U.S. lawyers say they hope a new transatlantic framework for data privacy protection has a long life, but are braced for the impact of political tensions that may impact its future.

“I’m a little concerned that the process keeps playing out in the same way; are we willing to go through this a fourth time or are people going to lose confidence?” asked Thompson Coburn’s cybersecurity group chair James Shreve in a recent interview. “If these agreements keep getting struck down, then they can’t depend on it,” noting that the trillion-dollar business of data transfer between the two continents needs something stable for businesses to rely on.