Atty. Patrick Sommer
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.
Antitrust & Competition Law & More Attorney
Profile Summary
About Patrick Sommer at a Glance
Patrick Sommer is a business attorney, practicing at CMS von Erlach Partners Ltd. Admitted to practice in Switzerland, Zurich. Recognitions include Best Lawyers in America — Antitrust/Competition Law (2026) and Best Lawyers in America — Corporate Law (2026). Serves clients in Zurich and the surrounding metropolitan area.
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About Patrick Sommer
- 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 d’Europe in Brugues with the H.E.E. diploma
- He then worked for seven years in the legal department of a Swiss multinational group where he has been promoted to the offices of General Counsel and Secretary of the Board of Directors
- In 2000 Patrick Sommer joined our firm and is a partner since 2002
Practice Areas Explained
Patrick Sommer's Areas of Legal Practice
Each practice area below reflects the types of cases Patrick Sommer handles, with a practical overview of what that area of law involves and how it may apply to your situation in Zurich.
Business & Corporate Law in Zurich
Business attorneys advise founders and growing companies on entity formation, contracts, financing, M&A, and dispute resolution.
Patrick Sommer is one of 497,491 business attorneys indexed nationally. Browse business attorneys →
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Professional Profile
Why Clients in Zurich Choose Patrick Sommer
Selecting an attorney is one of the most consequential decisions you can make when a legal matter arises. Below are the core qualities that distinguish Patrick Sommer's practice in the field of business.
Focused Business Practice
Concentrating on business means Patrick Sommer's knowledge of relevant statutes, case law, and procedural nuances stays current — unlike generalist practices that spread attention across unrelated fields.
Local Presence in Zurich
A Zurich-based practice means Patrick Sommer attends hearings in the same courthouses, knows the local clerks, and understands the unwritten scheduling norms that affect every case filed here.
Case Types
Common Legal Issues Patrick Sommer Handles in Zurich
Below is a representative sample of the types of matters Patrick Sommer has experience with. If your situation involves one of these case categories, this attorney may be well positioned to help you understand your options.
This list is illustrative, not exhaustive. Contact Patrick Sommer directly to discuss the specifics of your situation.
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Patrick Sommer's Practice Areas & Specializations
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