Today, international commercial disputes regularly involve multiple parties, contracts, and issues. As a result, the number of disputes that are tried in two or more different forums has increased, giving rise to difficult issues regarding the conclusive and preclusive effects of prior judgments or awards. As a result, the doctrine of res judicata , which requires that a final decision by a court or arbitral tribunal is conclusive and should not be re-litigated, is of increasing significance. Dr Silja Schaffstein provides the first practical and comprehensive guidelines for matters...