Volker Rosengarten

Rechtsanwalt (Lawyer)
Practice Group: Compliance & Investigations
Practice Group: Corporate & Financial Litigation

Volker Rosengarten is a partner based in Noerr’s Hamburg office. Volker’s practice focuses on white-collar crime matters with a particular emphasis on cross-border matters. He defends clients in criminal and administrative proceedings, conducts internal investigations and provides compliance advice. Moreover, Volker is an experienced litigator and well-versed in regulatory matters.

Before joining Noerr, Volker for five years worked for a Magic Circle law firm in Hamburg and for nine years for a U.S. litigation-only firm in their Hamburg and Zurich offices, since 2018 as a partner for white collar and capital markets matters.

Volker lectures criminal science at Hochschule Fresenius (University of Applied Sciences Fresenius).


  • White-collar crime
  • Internal investigations
  • Litigation
  • Capital markets law
  • Pharmaceutical law
  • Energy law
  • Telecommunications law


  • Studied law at the University of Göttingen 
  • Academic assistant and doctoral studies at the Institute of Information, Telecommunications and Media Law at the University of Münster 
  • Lawyer at a Magic Circle firm in Hamburg
  • Partner in a leading US law firm in Hamburg and Zurich 
  • At Noerr since 2021 
  • Admitted to the Hamburg Chamber of Lawyers

Selected Projects

  • Represent an international telecommunications services provider in connection with a criminal proceeding against a former business partner for fraud and forgery of documents (2022).
  • Defend the managing director of a technology company in a criminal investigation into allegations of tax evasion, copyright infringement and fraud (2022).
  • Advise an international commodity trading group in connection with a ransomware incident (2022).
  • Defend the managing director of a company operating Corona test centers in a criminal investigation into allegations of fraud (2021/2022).
  • Conduct an internal investigation for a European financial institution into a cross-border money laundering allegations (2021/2022).
  • Represent an executive of a financial institution in regulatory proceedings before the German financial markets supervisory authority (2021/2022).
  • Represent an international technical equipment manufacturer in criminal proceedings against former employees based on allegations of misappropriating business secrets at on a large scale (2021/2022).
  • Dawn-raid support for a globally operating software provider in Germany (2021).
  • Investigateg certain compliance-relevant incidents at a Swiss bank on behalf of the Swiss financial market supervisory authority (2020).
  • Conducted an internal investigation for a securitization company to help clarify a potential investment fraud (2020).
  • Represented a financial institution in connection with investigations into allegations of tax evasion and other misconduct (so called Cum-Ex complex) (2019/2020).
  • Defended a US pharmaceutical company in criminal proceedings into allegations of violations of EU sanctions (2019).
  • Defended two Russian citizens located in Germany that are victims of political persecution against extradition requests issued by Russian authorities (2018/2019).
  • Represented a media group in a cross-border investigation into allegations of insider trading (2017/2018).
  • Represented various German and Swiss banks in connection with investigations triggered by the so called Panama Papers (2016/2017).
  • Defended FIFA, the world football governing body, in the multi-jurisdictional criminal and other investigations into potential misconduct of (former) executives and employees (so called FIFA-Gate) and advised on compliance aspects (2015-2018).


  • Wirtschaftsstrafrechtliche Vereinigung e.V. (WisteV)

Selected Publications

  • Liability Of Wi-Fi Operators For Abusive Download Of Copyrighted Works By Third Parties, E-Commerce Law & Policy, co-authored with N. Herrmann and U. Stimmel (2010) 
  • Die besondere Missbrauchsaufsicht im Telekommunikationsgesetz 2004, doctoral thesis (2009) 
  • Zur verfassungsrechtlichen Zulässigkeit des Abgleichs gemäß § 6 Abs. 5 StromNEV-E", Recht der Energiewirtschaft (RdE), co-authored with B. Holznagel and M. S. Göge (2005) 
  • Der Zugang zu Premium-Inhalten, insbesondere für Multimedia-Anbieter, Arbeitsbericht 27, Kompetenzzentrum Internetökonomie und Hybridität, co-authored with B. Holznagel (2005)
  • Die Zulässigkeit von Optionstarifen der T-Com nach dem neuen TKG, Kommunikation und Recht (K&R), co-authored with B. Holznagel and A. Hombergs (2004)