Band 3
Band 3
Band 3
Band 3
About
Provided by Claudia Annacker
Practice Areas
Dr. Claudia Annacker focuses her practice on international arbitration and litigation and public international law matters, in particular investor-State disputes, inter-State disputes, disputes involving international organizations and human rights cases. She has represented states and investors in more than 30 investment treaty arbitrations and regularly advises investors on structuring their investments to benefit from, or improve, investment treaty protections.
Dr. Annacker is an adjunct professor at the University of Vienna, where she teaches advanced research seminars in international responsibility and international dispute settlement and has been a visiting professor at the Paris Ouest Nanterre La Défense University. She has published widely in the fields of international arbitration and public international law.
Professional Memberships
Court of Arbitration of the Singapore International Arbitration Centre
Board of the Vienna International Arbitral Centre
Energy Charter Treaty Legal Advisory Task Force
Board of Trustees of the Foundation of International Arbitration Advocay
American Society of International Law
European Society of International Law
German Society of International Law
International Law Association
Chambers Review
Global
Claudia Annacker regularly leads matters involving human rights, international criminal law, issues of state recognition and international environmental law. She often handles cases in Europe and the Middle East.
Claudia Annacker regularly leads matters involving human rights, international criminal law, issues of state recognition and international environmental law. She often handles cases in Europe and the Middle East.
European states mandate sole practitioner Claudia Annacker for her strength in complex investor-state arbitrations under ICSID rules, often in relation to infrastructure, energy and financial disputes. She equally represents investors in cases.
Claudia Annacker mostly handles ICSID and UNCITRAL arbitrations. She is highly sought after by European and Middle Eastern sovereign states and state-owned companies. She launched her own independent practice in January 2024.
Strengths
Provided by Chambers
"Claudia is a phenomenal lawyer. She is impressive, strong, academic, sharp, and devoted to the case. She is a leader and a fighter."
"Claudia is a phenomenal colleague. She is impressive, strong, academic, sharp, and devoted to the case. She is a leader and a fighter."
"Claudia is a phenomenal lawyer. She is impressive, strong, academic, sharp, and devoted to the case. She is a leader and a fighter."
"Claudia is a phenomenal colleague. She is impressive, strong, academic, sharp, and devoted to the case. She is a leader and a fighter."