Also, the privacy people talked about these days is more focusing on how these data got stored and used by companies and advertisement agencies. They shouldn’t use your data for profit without appropriate consent.
All the companies here in US will follow court orders and hand over personal data when they required. In this case, no company can again the court and refuse to provide data.
Back to this case. You can assume your dats is safe here in the US, because it’s protected by the laws.