Klaus Grossmann

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...

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...

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, ...

Dr. Martin Jäger is Counsel at Hausfeld in Düsseldorf. He advises on all aspects of German and European antitrust law with a focus on antitrust litigation and merger control. Furthermore, he has many years of diverse experience in distribution antitrust law, in particular at the interface with intellectual property law and in antitrust damages proceedings, as well as in advising clients from the healthcare industry. Prior to joining Hausfeld, Martin was Senior Counsel at a leading G...

Mike Weitzel is a lawyer and partner at FGvW in Cologne. He is a specialist lawyer for insurance law and specialises, among other things, in product liability and product advice (especially for liability lines), insurance contract law as well as litigation and arbitration. He is a lecturer in insurance law at Hagen Law School, a member of the insurance law working group of the DAV and the author of numerous publications and specialist lectures. 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...

Christoph Angerhausen is a lawyer recognized by Best Lawyers in the practice area of Intellectual Property Law. Christoph practices law in Düsseldorf, Germany Best Lawyers has recognized Christoph Angerhausen 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 Christoph Angerhausen is held by other lawyers.

Monika Wenz is a lawyer recognized by Best Lawyers in the practice area of Intellectual Property Law. Monika practices law in Düsseldorf, Germany Best Lawyers has recognized Monika Wenz since 2009. 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 Monika Wenz is held by other lawyers.

Volker Teigelkötter is a lawyer recognized by Best Lawyers in the practice areas of Employee Benefits Law and Labor and Employment Law. Volker practices law in Düsseldorf, Germany Best Lawyers has recognized Volker Teigelkötter since 2020. 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 Volker Teigelkötter is held by other lawyers.

Born in 1976 Legal studies at the University of Münster First Exam ("1. Staatsexamen") in 2002 Doctoral studies at the University of Münster Research consultant at the University of Münster's Freiherr-vom-Stein Institute, the academic research center of the Association of North-Rhine Westphalian Districts, 2002 - 2004 Doctor of Laws (Dr. jur.) 2005 Legal clerkship ("Referendariat") at the Paderborn District Court Second (Bar) Exam ("2. Staatsexamen"), bar admission 2006, with t...