Vattenfall AB et al. and Federal Republic of Germany, Case No. ARB/12/12 Decision on the Achmea Issue 31 August 2018 - World Trade and Arbitration Materials View Vattenfall AB et al. and Federal Republic of Germany, Case No. ARB/12/12 Decision on the Achmea Issue 31 August 2018 by - World Trade and Arbitration Materials Vattenfall AB et al. and Federal Republic of Germany, Case No. ARB/12/12 Decision on the Achmea Issue 31 August 2018 30 6 World Trade and Arbitration Materials