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Dr iur Marcel Dietrich

Work +41 43 222 10 00

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.


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).



Within: Leading individuals

Marcel Dietrich - Homburger

Within: Competition

As 'one of the top practices in Europe', Homburger's 'excellent team' impresses with its 'outstanding knowledge, regular client communication and 24-hour availability'. Handling both Swiss and European competition and antitrust matters, as well as administrative and civil court proceedings, the practice focuses on merger control notifications and filings, litigation and investigations in connection with horizontal and vertical restraints, as well as compliance and contractual matters. It fields a team of 'experienced' practitioners including the 'well-connected and solution-driven' Marcel Dietrich and 'thorough, efficient and thoughtful' counsel Andreas Burger, who have significant strength in the regulated industries. Dietrich assisted Alpiq with all competition aspects concerning the CHF800m acquisition of Alpiq In Tec and Kraftanlagen München by Bouygues. Franz Hoffet is representing Airbus in Swiss merger control proceedings., ChemChina and Clariant also feature in its client roster.

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Healthcare and life sciences

Within: Healthcare and life sciences

Homburger handles a range of matters for clients in the healthcare and life sciences industry, including intellectual property, M&A, regulatory advice and dispute resolution. IP partner Andri Hess is representing Novartis in the enforcement of several blockbuster drug patents in court and is also defending the client against nullity actions brought by competitors. Another recent highlight was Dieter Gericke's advice to ChemChina on its $43bn acquisition of Syngenta via a public tender offer. Marcel Dietrich and Franz Hoffet are the key contacts for regulatory and competition law matters.

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Leading firms: German-speaking Switzerland

Within: Leading firms: German-speaking Switzerland

As one of the best firms in Zurich, Homburger delivers superb work on banking and finance, corporate, M&A and capital markets law. René Bösch, Benedikt Maurenbrecher and Daniel Daeniker are the key contacts. Other prominent areas include Franz Hoffet's and Marcel Dietrich's competition practice, the dispute resolution work of Felix Dasser and Balz Gross, as well as the IP and TMT departments, led by Georg Rauber and David Rosenthal. Dieter Grünblatt and Peter Riedweg are recognised for their tax expertise.

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Public law

Within: Public law

Acting for sovereign states, companies and financial institutions, Homburger has considerable experience in the energy, IT, pharmaceutical, healthcare and banking sectors. Marcel Dietrich is advising on the restructuring of Alpiq's energy distribution network in accordance with Swiss market liberalisation and regulatory requirements, and is representing Implenia in several public procurement procedures.

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Real estate and construction

Within: Real estate and construction

The real estate practice at Homburger has 'a very good reputation in the market' due to its 'hands-on approach, flexibility and responsiveness'. Its experience covers transactions, various types of contracts, agreements and permits, dispute resolution, infrastructure projects and financing matters. Recent highlights include handling the structuring and implementation of a mortgage financing platform for UBS Switzerland, as well as assisting Careal and Amag with obtaining a construction permit for the realisation of a public car park in central Switzerland. Key names include Daniel Hasler, Marcel Dietrich, Stefan Kramer, Balz Gross and Gabrielle Nater-Bass.

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