the law firms Akerman LLP, a Miami-based firm that opened an office here with eight lawyers in February, added three partners, bringing its Chicago office to 18 lawyers. Litigator Christine S. Bautista was previously an assistant U.S. attorney in the Central District of California.Carolyn V. Metnick, who represents health-care companies on business and transactional issues, joined from Barnes & Thornburg LLP.Michael L. Molinaro represents financial institutions in the firm’s bankruptcy and …