This practical guide examines the system and the rules of cross-border insolvency and restructuring in the European Union. It explores the history and evolution of the European Insolvency Regulation (EIR) 2015, discussing its main provisions and the relevant case law of the CJEU, and situating the EIR 2015 in light of its forthcoming review. Key Features: Provides insight into the fundamentals of international and cross-border insolvency law Analyses the role of insolvency and restructuring in the EU internal market Assesses how EIR 2015 has revised its rules, particularly surrounding groups of companies and restructuring plans Explains the key provisions of EIR, including international jurisdiction, applicable law, recognition and enforcement of judgments, and cooperation duties Proposes topics that warrant attention for the forthcoming review of the EIR, including scope, applicable law, and recognition and enforcement of judgments The European Insolvency Regulation: An Essential Guide is a valuable resource for legal professionals, judges, policymakers, and scholars working with cross-border insolvency and restructuring law. More broadly, it will also be of practical relevance for practitioners in European law and corporate law with an interest in insolvency and restructuring.