Dr iur Marcel Dietrich > Homburger > Zurich, Switzerland > Lawyer Profile

Marcel Dietrich photo

Work Department

Competition | Regulatory.


Partner. Swiss and European competition and antitrust law, administrative and civil antitrust litigation, merger control including notifications before the Swiss Competition Commission and the European Commission, coordination of multinational merger control filings, regulated markets such as telecommunication, energy, transport, media, pharma/health care, and public procurement.


Qualified in 1990. Joined Homburger in 1996, became Partner in 2001, Head of Homburger’s Competition | Regulatory practice.


German, English, French.


Swiss and Zurich Bar Associations, International Bar Association, Studienvereinigung Kartellrecht, ASAS Association suisse du droit de la concurrence, ASA Association Suisse de l’Arbitrage.


Graduated from the Universities of Fribourg (lic iur, Dr iur) and Leicester (LLM).

Lawyer Rankings

Switzerland > Leading firms: German-speaking Switzerland

Homburger is an established player in the market and is particularly noted for its corporate, M&A and capital markets as well as its banking and finance practice, where Benedikt MaurenbrecherRené Bösch and Daniel Daeniker are key names. Other areas of expertise include dispute resolution, competition, tax, and IP and TMT, where the key contacts are Balz Gross and Felix DasserMarcel Dietrich and Franz HoffetPeter Riedweg and Dieter Grünblatt; and Georg Rauber. David Rosenthal left the firm.

Switzerland > Public law

The public law practice at Homburger has experience in regulated sectors, including the energy, IT, healthcare and pharmaceutical industries, and also handles work for various blue-chip clients. Highlights included representing Siemens in a Swiss merger control procedure; acting for Alpiq in a dispute with Romanian suppliers relating to electricity provision; and representing Implenia in public procurement proceedings. Other clients include Airbus, Booking.com and Nestlé. Competition law expert Marcel Dietrich and international disputes specialist Mariella Orelli lead the team; Richard Stäuber made partner in January 2020.

Switzerland > Competition

(Leading individuals)

Marcel DietrichHomburger

Homburger has an established competition team, which covers the full scope of matters, ranging from advising on regulated markets, EU law and merger control filings as well as representing national and international companies in proceedings. Department head Marcel Dietrich has a comprehensive practice and more than 20 years of experience in the field. Franz Hoffet is the other key contact at the firm; he is particularly well versed in administrative and civil antitrust litigation. Richard Stäuber, who has the same focus, made partner in early 2020.

Switzerland > Real estate and construction

Noted for its broad practice, Homburger has particularly strong experience in transactions as well as non-transactional regulatory and contractual matters. The team works across departments and can combine tax, corporate financing and dispute resolution expertise. Daniel Hasler heads the team and has a comprehensive background in the field. He is supported by Marcel Dietrich, who specialises in competition and regulatory matters. Stefan Gäumann is a dedicated senior associate.

Switzerland > Healthcare and life sciences

Homburger‘s life sciences practice fields specialists from the corporate, M&A, IP, competition and regulatory areas. It is often involved in significant transactions, proceedings and patent matters. The latter is a key area of expertise of Andri Hess, who is, together with Georg Rauber, the key contact in IP-related queries. Dieter Gericke is active in transactions, while Franz Hoffet and Marcel Dietrich cover competition, compliance and regulatory matters. Richard Stäuber and Luca Dal Molin made partner at the beginning of 2020.