Lars Mesenbrink

Sebastian von Lossow LL.M. 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’s Dusseldorf office since 2025. Sebastian von Lossow is a specialist in M&A, joint ventures and real estate transactions. His clients include entrepreneurs, family offices and mid-size companies (industrials, engineering as well as software-as-a-service) and real estate managers and investors...

Born in 1964 Legal studies at the Universities of Heidelberg and Bonn First Exam ("1. Staatsexamen") in 1990 Doctoral research at the Universities of Valencia (Spain) and Münster Legal clerkship ("Referendariat") at the Detmold District Court Elective posting at the Commission of the European Union in Brussels Doctor of Laws (Dr. jur.) 1993 Second (Bar) Exam ("2. Staatsexamen"), bar admission 1994, with the firm since 1994 Certified Specialized Attorney in Administrative Law since 1997 C...

Matthias Kampshoff is a lawyer recognized by Best Lawyers in the practice areas of Corporate Law, Mergers and Acquisitions Law and Restructuring and Insolvency Law. Matthias practices law in Düsseldorf, Germany Best Lawyers has recognized Matthias Kampshoff 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 Matthias Kampshoff is held by other lawyers.

Helmut Balthasar is a lawyer recognized by Best Lawyers in the practice area of Restructuring and Insolvency Law. Helmut practices law in Cologne, Germany Best Lawyers has recognized Helmut Balthasar since 2010. 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 Helmut Balthasar is held by other lawyers.

Born in 1969 Legal studies at Bielefeld University First Exam ("1. Staatsexamen") in 1995 Research associate under Prof. Dr. Gerhard Otte (Chair for Civil Law, Civil Procedure and Legal History) at Bielefeld University, 1995 - 1998 Legal clerkship ("Referendariat") at the Bielefeld District Court Second (Bar) Exam ("2. Staatsexamen") in 1997 Judge at the Güstrow Local Court, 1998 - 1999 Bar admission in 1999 and with the firm since then Doctor of Laws (Dr. jur.) 2002 Appointment as notar...

Thomas Kerkhoff is partner in our Düsseldorf office. For many years he has been advising clients on intellectual property law. His work includes advice on trademarks, their protection and their realisation. In cooperation with accountants and business economists he is regularly involved in the taxational assessment of trademarks. His work also includes all aspects of copyright protection, designs and unfair trading. He also does litigation in cases of intellectual property infringements ...

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...

Antje Weiss is a lawyer recognized by Best Lawyers in the practice area of Public Law. Antje practices law in Düsseldorf, Germany Best Lawyers has recognized Antje Weiss 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 Antje Weiss is held by other lawyers.

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...

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