Add Pillsbury Winthrop Shaw Pittman to the list of firms doing business in Abu Dhabi.

The firm announced Wednesday it is opening a new office — its 15th — in the oil-rich capital of the United Arab Emirates. In making the move, Pillsbury joins the growing ranks of law firms — others include Allen & Overy, Clifford Chance, DLA Piper, Freshfields Bruckhaus Deringer, Hogan Lovells, Linklaters, and Vinson & Elkins — with outposts in what is one of the wealthiest cities in the world.