Mariella
Orelli

Partner
  • Portrait
  • Career

Mariella Orelli’s practice focuses on international commercial arbitration. She regularly acts as party counsel and arbitrator in institutional and ad hoc proceedings relating to disputes governed by a variety of substantive laws. She has extensive experience in large international proceedings before state courts, in particular in the Commercial Courts.

Mariella Orelli is a partner in Homburger’s Litigation / Arbitration practice team. Her practice focuses on international commercial arbitration. She regularly acts as party counsel and arbitrator in institutional and ad hoc proceedings relating to disputes governed by a variety of substantive laws. In addition, she has extensive experience in large international proceedings before state courts, in particular in the Commercial Courts.

2007
Partner at Homburger
2000
Foreign Associate at Herbert Smith, London
1999
College of Europe, Bruges (LL.M.)
1997
Law clerk at the High Court for the Canton of Zurich (Commercial Division)
1993
University of Zurich (lic. iur.)

Mariella Orelli moves up in the rankings on the back of positive feedback, with clients reporting that she is ‹impressively bright and impressively tenacious›. She represents clients in ICC, ICSID and Swiss rules arbitrations, frequently acting on supply agreement cases. Orelli has a number of clients from the energy sector.

2020

Mariella Orelli is recognised for her top-tier handling of complex international commercial arbitrations and routinely acts before the commercial courts.

2020

Mariella Orelli is a go-to disputes specialist in Switzerland, commended for her considerable experience in contentious proceedings before state and commercial courts.

2020

Mariella Orelli is described as ‹an outstanding counsel› as well as a ‹great arbitrator and no-nonsense practitioner›.

2020

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Career

Mariella Orelli

Partner

Mariella Orelli is a partner in Homburger’s Litigation / Arbitration practice team. Her practice focuses on international commercial arbitration. She regularly acts as party counsel and arbitrator in institutional and ad hoc proceedings relating to disputes governed by a variety of substantive laws. In addition, she has extensive experience in large international proceedings before state courts, in particular in the Commercial Courts.

Mariella Orelli has acted as counsel in various landmark cases heard by the Swiss Federal Tribunal, such as the first ever successful application for the revision of an arbitral award. She is familiar with a number of industries, including banking & insurance, pharmaceuticals, agency and distributions, energy and construction and a wide range of M&A disputes. Recent assignments include:

  • Representation of Alpiq in ICSID arbitration against Romania relating to termination of power purchase agreement
  • Representation of Central European gas importer in various disputes arising under long term gas supply agreements and gas storage agreements
  • Representation of Japanese pharmaceutical group in complex arbitration against US distributor relating to FDA Good Manufacturing Practices
  • Representation of Middle East state entity against billionaire in high-stake dispute relating to joint venture agreement
  • Sole arbitrator in ICC arbitration relating to M&A post-closing dispute

“She is wonderful: highly responsive, goes into detail and gets to the point – a real pleasure to work with.” (Chambers Global 2016), “.. ‘incredibly quick and responsive’ (Legal500 2015 und 2016).

Career

2007
Partner at Homburger
2000
Foreign Associate at Herbert Smith, London
1999
Associate at Homburger
1999
College of Europe, Bruges (LL.M.)
1997
Law clerk at the High Court for the Canton of Zurich (Commercial Division)
1996
Bar admission
1994
Law clerk at the District Court of Zurich
1993
University of Zurich (lic. iur.)

Languages

French, English, German, Italian

Bar Registration

Admitted to the Swiss bar

Teams