Patrick Daum

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...

Born in 1968 Legal studies at Bielefeld University First Exam ("1. Staatsexamen") in 1995 Legal clerkship ("Referendariat") at the Detmold District Court Second (Bar) Exam ("2. Staatsexamen") in 1997 Bar admission in 1998 Doctor of Laws (Dr. jur.) 2001 With the firm since 2001 Certified Specialized Attorney in Labor and Employment Law since 2003

Holger Weiß is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law and Real Estate Law. Holger, who practices law in Düsseldorf, Germany, has been recognized since 2020. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Holger is held by other top lawyers in the same geographic and legal practice area.

Dr Martin Stockhausen has concentrated on banking law, corporate law and insolvency law since beginning his career as a lawyer. After founding Sozietät GÖRG, Dr Stockhausen focused on advising and representing (primarily institutional) creditors and debtor companies in situations of crises, while at the same time building up a separate department in the firm for advising credit institutions. Assisting debtor companies has included taking on managerial or executive functions (e.g. in...

Antje Weiss is a top attorney recognized by Best Lawyers in the practice area(s) of Public Law. Antje, who practices law in Düsseldorf, Germany, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Antje is held by other top lawyers in the same geographic and legal practice area.

Jens Ortmanns is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law, Private Equity Law and Real Estate Law. Jens, who practices law in Düsseldorf, Germany, has been recognized since 2017. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Jens is held by other top lawyers in the same geographic and legal practice area.

Tobias Plath is a top attorney recognized by Best Lawyers in the practice area(s) of Insurance Law. Tobias, who practices law in Düsseldorf, Germany, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Tobias is held by other top lawyers in the same geographic and legal practice area.

Gabi Müllejans LL.M. oec. is a lawyer and local partner at Friedrich Graf von Westphalen & Partner. Since 2024, she has been working in the intellectual property and trademark and design law practice of Friedrich Graf von Westphalen & Partner’s Cologne office. She has many years of working experience as a trademark and competition lawyer at leading, internationally oriented law firms. She worked as a lawyer specializing intellectual property law at a renowned IP boutique in...

Sebastian Faust is a top attorney recognized by Best Lawyers in the practice area(s) of Competition / Antitrust Law and Mergers and Acquisitions Law. Sebastian, who practices law in Düsseldorf, Germany, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Sebastian is held by other top lawyers in the same geographic and legal practice area.

Helmut Balthasar is a top attorney recognized by Best Lawyers in the practice area(s) of Restructuring and Insolvency Law. Helmut, who practices law in Cologne, Germany, has been recognized since 2010. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Helmut is held by other top lawyers in the same geographic and legal practice area.