Forum shopping, which consists of strategic forum selection, parallel litigation and serial litigation, is a phenomenon of growing importance in international adjudication. Preliminary objections (or a party's placement of conditions on the existence and development of the adjudicatory process) have been traditionally conceived as barriers to adjudication before single forums. This book discusses how adjudicators and parties may refer to questions of jurisdiction and admissibility in order to avoid conflicting decisions on overlapping cases, excessive exercises of jurisdiction and the...