The partner-in-charge of Cooley’s New York office, Jonathan Bach, has left the San Francisco-founded firm to join litigation boutique Shapiro Arato as a name partner.

With his addition this week, the 10-lawyer boutique has changed its name to Shapiro Arato Bach. Bach, 56, is married to Alexandra Shapiro, who founded the firm in 2009 along with Cynthia Arato.