Masons has announced a joint venture with US West Coast firm Thelen Reid & Priest. The joint venture, named Masons Thelen Reid, will focus on international infrastructure projects particularly in emerging markets such as China, India, the Middle East and South America. The venture will operate as an English limited liability partnership with access to all lawyers from each firm. Steve O'Neal of Thelen Reid and Vincent Rowan of Masons will be joint managing partners.