Rosinus Partner focuses on compliance and investigations, including matters pertaining to allegations of corruption, cum-ex, embezzlement as well as the diesel emissions scandal. Criminal lawyer Christian Rosinus and Mathias Grzesiek, who specialises in cyber-based criminal law, IT criminal law and data protection, jontly head the practice. Janina Brandau (white collar crime and tax law) was appointed to partner in January 2023.

Legal 500 Editorial commentary

Testimonials

Collated independently by Legal 500 research team.

  • 'Rosinus Partner is up to date with all technical support, e.g. secure data room for uploading documents, online questionnaires designed for clients that can be technically evaluated and its own server .'
  • 'Christian Rosinus, as the name partner, is absolutely quick in reacting, in organizing the necessary measures and in putting together the team. '
  • 'The team quickly grasps the current issues and then provides thoughtful and tactically sound advice on how to proceed with the matter. The team also knows how to read a room – they know when to push and when to back off.'
  • 'Christian Rosinus: An excellent team leader and a very smart lawyer. He has good personal contact with customers and is very responsive.'

Key clients

  • FRoSTA AG

Work highlights

  • Internal investigation for a leading international chemical company into questions of potentially criminally relevant employee misconduct.
  • Conducting an internal investigation at a portfolio company of a private equity advisor in connection with the breach of trust of a former managing director and the successful enforcement of claims for damages amounting to millions.

Lawyers

Practice head

The lawyer(s) leading their teams.

Christian Rosinus, Mathias Grzesiek

Other key lawyers

Janina Brandau