Marc Besen

Uwe Steingröver is a lawyer and accredited specialist for construction and architectural law and a partner at Friedrich Graf von Westphalen & Partner. He also regularly gives lectures for different suppliers. Uwe’s main focus lies on real estate law, private construction law, facilities construction law and litigation. He is a member of the German Bar Association’s Working Group on Construction Law and the Working Group on Landlord and Tenant Law, as well as the Committee...

Jan Janßen is a lawyer recognized by Best Lawyers in the practice area of Restructuring and Insolvency Law. Jan practices law in Hagen, Germany Best Lawyers has recognized Jan Janßen 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 Jan Janßen is held by other lawyers.

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...

Jörn Zons is a lawyer and partner at Friedrich Graf von Westphalen & Partner in Cologne. Jörn’s main focus lies on German and international construction and engineering projects as well as domestic and international dispute resolution in litigation, arbitration and alternative dispute resolution proceedings. He is also a regular referee on German and international construction and engineering projects and dispute resolution at seminars, associations and in-house for compan...

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...

Michael Schmidt-Versteyl is a lawyer recognized by Best Lawyers in the practice area of Corporate Law. Michael practices law in Düsseldorf, Germany Best Lawyers has recognized Michael Schmidt-Versteyl since 2023. 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 Michael Schmidt-Versteyl is held by other lawyers.

Simon Groneberg is a lawyer recognized by Best Lawyers in the practice area of Energy Law. Simon practices law in Düsseldorf, Germany Best Lawyers has recognized Simon Groneberg since 2026. 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 Simon Groneberg is held by other lawyers.

Heinrich Georg Pannen has many years of experience in the full range of intellectual property and copyright law. His work includes conducting registration proceedings, opposition and appeal proceedings, as well as nullity and appeal proceedings before the German Patent and Trademark Office, the European Union Intellectual Property Office (EUIPO), the World Intellectual Property Organization (WIPO), and the Federal Patent Court. His focus is on managing national and international intellectual ...

Jochen Lehmann is a lawyer recognized by Best Lawyers in the practice area of Arbitration and Mediation. Jochen practices law in Cologne, Germany Best Lawyers has recognized Jochen Lehmann 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 Jochen Lehmann is held by other lawyers.

Born in 1959 Trained and worked as police officer in North Rhine-Westphalia, 1979 - 1983 Legal studies and clerkship at Bielefeld University State bar exam and bar admission in 1989 Worked in the legal department of Dr. Oetker Nahrungsmittel KG, Bielefeld, 1990 - 1991 With the firm since 1992 Certified Specialized Attorney in Administrative Law since 1993 Doctor of Laws (Dr. jur.) 1994 under Prof. Dr. Hans-Jürgen Papier Visiting lecturer at the University of Rostock since 2002 Honorary P...