Alexander Ritvay

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

Ulrich Grau is a top attorney recognized by Best Lawyers in the practice area(s) of Biotechnology Law and Life Sciences Practice, Health Care Law and Pharmaceuticals Law. Ulrich, who practices law in Berlin, Germany, has been recognized since 2017. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Ulrich is held by other top lawyers in the same geographic and legal practice area.

Axel Dahms is a top attorney recognized by Best Lawyers in the practice area(s) of Labor and Employment Law. Axel, 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 Axel is held by other top lawyers in the same geographic and legal practice area.

Born in Brühl in 1965, Dr. Rolf Zeißig studied law in Bonn, Hamburg and Berlin. He was a research assistant at the Department of Labor and Social Law at the University of Potsdam and obtained a doctorate in labor law on the subject of “The Conservation of the Status Quo of Works Council Agreements in the Event of Termination”. Dr. Zeißig has worked as a lawyer since 1996 and as a specialist in labor law since 1999. He has been with ZENK since 2002. Dr. Zeißi...

Lawyer Partner

Anja Branz is a top attorney recognized by Best Lawyers in the practice area(s) of Labor and Employment Law. Anja, 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 Anja is held by other top lawyers in the same geographic and legal practice area.

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...

Robin Eyben is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law, Mergers and Acquisitions Law, Technology Law and Venture Capital Law. Robin, who practices law in Berlin, Germany, has been recognized since 2020. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Robin 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...

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