Matthias Oertle

Michael Isler is a partner and member of the management board in the product groups Intellectual Property, Information Technology and Data Protection. He regularly advises in complex outsourcing, technology transfer and platform projects from the conceptual and negotiation phase to dispute settlement. He further enjoys a vast experience in copyright, trademark and patent law. A particular focus of his work is dedicated to the life sciences and health sector. Michael Isler regularly publishes ...

Partner Marjolaine Jakob is the head of our insolvency and restructuring team of CMS Zurich. Her practice focuses on national and international insolvency law and related litigation. She advises clients in connection with insolvency proceedings and represents their interests in related proceedings before the competent courts and authorities. Marjolaine Jakob has broad experience in advising companies in restructuring proceedings. Further, she is a proven specialist in international insolvency...

Manuel Bigler is a managing associate in the firms’ practice area Intellectual Property (IP). He advises and represents clients in all aspects of IP law with a particular focus on trademark, patent and copyright law. His practice also includes unfair competition, media and advertising law. He regularly advises clients in negotiating IP and technology-related agreements, such as license agreements. Manuel Bigler is further specialized in representing clients in disputes before courts and...

Partner & Member of the Steering Committee of the CMS Competition & EU Group Marquard Christen specializes in competition (antitrust) and public procurement law. Marquard advises Swiss and foreign companies on all aspects of Swiss and EU competition law (horizontal and vertical agreements, dominance abuse, merger control and civil antitrust law) and represents them in proceedings before competition authorities and courts. Over the past 15 years, he has gained special knowledge in vari...

Hans-Jakob Diem is a corporate Partner at Lenz & Staehelin. He heads the firm's Corporate and M&A practice group and is the co-head of the Capital Markets practice group in Zurich. He has extensive experience in representing clients in a variety of corporate transactions, concentrating on mergers and acquisitions, capital market transactions, bank financings and corporate governance matters. Hans-Jakob Diem is regarded as a leading corporate practitioner in Switzerland and is regularl...

Ramona Wyss is a top attorney recognized by Best Lawyers in the practice area(s) of Public Law. Ramona, who practices law in Zürich, Switzerland, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Ramona is held by other top lawyers in the same geographic and legal practice area.

Fabienne Limacher is a top attorney recognized by Best Lawyers in the practice area(s) of Tax Law. Fabienne, who practices law in Zürich, Switzerland, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Fabienne is held by other top lawyers in the same geographic and legal practice area.

Roger Staub is a Partner in the Information Technology, Intellectual Property and Competition Team. He represents national and international companies from various industries, such as luxury goods, pharmaceuticals, food, financial services, fashion, medical devices and media. He specialises in litigating complex cases before state courts and arbitration tribunals. In addition, he advises clients in negotiating IP and technology-related contracts and in developing IP strategies. He also works ...

Markus Pfenninger is a partner in the Transactions Team. His fields of expertise include capital market transactions, mergers & acquisitions, finance, restructurings, collective investment schemes as well as banking and insurance regulatory matters. He is a member of the International Bar Association’s (IBA) Task Force on the Financial Crisis and a past chair of the IBA’s Subcommittee on Legal Opinions as well as a past co-chair of the IBA’s Banking Law Committee. Born i...

Daniel Glasl is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation. Daniel, who practices law in Zürich, Switzerland, has been recognized since 2011. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Daniel is held by other top lawyers in the same geographic and legal practice area.