Google's AI department was recently hit by a class-action lawsuit in the UK, because of possible irregularities in the way that it received and handled the data of over 1.6 million NHS patients from the Royal Free London NHS Foundation Trust.
https://www.notebookcheck.net/Google-DeepMind-gets-hit-by-a-class-action-lawsuit-for-shortcomings-in-how-it-handled-over-1-6-million-NHS-patient-records.572918.0.html