This article examines German expellees (Vertriebene) as an interest group in domestic and enlarged European Union contexts. While their background and motivations may be unique, they have similarities to other non-party actors aiming to influence political and/or legal processes. German governments have made rhetorical and financial expressions of support but privileged foreign policy considerations over core expellee demands and sought to contain them as an internal issue. EU enlargement and accession by CEE states to its legal bases has been interpreted as opening new possibilities. A 'Europeanising' of 'justice' may have unintended implications for relations among European states and peoples.