Claus Ritzer

Dr. Dirk Harmsen is a German Patent Attorney, authorized representative before the European Patent Office as well as before the EUIPO and has been a partner at VOSSIUS & PARTNER since 2008. In his work as a patent attorney he focuses on grant, opposition and nullity proceedings before the European Patent Office, the German Patent and Trademark Office and the German Federal Patent Court. Dr. Harmsen has extensive experience in compiling validity and freedom-to-operate expert opinions as we...

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

Alexander P. F. Ehlers is a top attorney recognized by Best Lawyers in the practice area(s) of Biotechnology Law and Life Sciences Practice, Health Care Law, Litigation and Pharmaceuticals Law. Alexander P. F., who practices law in Munich, Germany, has been recognized since 2013. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Alexander P. F. is held by other top lawyers in the same geographic and legal practice area.

Sascha Sormann Attorney Certified specialist in tenancy and residential property law Partner Specialists area : Real estate law, commercial tenancy law, property transactions, litigation As a lawyer since 1999 and as a certified specialist in tenancy and residential property law since 2010, I advise national and international companies from the property industry as well as institutional investors on all legal issues arising in connection with the acquisition, management and sale of properties...

Ralf Euling has specialised exclusively in private construction and architectural law, commercial tenancy law, property law, and public procurement law since 1994. He primarily advises private clients and public sector entities operating under private law, including architects, engineers, project developers, and investors, on all aspects of private construction law, commercial tenancy law, and public procurement law. His expertise includes drafting and negotiating contracts with general contr...

Since 2025: Kantenwein Spatscheck Widmayer van Bevern & Partner Since 2018: Kantenwein • Zimmermann • Spatscheck & Partner, Partner 2015 – 2018: Kantenwein • Zimmermann • Fox • Kröck & Partner, Partner 2007 – 2015: Weil Gotshal & Manges, Munich office, Frankfurt office 2000 – 2007: Oppenhoff & Rädler, Linklaters, Berlin office, Frankfurt office 1996 – 2000: Lignitz, Berlin

Prof Dr Kuchler specialises in advising national and international companies, and the public sector, on matters of public construction, planning and environmental law, as well as public commercial law. He has considerable experience managing major complex project developments. Prof Dr Kuchler represents his clients both in and out of court at all levels, including before federal Courts.

Oded Schein is a top attorney recognized by Best Lawyers in the practice area(s) of Private Equity Law and Tax Law. Oded, who practices law in Munich, Germany, has been recognized since 2019. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Oded is held by other top lawyers in the same geographic and legal practice area.

Christine Lange Attorney Certified specialist in commercial and corporate law Partner Specialists area: Corporate law, c ommercial law, m ergers & acquisitions As a certified specialist in commercial and corporate law, I advise corporate groups with German investment companies as well as mostly medium-sized and smaller national companies on all matters of corporate law. My practice in corporate law covers all life cycle phases of a company, from its formation to capital measures such as f...

Christian W. Appelt is focused on personal counseling of SMEs in Germany and Europe in all aspects of Intellectual Property, especially Patents and Utility Models, and on representing and advising large, internationally active companies, especially from Japan, China, and the US. His technical concentration is on physics, mechanical engineering, electronics, and computer technology (ICT). Besides drafting and prosecuting patent applications, Christian W. Appelt especially concentrates on repre...