Urs Boller, LL.M., MCIArb

Partner, Zurich

Schiffbaustrasse 2 | P.O. Box | CH-8031 Zurich | Switzerland

Schiffbaustrasse 2 | P.O. Box | CH-8031 Zurich | Switzerland
T +41 58 552 02 20
urs.boller@mll-legal.com

Profile

Urs Boller is a partner and co-heads the Dispute Resolution practice in Zurich. He specialises in complex cross-border proceedings before Swiss courts and international arbitral tribunals.

In his more than 15 years of experience as a disputes lawyer, Urs Boller has been involved in numerous court and arbitration proceedings (including proceedings under the ICC Rules, Swiss Rules and ad-hoc proceedings). He has represented clients in a wide range of industries, including mechanical engineering, construction, transportation, energy, aviation, banking, consulting, M&A and IP/IT.

A particular focus of his work is debt collection and bankruptcy law. Urs Boller has extensive experience in attachment proceedings and in the cross-border enforcement of foreign judgments and arbitral awards. He also represents clients in proceedings concerning international mutual legal assistance in civil and criminal matters.

Urs Boller joined MLL Legal in 2009 and has been a partner since 2017. Before joining MLL Legal, Urs Boller was a executive law clerk and substitute judge at the District Court of Zurich, where he mainly dealt with interim measures, enforcement law and attachment proceedings.

Urs Boller is listed in Legal 500 and Chambers, among others, and is recognized as a «Future Leader in Commercial Litigation» by Lexology Index (formerly Who’s Who Legal).

Practice Areas

Industry Groups

Rankings & Awards

Chambers and Partners Global 2025 Urs Boller

Lexology Index Commercial Litigation 2024

Chambers and Partners Litigation up and coming 2024

“Urs Boller is our go-to lawyer” – Chambers and Partners Global, Litigation, 2025
“Urs Boller is recognized by Who’s Who Legal as a Future Leader in Commercial Litigation” – Who’s Who Legal, Commercial Litigation, 2024
“I think Urs Boller is an outstanding lawyer” – Chambers and Partners Global, Litigation, 2024
“Mr. Boller played key role in the development of legal strategy and its implementation, inlcuding relevant legal means of protection. Suggested legal solutions in most complex cases” – Legal 500 EMEA, Insolvency and Corporate Recovery, 2023
“Urs Boller is an outstanding lawyer with a profound knowledge of Swiss bankruptcy and procedural law. His opinions are always sharp, balanced, insightful and comprehensive. He has an ability to understand the needs of a client at once and present a variety of possible solutions. He has outstanding analytical abilities and a strategic view of the situation” – Legal 500 EMEA, Insolvency and Corporate Recovery, 2022
“Urs Boller is an experienced litigator, who is easy to work with. He has the ability to carefully analyse the details of a case at a molecular level, however without losing sight of the big picture” – Legal 500 EMEA, Dispute Resolution: Litigation, 2022
Urs Boller is recommended in The Legal 500 EMEA, Arbitration, 2022
“He is an outstanding lawyer with a profound knowledge of Swiss bankruptcy and procedural law. He is very careful and precise in his legal research, his advice is always constructive, well-balanced, insightful. He has an ability to understand even very complicated legal problems and present a solution which suits the needs of a client the best. His outstanding analytical abilities and strategic view of the situation are really invaluable. He is also very nice and friendly, a great person to work with” – IFLR 1000, 2021-22
“Understands the business and applies legal solutions very well” – IFLR 1000, 2021-22
“Urs Boller: he is pragmatic, efficient and great to work with” – Legal 500 EMEA, 2021
“Urs Boller has excellent analytical skills. He is particularly good at grasping the relevant facts of a case and condensing them into a well-structured and persuasive submission, which is pleasant to read” – Legal 500 EMEA, 2021
“Urs Boller is an outstanding lawyer with a profound knowledge of Swiss bankruptcy and procedural law. His opinions are always sharp, balanced, insightful and comprehensive. He has an ability to understand the needs of a client at once and present a variety of possible solutions. He has outstanding analytical abilities and a strategic view of the situation” – Legal 500 EMEA, 2021
“Urs Boller is thorough, well prepared and won a hopeless case for me. The difference was in the details and he also listened to ideas from the client” – Legal 500 EMEA, 2021
“Throughout our longstanding relationship we have been dealing constantly with the same professionals, mainly Marcel Lustenberger and Urs Boller, which has created a strong mutual trust” – Legal 500 EMEA, 2021

Deals & Cases

Counsel in an ICC arbitration regarding a subcontractor agreement for the construction of tanks for a power plant in Morocco
Successfully defended an asset management company against liability claims
Counsel in an ICC arbitration regarding a Software as a Service agreement
Advising and representing a bank in connection with the recognition and enforcement of a world wide freezing order in Switzerland (amount in dispute: USD 2.6 billion)
Counsel in an ICC arbitration regarding a dispute arising out of a consortium agreement entered into for the construction of a power plant in Saudi Arabia
Successfully obtained an attachment of a real estate property belonging to a third party (piercing the corporate veil)
Representing a manufacturer of orthopedic implants in ICC arbitration proceedings regarding a dispute arising out of an agreement for the supply of medical devices
Successfully obtained an attachment for a claim of USD 20 million based on an ICC arbitration award
Representing an international investment fund regarding a claim for director’s liability in the amount of USD 26 million (including proceedings before the Swiss Federal Supreme Court)
Counsel in a Swiss Rules arbitration regarding a dispute arising out of a shareholders’ agreement
Successfully defended a bank against claims resulting from allegedly unauthorized transactions
Co-counsel in an ICC arbitration against a large multinational group of companies regarding a dispute over commission payments in an amount of more than USD 100 million
Representing a fibre network operator in court proceedings regarding disputed fees for the use of public infrastructure

Education & Admission

Queen Mary University of London, LL.M. in Comparative and International Dispute Resolution (2014)
Admitted to the bar in Switzerland (2007)
University of Zurich, lic.iur. (2003)