Four students have been charged in connection with the eight-week occupation at the University of Sussex and bailed to appear at Brighton Magistrates' Court on 18 April.
Alarm bells started to ring at the firm's headquarters when a Cadbury-financed study by the University of Sussex and the University of Accra found that the average production of a cocoa farmer had dropped to 40% of potential yield, and that the children of cocoa farmers did not want to work in the family business any more.
The heightened concerns over tuition fees follow a number of demonstrations against the fees - including occupations of buildings at Oxford, Goldsmiths College and SussexUniversity.