The prosecutors in Aachen filed a suit against the managing director of Grünenthal, as well as against eight other leading senior Grünenthal employees. Up to April 1968, more than 400 Thalidomide survivors and their families had joined the action as side plaintiffs.

Source: Chronology of events provided by Beate Kirk, in: Der Conterganfall: eine unvermeidbare Arzneimittelkatastrophe? Dissertation. Greifswald 1998.