Stefan Rau

Dr. Johann Pitz is a partner at Vossius & Partner Patentanwälte Rechtsanwälte mbB in Munich. He founded and developed the firm’s legal patent department and focuses his practice on Intellectual Property Law and Litigation . His work centers on patent litigation, invalidity actions, and opposition proceedings before German civil courts, the Federal Patent Court, the European Patent Office, and the Federal Supreme Court. Admitted as an attorney-at-law in 1991, Dr. Pitz repre...

Qualified to practice law in New York and Germany, Gebhard serves as counsel and as arbitrator. Gebhard has advised a broad range of clients across many industries, including energy and natural resources, healthcare and pharmaceuticals, manufacturing, and financial services. He has acted in many investment and commercial disputes, including high-value post-M&A arbitrations, price revisions under some of Europe’s largest gas import contracts, and disputes arising from other long-term...

Dr. Christof Karl specializes in litigation and prosecution of patents, particularly in the technical fields of computer hardware and software. He has extensive experience in multi-jurisdictional cases in the field of telecommunications, including with regard to all aspects of patent-related anti-trust law. He also advises clients on issues of licensing, employee invention law, copyright law and Internet law. Dr. Karl represents clients in patent infringement proceedings before the German Reg...

Arnold Asmussen is a partner at Vossius & Partner Patentanwälte Rechtsanwälte mbB in Munich, where he focuses on Intellectual Property Law with an emphasis on patent matters. He began his professional training in intellectual property in 1996 and joined VOSSIUS & PARTNER in 1997. He qualified as a European Patent Attorney in 2003 and became a German Patent Attorney (Patentanwalt) and a European Trademark & Design Attorney in 2005. In 2007, he was admitted to the partners...

Dr. Thomas Stögmüller, LL.M. (Berkeley) is an attorney admitted to practice in Germany and a certified specialist attorney for information technology law . He specializes in advice concerning IT, telecoms, copyrights and software law, outsourcing, data protection, intellectual property and antitrust . Another focus is on recent legal developments concerning Artificial Intelligence (AI) and cybersecurity . Thomas drafts, reviews and negotiates license agreements, project, outsourcing...

Dr Dirk Brückner (Lawyer of the Year Real Estate Law, Bayern 2025, 2021) is one of the leading real estate lawyers in Germany. He had a leading role in supporting some of the largest transactions in Germany, including transactions for Art-Invest, Hines, Accumulata, Patrizia and Real I.S. AG. Specialization: real estate transactions, real estate joint ventures. Short Biography: Universities of Munich and Passau Academic member of staff at the “Institut für gewerblichen Rechtsch...

Dr. Paul Tauchner is a Munich-based Patent Attorney with Vossius & Partner Patentanwälte Rechtsanwälte mbB , practicing in the field of Intellectual Property Law. He studied chemistry at the University of Munich and received his Ph.D. from the Institute of Organic Chemistry in 1974. After completing his professional training in intellectual property at VOSSIUS & PARTNER, he was admitted as a German Patent Attorney (Patentanwalt) in 1977, a European Patent Attorney in 1978, a...

Since 2021: Kantenwein • Zimmermann • Spatscheck & Partner, salary partner 2018 – 2021: Kantenwein • Zimmermann • Spatscheck & Partner, tax consultant 2016 – 2018: Kantenwein • Zimmermann • Fox • Kröck & Partner, tax consultant 2012 – 2016: International law firm, Munich office, paralegal tax 2007 – 2012: University of Augsburg, diploma degree program for law and business administration studies

Since 2018: Kantenwein • Zimmermann • Spatscheck & Partner, partner 2007 – 2018: Kantenwein • Zimmermann • Fox • Kröck & Partner, partner 2005 – 2007: International law firm, Munich office, managing associate 2002 – 2005: International law firm, Munich office, tax consultant 1997 – 2002: Ludwig-Maximilians-University of Munich, research assistant

Simon Groneberg is a lawyer recognized by Best Lawyers in the practice area of Energy Law. Simon practices law in Düsseldorf, Germany Best Lawyers has recognized Simon Groneberg 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 Simon Groneberg is held by other lawyers.