The pressure group has chosen Angola as a testcase in a wider campaign to force multinationals to ensure that their profits do not go to finance wars, and its first report on Angola was on the diamond trade.
Saifuddin Bantasyam, a law lecturer who directs the Care Human-Rights Forum, an Aceh-based group, thinks the province could become a testcase of international opinion.
Lord Justice Auld said the appeal court wanted the issue of what constitutes a particular social group to be scrutinised by Law Lords when the best testcase had been identified.