Jan Byok

Born in 1934 Legal studies at the Universities of Marburg, Münster and Berlin First Exam ("1. Staatsexamen") in 1957 Doctor of both Laws (Dr. jur. ut.) 1960 Legal clerkship ("Referendariat") in at the Detmold and Berlin District Courts Second (Bar) Exam ("2. Staatsexamen") in 1962 First bar admission in 1962 Managing director of an industrial company, 1964 - 1973 Renewed bar admission in 1973 Certified Specialized Attorney in Tax Law since 1973

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

Dr. Alex Petrasincu is Managing Partner at Hausfeld in Germany. He advises on all aspects of European and German competition law with a special focus on antitrust litigation. Alex is specialized in representing parties in cartel damages actions before the German courts, and has advised on damages actions in various jurisdictions. Alex has represented parties in and advised on actions before numerous German District Courts, Courts of Appeals, the German Constitutional Court, as well as the Eur...

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.

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.

Christian Krohs is a lawyer recognized by Best Lawyers in the practice area of Competition / Antitrust Law. Christian practices law in Düsseldorf, Germany Best Lawyers has recognized Christian Krohs 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 Christian Krohs is held by other lawyers.

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.

Dr Pierre-André Brandt has been working as a lawyer and partner in our Düsseldorf office since 2025. He primarily advises clients on real estate transactions and real estate project developments, as well as commercial tenancy law. Other areas of focus in his work include real estate asset management and leasehold structuring. He speaks German, English and Norwegian.

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

Patrick Daum is a lawyer recognized by Best Lawyers in the practice area of Patent Attorney. Patrick practices law in Düsseldorf, Germany As a patent attorney, Patrick Daum is involved in patent prosecution as well as opposition proceedings to attack and defend patents in the areas of wireless communications (mobile communications), electrical engineering, aerospace technologies and mechanics. A further aspect of his work focusses on the enforcement of patents in litigation and nullity p...