Tobias Kollakowski

Dr. Manuel Knebelsberger is Counsel at Hausfeld in Düsseldorf, specializing in competition law and competition litigation. Before joining Hausfeld, Manuel worked in the competition department of one of the biggest international law firms where he acquired a broad experience in all aspects of competition law, ranging from classic antitrust and merger control to procurement and state aid matters. In addition to advising clients on general competition law, Manuel regularly represents client...

Markus Heider is a lawyer recognized by Best Lawyers in the practice area of Real Estate Law. Markus practices law in Cologne, Germany Best Lawyers has recognized Markus Heider 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 Markus Heider is held by other lawyers.

Philipp-Gerald Hammes is a lawyer recognized by Best Lawyers in the practice area of Real Estate Law. Philipp-Gerald practices law in Düsseldorf, Germany Best Lawyers has recognized Philipp-Gerald Hammes 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 Philipp-Gerald Hammes 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...

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.

Gregor Lamla is a lawyer and partner at the Dusseldorf office of Friedrich Graf von Westphalen & Partner. He advises on real estate financing and transactions with a focus on commercial real estate, especially in the retail sector (shopping centers, downtown department stores and retail parks).Before joining Friedrich Graf von Westphalen, Gregor was a partner at other major law firms as well as GC at a real estate asset management company. He speaks German and English.

Jens Biemann is a lawyer recognized by Best Lawyers in the practice area of Public Law. Jens practices law in Düsseldorf, Germany Best Lawyers has recognized Jens Biemann since 2024. 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 Jens Biemann is held by other lawyers.

Jens Kleinert practises as a lawyer and a certified tax lawyer, advising clients on all issues dealing with national and international tax law, in particular on the development of tax-optimised structures and the implementation thereof. This also comprises the development and application of capital market products, especially by using investment funds. He has broad experience in advising on complex restructurings and cross-border transactions. His focus is particularly on business succession ...

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.

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...