Allen & Overy announced Wednesday plans to open a new Washington, D.C., office. The firm will be adding three new partners to lead the new operation.

Barbara Stettner, Chris Salter and Charles Borden, previously with O’Melveny & Myers in Washington, will join Allen & Overy when the firm opens its newest office in mid-July. Stettner and Salter were partners at O’Melveny, and Borden was counsel.