Thomas Sonnenberg
Recognized in Best Lawyers since 2025 About Thomas Sonnenberg
Thomas Sonnenberg is a lawyer based in Cologne, DE and has been recognized in The Best Lawyers in Germany™ since 2025. Thomas Sonnenberg is recognized in the following practice area:
- Cologne, Germany
- Mergers and Acquisitions Law
Current Firm: CMS Hasche Sigle
Location: Cologne, DE
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Since 2009, Simone Zündorf has specialised in construction and architectural law as well as real estate law. She advises and represents clients in services contract law, both in and out of court, and conducts mediation proceedings. Zündorf also advises numerous small and medium-sized companies on commercial law matters and regularly provides legal training for clients, with a focus on contract drafting. She is based in Düsseldorf.
Patent attorney Markus Kreuzberg has more than 20 years of experience in patent and utility model law and extensive expertise in international intellectual property law. His other areas of expertise include employee invention law, trademark law, and design protection. He represents clients before the German Patent and Trademark Office (DPMA), the Federal Patent Court (BPatG), the European Patent Office (EPO), the European Union Intellectual Property Office (EUIPO), and the World Intellectual ...
Christian Bürger is a lawyer recognized by Best Lawyers in the practice area of Competition / Antitrust Law. Christian practices law in Cologne, Germany Best Lawyers has recognized Christian Bürger 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 Christian Bürger is held by other lawyers.
Born in 1969 Legal studies at Bielefeld University First Exam ("1. Staatsexamen") in 1995 Research associate under Prof. Dr. Gerhard Otte (Chair for Civil Law, Civil Procedure and Legal History) at Bielefeld University, 1995 - 1998 Legal clerkship ("Referendariat") at the Bielefeld District Court Second (Bar) Exam ("2. Staatsexamen") in 1997 Judge at the Güstrow Local Court, 1998 - 1999 Bar admission in 1999 and with the firm since then Doctor of Laws (Dr. jur.) 2002 Appointment as notar...
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