Michael Hamm

Partner Mark Cagienard specialises in tax law, covering individual and corporate taxation both on a domestic and international level with a particular focus on corporate finance, M&A and VAT. Mark Cagienard assists clients frequently in obtaining tax rulings and represents them in front of courts and tax authorities. Mark Cagienard graduated from the University of Zurich in 2006 (magna cum laude) and was admitted to the bar in 2008. In 2012 he qualified as a Swiss Certified Tax Expert. In...

Partner Dr Patrick Sommer is Co-Head of the CMS Competition & EU Group. In this position, he jointly leads an international team of more than 170 competition lawyers. Patrick Sommer focuses on competition law, corporate law and M&A. Patrick Sommer has graduated from the University of St.Gallen in 1987 and was admitted to the bar in 1989. He has written his doctoral thesis on the relationship of Switzerland to the European Union and completed postgraduate studies at the Collège ...

Dr. Reto Arpagaus has been recognized by Best Lawyers since 2019 in the practice area Banking and Finance Law. He supports Swiss and international companies, entrepreneurs and private individuals in drafting and reviewing contracts as well as with corporate transactions, and he advises his clients in matters of regulatory investigations, corporate governance as well as in compliance law. Reto, who practices law in Zurich, represents clients before state courts and courts of arbitration. Dr. R...

Counsel Simone Brauchbar Birkhäuser advises and represents clients in connection with contentious and non-contentious issues relating to trademarks, designs, copyrights, patents, data protection, unfair competition and advertisement. She has substantial experience in the drafting and enforcement of contracts for the transfer of intellectual property rights, especially license agreements. She further regularly deals with all due diligence relevant IP/IT and data protection aspects of corp...

Managing Partner Jodok Wicki concentrates on dispute resolution, litigation and international arbitration. He heads the firm's dispute resolution group and leads also the litigation practice group of CMS. Jodok maintains an active practice of state court litigation and appellate proceedings in a variety of commercial matters, such as purchase and sales agreements, joint ventures, post M&A disputes, director and officer and auditor liability and product liability. He has also a particular ...

Dr. Ivo Hungerbühler is a top attorney recognized by Best Lawyers since 2011 in the practice areas Antitrust/Competition Law and Insolvency and Reorganization Law. Ivo, who practices law in Zurich, advises clients in complex litigation matters (including inheritance disputes) and represents them before civil and arbitration courts, regulatory and criminal authorities as well as in internal investigations. He represents clients in parallel proceedings (e.g. civil and criminal proceedings)...

Partner Stephan Werlen focuses on M&A and corporate law, joint ventures, MBOs, acquisition finance, venture capital transactions, corporate restructuring and corporate relocation. He has broad experience both in domestic and international mergers and acquisitions (including auction processes) and the financing of such transactions. In addition, he is an expert in W&I insurance transactions (M&A insurance) with a long track record in this area. Stephan Werlen also regularly advises...

Dr. Felix Kesselring is a top attorney recognized by Best Lawyers in the practice areas of Pharmaceuticals and Life Sciences Practice sinc 2027. Felix, who practices law in Zurich, advises Swiss and international companies in regulated markets such as healthcare, pharma, medical devices and life sciences. He regularly represents his clients before administrative authorities, administrative criminal authorities and courts.

Ingmar J.M. Snijders is a top attorney recognized by Best Lawyers in the practice area Trusts and Estates since 2023. Ingmar J.M., who practices law in Zurich, advises private clients since more then 20 years on all aspects of domestic and international estate planning, often in close collaboration with the tax team of Bratschi and in particular in relation to asset structuring, trusts and (charitable) foundations. The services offered include not only the set up but also administration, incl...

Partner & Certified Specialist SBA Construction and Real Estate Law Stefan Gerster is a partner with CMS Zurich since 2001. His practice focuses mainly on real estate law. He is the head of our internal practice group Real Estate & Construction. Among the clients of Stefan Gerster are Swiss and foreign institutional real estate investors, companies with corporate real estate matters and individuals. He provides advice in real estate transactions, including acquisition and financing as...