Susanne A. Zimmermann

Martin Hohgardt is a lawyer recognized by Best Lawyers in the practice area of Intellectual Property Law. Martin Hohgardt’s main areas of practice involve patent prosecution, patent nullity proceedings, opposition proceedings and patent litigation in various technical fields. His technical fields include telecommunications, electrical engineering, special-purpose machinery manufacture, computer-implemented inventions, ciphering systems and medical devices. Martin Hohgardt is responsible...

Claudia Maaßen LL.M. is a lawyer and partner at Friedrich Graf von Westphalen & Partner. She has been working in the litigation and arbitration practice group of Friedrich Graf von Westphalen’s Cologne office since 2016. Claudia Maaßen is a specialist in dispute resolution with a focus on manager liability and D&O and product liability. Her clients include insurance companies, managers and private companies. Claudia Maaßen speaks German, French and English.

Born in 1976 Legal studies at Bielefeld University, 1995 - 2000 Supplementary studies in informatics at Bielefeld University, 1996 - 1998 First Exam ("1. Staatsexamen") in 2000 Postgraduate studies in legal informatics at the Universities of Hannover and Vienna, 2000 - 2001 Research associate at Bielefeld University, 2001 - 2002 Legal clerkship ("Referendariat") in Bielefeld and Düsseldorf, 2002 - 2004 Doctor of Laws (Dr. jur.) 2004 Second (Bar) Exam ("2. Staatsexamen") in 2004 Worked ab...

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...

Henrik Holzapfel is a lawyer recognized by Best Lawyers in the practice areas of Intellectual Property Law and Litigation. Henrik practices law in Düsseldorf, Germany Best Lawyers has recognized Henrik Holzapfel since 2025. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Henrik Holzapfel is held by other lawyers.

Markus Kappenhagen is a lawyer recognized by Best Lawyers in the practice areas of Employee Benefits Law, Labor and Employment Law and Litigation. Markus practices law in Düsseldorf, Germany Best Lawyers has recognized Markus Kappenhagen since 2016. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Markus Kappenhagen is held by other lawyers.

Anja Commandeur is a lawyer recognized by Best Lawyers in the practice area of Restructuring and Insolvency Law. Anja practices law in Cologne, Germany Best Lawyers has recognized Anja Commandeur since 2021. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Anja Commandeur is held by other lawyers.

Tobias Lenz is a lawyer and partner at Friedrich Graf von Westphalen & Partner. In addition, he is a professor for national and international commercial law at the Rhineland University of Applied Sciences (Rheinische Fachhochschule) in Cologne and the director of the Institute for Liability and Insurance Law (Institut für Haftungs- und Versicherungsrecht). Tobias’ main focus lies on product liability and insurance law, liability of managing directors and execute board members, ...

Thomas Christner is a lawyer recognized by Best Lawyers in the practice areas of Energy Law and Public Law. Thomas practices law in Cologne, Germany Best Lawyers has recognized Thomas Christner since 2021. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Thomas Christner is held by other lawyers.

Carsten Laschet is a lawyer and managing Partner of Friedrich Graf von Westphalen & Partner. His practice focuses on liability and insurance law. He specialises in contract law, product liability law, directors' and officers' liability as well as Insurance Law. Carsten Laschet is a lecturer in teaching specialist insurance lawyers and a member of the Cologne Legal Association (Kölner Juristische Gesellschaft), the German Bar Association’s Working Group on Insurance Law (ARGE Ve...