In the law firms Paul, Hastings LLP added partner Philip Straton Stamatakos to its corporate and mergers and acquisitions practice. Stamatakos, an M&A lawyer who joins from Jones, Day, will help the firm build its cross-border merger practice. Recent transactions Stamatakos worked on include the successful $43.1 billion hostile takeover defense of Potash Corp. of Saskatchewan Inc. and Saputo Inc.’s $1.45 billion acquisition of Morningstar Foods from Dean Foods. In the bar groups The Illinois State Bar …