Christian Adam is Assistant Professor at the Geschwister Scholl Institute for Political Science, Ludwig Maximilians Universität München, Germany.Michael W. Bauer holds the Jean Monnet Chair for Comparative Public Administration and Policy Analysis at the German University of Administrative Sciences Speyer. He is also a part-time professor at the School of Transnational Governance, European University Institute, Florence, Italy.Miriam Hartlapp is Professor of Comparative Politics: Germany and France at the Freie University Berlin, Germany. She previously held chairs at Leipzig (2014–17) and Bremen University (2013–14) and worked at the Max Planck Institute for the Study of Societies in Cologne.Emmanuelle Mathieu is Lecturer at the University of Lausanne, Switzerland. Previously, she was a Marie Curie research fellow at the Barcelona Institute for International Studies, Spain.

• Chapter 1 The Neglected Politics behind EU Annulment Litigation.- Chapter 2 Towards an Analytical Framework to Study Annulments in the EU.- Chapter 3 The Legal Background.- Chapter 4 Studying Annulment Actions.- Chapter 5 Motivations: When Conflict Leads to Litigation.- Chapter 6 Litigant Configurations: Turbulence and the Emergence of Complex Configurations.- Chapter 7 Litigant Success: How Litigant Configurations Relate to Legal Outcomes.- Chapter 8 The Political Side of EU Annulment Litigation.- Annexes.

Christian Adam is Assistant Professor at the Geschwister Scholl Institute for Political Science, Ludwig Maximilians Universität München, Germany.Michael W. Bauer holds the Jean Monnet Chair for Comparative Public Administration and Policy Analysis at the German University of Administrative Sciences Speyer. He is also a part-time professor at the School of Transnational Governance, European University Institute, Florence, Italy.Miriam Hartlapp is Professor of Comparative Politics: Germany and France at the Freie University Berlin, Germany. She previously held chairs at Leipzig (2014–17) and Bremen University (2013–14) and worked at the Max Planck Institute for the Study of Societies in Cologne.Emmanuelle Mathieu is Lecturer at the University of Lausanne, Switzerland. Previously, she was a Marie Curie research fellow at the Barcelona Institute for International Studies, Spain.

• Chapter 1 The Neglected Politics behind EU Annulment Litigation.- Chapter 2 Towards an Analytical Framework to Study Annulments in the EU.- Chapter 3 The Legal Background.- Chapter 4 Studying Annulment Actions.- Chapter 5 Motivations: When Conflict Leads to Litigation.- Chapter 6 Litigant Configurations: Turbulence and the Emergence of Complex Configurations.- Chapter 7 Litigant Success: How Litigant Configurations Relate to Legal Outcomes.- Chapter 8 The Political Side of EU Annulment Litigation.- Annexes.

Christian Adam is Assistant Professor at the Geschwister Scholl Institute for Political Science, Ludwig Maximilians Universität München, Germany.Michael W. Bauer holds the Jean Monnet Chair for Comparative Public Administration and Policy Analysis at the German University of Administrative Sciences Speyer. He is also a part-time professor at the School of Transnational Governance, European University Institute, Florence, Italy.Miriam Hartlapp is Professor of Comparative Politics: Germany and France at the Freie University Berlin, Germany. She previously held chairs at Leipzig (2014–17) and Bremen University (2013–14) and worked at the Max Planck Institute for the Study of Societies in Cologne.Emmanuelle Mathieu is Lecturer at the University of Lausanne, Switzerland. Previously, she was a Marie Curie research fellow at the Barcelona Institute for International Studies, Spain.

• Chapter 1 The Neglected Politics behind EU Annulment Litigation.- Chapter 2 Towards an Analytical Framework to Study Annulments in the EU.- Chapter 3 The Legal Background.- Chapter 4 Studying Annulment Actions.- Chapter 5 Motivations: When Conflict Leads to Litigation.- Chapter 6 Litigant Configurations: Turbulence and the Emergence of Complex Configurations.- Chapter 7 Litigant Success: How Litigant Configurations Relate to Legal Outcomes.- Chapter 8 The Political Side of EU Annulment Litigation.- Annexes.