Allen & Overy (A&O) is to open its second office in the US, with the firm set to launch in Washington DC next month through a team hire from O’Melveny & Myers.

The magic circle firm will open in Washington on 18 July with the hire of O’Melveny financial regulatory partners Barbara Stettner and Chris Salter and counsel Charles Borden, who will join A&O as a partner.