Alexander Willemsen

Martin Wirtz works in all fields of intellectual property matters, with a particular emphasis on trade mark, competition, and copyright law, including litigation. A further focus of his work is patent infringement proceedings. His clients include large and medium-sized firms as well as international companies and associations from a wide variety of different areas. Martin Wirtz studied law at the University of Passau, the University of Freiburg, the University of Cologne, and at Queens' Colle...

Tim Johannsen-Roth is a lawyer recognized by Best Lawyers in the practice areas of Corporate Law and Mergers and Acquisitions Law. Tim practices law in Düsseldorf, Germany Best Lawyers has recognized Tim Johannsen-Roth since 2019. 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 Tim Johannsen-Roth is held by other lawyers.

Dr Adalbert Rödding advises national and international companies on all matters of taxation, particularly for M&A transactions, and on issues of restructuring, leveraged buy-outs, private equity transactions, real estate transactions and the acquisition and sale of distressed assets. He also assists companies in company audits and taxation disputes.

Martin Hohgardt is a lawyer recognized by Best Lawyers in the practice area of Intellectual Property Law. Martin Hohgardt’s main areas of practice involve patent prosecution, patent nullity proceedings, opposition proceedings and patent litigation in various technical fields. His technical fields include telecommunications, electrical engineering, special-purpose machinery manufacture, computer-implemented inventions, ciphering systems and medical devices. Martin Hohgardt is responsible...

Christian Pinnow is a lawyer recognized by Best Lawyers in the practice areas of Biotechnology Law and Life Sciences Practice and Health Care Law. Christian practices law in Düsseldorf, Germany Best Lawyers has recognized Christian Pinnow 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 Christian Pinnow is held by other lawyers.

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.

Kai Tumbrägel is a lawyer recognized by Best Lawyers in the practice areas of Intellectual Property Law and Media Law. Kai practices law in Cologne, Germany Best Lawyers has recognized Kai Tumbrägel 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 Kai Tumbrägel is held by other lawyers.

Jens Ortmanns is a lawyer recognized by Best Lawyers in the practice areas of Corporate Law, Private Equity Law and Real Estate Law. Jens practices law in Düsseldorf, Germany Best Lawyers has recognized Jens Ortmanns since 2017. 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 Ortmanns is held by other lawyers.

Christoph Angerhausen is a lawyer recognized by Best Lawyers in the practice area of Intellectual Property Law. Christoph practices law in Düsseldorf, Germany Best Lawyers has recognized Christoph Angerhausen 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 Christoph Angerhausen is held by other lawyers.

Dipl.-Kfm. Dr. iur. Maximilian Koch is the Managing Director and Founder of KOCH Rechtsanwaltsgesellschaft mbH in Dusseldorf, Germany. He studied economics at the University of Hagen (Diplom-Kaufmann) and law at the University of Osnabruck (1st legal state exam with honors, ranking among the top 5% of graduates), in addition to earning his Dr. iur. "summa cum laude". After completing his legal clerkship in Lower Saxony, he excelled in the 2nd state law examination, achieving a high distinctio...