Ralf-Thomas Wittmann

Olaf Konzak is a partner in the Cologne office of Friedrich Graf von Westphalen & Partner and heads the public law practice. In September 2018, Olaf Konzak and a team of four lawyers from LLR Legerlotz Laschet und Partner moved to the FGvW office in Cologne. Since September 1, 2018, he has been a partner in the practice in public law. His practice focuses on environmental and waste law, chemicals and substances law and public building law. Olaf Konzak has been working as a lawyer since 19...

Dr. Christian Sandweg is a German Patent Attorney (Patentanwalt) and European Patent Attorney at Vossius & Partner Patentanwälte Rechtsanwälte mbB in Düsseldorf. He focuses his practice on Intellectual Property Law , advising clients on the protection and enforcement of patent rights. Dr. Sandweg joined VOSSIUS in 2011 and was admitted to practice as a German Patent Attorney and European Patent Attorney in 2015. As part of his professional training in intellectual property,...

Markus Schmülling is a top attorney recognized by Best Lawyers in the practice area(s) of Labor and Employment Law. Markus, who practices law in Cologne, Germany, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Markus 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...

Christian Krohs is a top attorney recognized by Best Lawyers in the practice area(s) of Competition / Antitrust Law. Christian, who practices law in Düsseldorf, Germany, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Christian is held by other top lawyers in the same geographic and legal practice area.

Katja Schramm is a top attorney recognized by Best Lawyers in the practice area(s) of Energy Law, Environmental Law and Regulatory Practice. Katja, who practices law in Düsseldorf, Germany, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Katja is held by other top lawyers in the same geographic and legal practice area.

Joachim C. Mohlitz is a top attorney recognized by Best Lawyers in the practice area(s) of Restructuring and Insolvency Law. Joachim C., who practices law in Essen, Germany, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Joachim C. is held by other top lawyers in the same geographic and legal practice area.

Michael Körner is a top attorney recognized by Best Lawyers in the practice area(s) of Public Law. Michael, who practices law in Cologne, Germany, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Michael is held by other top lawyers in the same geographic and legal practice area.

Ulrike is one of the leading personalities in the field of dispute resolution - in particular for national and international arbitration. Due to her expertise, she is regularly appointed as arbitrator and advises her clients as party representative in complex proceedings. Two main core areas of Ulrike’s practice are turn-key construction (including energy related projects) and post-M&A. She relies on her extensive experience as an advisor for corporate and M&A. Furthermore, she ...

Dr. Ute Jasper has been a lawyer at Heuking Kühn Lüer Wojtek since 1991 and a Partner since 1994. Dr. Jasper heads the Public Sector Department. With the department, she has designed and implemented numerous projects for the government as well as for large cities, counties and municipalities, such as large procurement procedures and investor competitions, but also strategic partnerships and PPPs in the fields of public transport, culture, sports, water, energy, construction, hospita...