Jan T. Tenner

Kristina Klaaßen-Kaiser is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law and Mergers and Acquisitions Law. Kristina, who practices law in Düsseldorf, Germany, has been recognized since 2019. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Kristina is held by other top lawyers in the same geographic and legal practice area.

Georg Jacobs is a top attorney recognized by Best Lawyers in the practice area(s) of Advertising Law, Information Technology Law and Intellectual Property Law. Georg, who practices law in Düsseldorf, Germany, has been recognized since 2017. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Georg is held by other top lawyers in the same geographic and legal practice area.

Dr. Christian Sandweg joined the firm of VOSSIUS in 2011 and was admitted to practice as a German Patent Attorney (Patentanwalt) and European Patent Attorney in 2015. His training in IP included stages at the German Patent Office, the Federal German Patent Court and the Lower District Court Mannheim. In 2016, he became a partner in the firm. Dr. Sandweg studied physics at the Technical University of Munich and the University of Kaiserslautern, specializing in solid state physics and in partic...

Anja Commandeur is a top attorney recognized by Best Lawyers in the practice area(s) of Restructuring and Insolvency Law. Anja, who practices law in Cologne, Germany, has been recognized since 2021. 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.

Dr Jan Joachim Dreyer’s work includes antitrust defence, in particular for companies with strong market positions, in sales and traditional antitrust matters, compliance issues in sales and in all forms of cooperation between competitors. His areas of expertise also include global and local merger control, including litigation over decisions by authorities reaching the German Federal Court of Justice and the European courts, claims for damages arising from antitrust violations, state ai...

Gregor Lamla is a lawyer and partner at the Dusseldorf office of Friedrich Graf von Westphalen & Partner. He advises on real estate financing and transactions with a focus on commercial real estate, especially in the retail sector (shopping centers, downtown department stores and retail parks).Before joining Friedrich Graf von Westphalen, Gregor was a partner at other major law firms as well as GC at a real estate asset management company. He speaks German and English.

Arnt Göppert is a lawyer and partner at Friedrich Graf von Westphalen & Partner. He has been working in the corporate law and M&A practice of Friedrich Graf von Westphalen & Partner's Cologne office since 2013. Arnt Göppert is a transaction specialist advising clients on corporate acquisitions and disposals, corporate actions and financing. His clients include owner-managed companies as well as international funds, listed companies and financial institutions. A particula...

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

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

Olaf Konzak is a partner in the Cologne office of Friedrich Graf von Westphalen & Partner and heads the public law practice. In September 2018, Olaf Konzak and a team of four lawyers from LLR Legerlotz Laschet und Partner moved to the FGvW office in Cologne. Since September 1, 2018, he has been a partner in the practice in public law. His practice focuses on environmental and waste law, chemicals and substances law and public building law. Olaf Konzak has been working as a lawyer since 19...