Dr. Ansgar Baumgarten has been a lawyer (Rechtsanwalt) at LOH Rechtsanwälte since 2024 and has also served as a deputy notary since 2025. He advises the public sector, companies and private individuals on general and sector-specific administrative law and on areas of law closely related to notarial practice, in particular corporate law. One focus of his work is representing clients before the administrative and civil courts.

Dr. Baumgarten is equally at home in public and private law. Clients value his thoroughness and persistence in getting to the bottom of complex issues.

He lectures at the German-Polish Law School (Deutsch-Polnische Rechtsschule) of Humboldt-Universität zu Berlin and the University of Wrocław. He also publishes on topics in public and private law. In the OZUG commentary on the German Basic Law, he co-authored the commentary on Articles 45a and 48.

After studying law at Humboldt-Universität zu Berlin, Dr. Baumgarten obtained a Maîtrise en droit from Université Panthéon-Assas in Paris and an LL.M. from King’s College London. He then worked as a research assistant at the Chair of Public Law, in particular Environmental Law and European Law, at Freie Universität Berlin. His doctoral thesis on European administrative and constitutional law was published by Mohr Siebeck in 2026. Dr. Baumgarten completed his practical legal training at the Kammergericht, the Higher Regional Court of Berlin, from 2020 to 2022 before joining an international law firm as a research assistant.