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, who said the trillion dollar business of data transfer between the two continents needs something stable for businesses to rely on. “If these agreements keep getting struck down then they can’t depend on it.”