Practice
Katharina is co-head of the private clients department in Frankfurt. As a lawyer and tax advisor she advises her clients, among other things, on estate and succession planning, marriage and inheritance contracts, as well as questions of relocation and exit taxation. A major part of her work focuses on structures with cross-border implications. Katharina regularly speaks on private client topics at international conferences (e.g. IBA) and is Chair of the Executive Board of the LL.M. program “Inheritance Law and Company Succession” at the University of Münster. Her clients appreciate her empathetic and engaging manner, as well as her assertive negotiating skills.
Transactions

CV
- Joined POELLATH in 2012
- Chairwoman of the executive board and lecturer in the “inheritance and succession law” master’s program, JurGrad | University of Muenster
- Admitted to the bar in 2012; admitted as tax advisor in 2014
- Law School and Ph.D. in Hamburg (Bucerius Law School), Paris (Panthéon-Sorbonne) and Osnabrueck (LL.M. Taxation 2008)
Languages
German, English
“Katharina Hemmen is excellent and highly recommended!”
Legal 500
“The biggest success story of the private clients practice is the expansion of the Frankf[urt] office: One of the reasons for the appointment of a young partner, who is in charge of this mandate, was to advise a family of entrepreneurs worth € million with over 200 shareholders on succession planning.”
JUVE Handbuch Wirtschaftskanzleien 2023/24
“With her unstinting effort, her poise and her professionalism she brought the case to a timely and successful closure.”
US client with reference to Germany
“Katharina Hemmen is excellent and highly recommended!”
Legal 500
“The biggest success story of the private clients practice is the expansion of the Frankf[urt] office: One of the reasons for the appointment of a young partner, who is in charge of this mandate, was to advise a family of entrepreneurs worth € million with over 200 shareholders on succession planning.”
JUVE Handbuch Wirtschaftskanzleien 2023/24
“With her unstinting effort, her poise and her professionalism she brought the case to a timely and successful closure.”
US client with reference to Germany

27.02.2025
Legal 500, 2025
21.11.2023
JUVE Handbuch Wirtschaftskanzleien 2023/2024
04.07.2023
JUVE Handbuch Steuerrecht 2023
all Rankings
29.09.2025
The tax-optimized drafting of wills
20.10.2025
Erbrecht & Unternehmensnachfolge | Overview of the Master’s Program
05.12.2025
Substantive inheritance law
all Events
Awards
katharina.hemmen@pplaw.com
+49 (69) 247047-34
+49 (69) 247047-30
Assistant:
Birgit Nettelrodt, Dr. Kevin Bücking