Frank Fellenberg

Torsten Martini is a top attorney recognized by Best Lawyers in the practice area(s) of Restructuring and Insolvency Law. Torsten, 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 Torsten is held by other top lawyers in the same geographic and legal practice area.

As a Patent Attorney Thomas L. Bittner focuses on technical intellectual property rights, especially patents and utility models, both with respect to filing and prosecution, as well as litigation. Also, he advises and represents his clients in opposition proceedings and revocation proceedings before the German authorities and courts, and before the European Patent Office. Thomas L. Bittner studied physics at the Humboldt-Universität of Berlin. After his PhD he worked as a scholarship hol...

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...

Dieter Neumann is a Shareholder in the Public Law Group in Germany. He focuses his practice on advising complex projects including public-private partnerships in the areas of traffic and transportation (airports, railroads, roads and waterways), telecommunications (IT and broadband networks as well as satellite infrastructure) healthcare, utilities (water, wastewater and waste), expansion of network infrastructure for energy transport as well as defense and security. Dieter has broad and long...

Martin Borning is a Local Partner in the Public Law Group in Germany with a focus on advising on transactions, including joint ventures, co-operations and corporate restructurings, and projects in regulated industries. Martin has longstanding experience advising companies and corporations in the energy and transportation sectors. On energy, he advises in the fields of conventional energy, in particular oil & gas, renewable energy and new energy, including hydrogen, carbon capture utilizat...

Sebastian Schmid is a top attorney recognized by Best Lawyers in the practice area(s) of Real Estate Law. Sebastian, who practices law in Frankfurt/Main, Germany, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Sebastian is held by other top lawyers in the same geographic and legal practice area.

Martin Nentwig is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law and Mergers and Acquisitions Law. Martin, 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 Martin is held by other top lawyers in the same geographic and legal practice area.

Birgit Geißler Lawyer | Specialist Lawyer for Building and Architectural Law | Managing Partner Birgit Geißler is a top attorney recognized by Best Lawyers in the practice area(s) of Real Estate Law. Birgit, who practices law in Berlin, Germany, has been recognized since 2027. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Birgit is held by other top lawyers in the same geographic and legal practice area. Studied law at the Free ...

Timo Winkelmann is a partner in the Real Estate practice group at POELLATH in Berlin. He advises national and international clients on all matters related to real estate law. The focus of his practice is real estate transactions. In addition to share and asset deals, he supports his clients regarding asset management, e.g., conclusion of lease agreements. From time to time, he is involved in post-M&A disputes. Before joining POELLATH in 2008, he was working at an US law firm in the M&...

Lawyer and Insolvency Administrator Associated Partner