Ulrich Wilhelm

Lawyer Partner

Adrian Löser is a top attorney recognized by Best Lawyers in the practice area(s) of Labor and Employment Law. Adrian, who practices law in Berlin, Germany, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Adrian is held by other top lawyers in the same geographic and legal practice area.

Mathias advises private equity, financial and venture capital investors, as well as corporates and entrepreneurs on their buy-side and sell-side M&A deals, strategic investments, financing rounds and joint ventures.

Daniel Seibt is a top attorney recognized by Best Lawyers in the practice area(s) of Real Estate Law. Daniel, who practices law in Berlin, Germany, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Daniel is held by other top lawyers in the same geographic and legal practice area.

Dr. Marcel Guenoub is a partner at POELLATH in Berlin. He advises his well-known clients on transaction-related advice (due diligence, purchase agreements, lease agreements, financing contracts), project developments (construction and project development contracts, architect and engineer contracts) and real estate-related joint venture projects. Marcel belongs to the “next generation” of POELLATH partners in the real estate sector and has already been listed in relevant rankings. ...

Viviane Freifrau von Aretin is a top attorney recognized by Best Lawyers in the practice area(s) of Labor and Employment Law. Viviane Freifrau, who practices law in Berlin, Germany, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Viviane Freifrau is held by other top lawyers in the same geographic and legal practice area.

Stephanie Hotopp is a top attorney recognized by Best Lawyers in the practice area(s) of Restructuring and Insolvency Law. Stephanie, who practices law in Berlin, Germany, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Stephanie is held by other top lawyers in the same geographic and legal practice area.

Dr. Wolf H. von Bernuth, a partner in Hausfeld's Berlin office, specializes in national and international litigation and arbitration. His litigation experience includes banking, financial and capital markets disputes, model proceedings under KapMuG, corporate and post-M&A disputes, joint venture disputes, directors' and officers' liability as well as disputes arising from complex contracts, e.g. in the automotive and energy industries. He was an expert for the legal committee of the Germa...

Born in Duisburg in 1974, Dr. Kostja von Keitz studied law in Düsseldorf. He received his doctorate in European nature conservation and national administrative procedural law in 2005, with a thesis on the subject of “The Legal Protection of Private Individuals against Special Areas of Conservation”. He began his career as a lawyer in 2005, working initially for a major international law firm. He became a specialist in administrative law 2008 and joined ZENK in 2009. He has be...

Studies in mechanical engineering and process engineering at the RWTH Aachen and the Imperial College London (until 1991) Doctoral degree (Dr.-Ing.) at the ETH Zürich, Laboratory for Technical Chemistry (1991-95) Consultant (1991-95) in the area of process simulation und dynamics Patent attorney (since 1999), partner at Maikowski & Ninnemann (since 2000) LL.M. (European Intellectual Property Law) at the Kurt-Haertel Institute, Fernuni Hagen Since 2002 lecturer und since 2009 honorary...