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Oscar Amstad

Attorney at Law, CAS M&A, ArbP

Partner

Oscar Amstad has been a partner at RUOSS VÖGELE since 2020. He regularly advises companies and private individuals from Switzerland and abroad in various fields of law, with a focus on commercial, corporate, contract and employment law issues and represents parties before state courts and arbitration tribunals. His field of practice covers a wide range of industry sectors. He provides comprehensive assistance and tailored solutions to small and medium-sized companies working in technology, finance, trade and services. Oscar Amstad regularly handles litigation in the field of media law. He also assists clients in the enforcement of domestic and foreign court rulings.

Expertise

Commercial contract law
Corporate and commercial law
Mergers and acquisitions
Inheritance law, estate planning and company succession
Employment law and human resources
Regulatory, compliance and internal investigations
Competition law, antitrust law
Media law
Litigation
Arbitration

Languages

German, English

Work experience

  • since 2020Partner at RUOSS VÖGELE
  • 2012 - 2020Partner at a business law firm, Zurich
  • 2008 - 2012Associate at a law firm, Lucerne
  • 2006 - 2007Law clerk at the court and junior associate at a law firm, Lucerne

Lecturing

Education

  • 2025Adjunct Professor (venia legendi, private and business law), University of Zurich
  • 2019Swiss Arbitration Academy, practitioner’s course (ArbP), Zurich
  • 2018CAS International Business Law (M&A and corporate law), University of Zurich
  • 2011Admitted to the bar (all Swiss courts)
  • 2006Exchange-semester at Eberhard Karls University of Tübingen, Germany
  • 2004 - 2006Academic assistant to the Chair of Civil Law, University of Fribourg
  • 2000 - 2004University of Fribourg, lic. iur.

Memberships

Swiss Bar Association (SAV)

Zurich Bar Association (ZAV)

International Bar Association (IBA)

Zurich Association of Legal Practitioners (ZJV)

Swiss Lawyers’ Association (SJV)

Member of the ZAV commercial law, inheritance law, employment law, media law and civil procedure chapters

Association Alumni IUS Frilex

International Association of Young Lawyers (AIJA)

German-Swiss Chamber of Commerce

ECS Ethics and Compliance Switzerland

Delegate of the FDP political party, City of Zurich

Publications

No items found.

Link to the University of Zurich (Courses, Speaking Engagements etc.)

Publications

Speaking Engagements

Publikationen

Publications

Insurance and Pension Law

Financial service providers in civil proceedings (2026)
Financial service providers in civil proceedings (2026)
Conflicts of interest in the distribution of insurance and investment products (2025)
Conflicts of interest in the distribution of insurance and investment products (2025)
Legal assessment of the increase in rates and premiums in private insurance (2025)
Legal assessment of the increase in rates and premiums in private insurance (2025)
Abuse in supplementary health insurance (2025)
Abuse in supplementary health insurance (2025)
Simplifications and Exemption from Supervision under the Revised Insurance Supervision Act (2024)
Simplifications and Exemption from Supervision under the Revised Insurance Supervision Act (2024)
Update on the Implementation of the Revised Law on Intermediaries (2024)
Update on the Implementation of the Revised Law on Intermediaries (2024)
Revised and possibly generally binding Industry Agreement "Intermediaries" (2023)
Revised and possibly generally binding Industry Agreement "Intermediaries" (2023)
VAG/AVO revised: Need for action in insurance mediation (2023)
VAG/AVO revised: Need for action in insurance mediation (2023)
Surplus Participation (discussion of court decision) (2023)
Surplus Participation (discussion of court decision) (2023)
Relative market power with a focus on the insurance and financial sectors (2022)
Relative market power with a focus on the insurance and financial sectors (2022)
Partial Revision of VAG and AVO in a Nutshell (2022)
Partial Revision of VAG and AVO in a Nutshell (2022)
Planned Partial Revision of the Swiss Insurance Supervision Act in a Nutshell (2020)
Planned Partial Revision of the Swiss Insurance Supervision Act in a Nutshell (2020)
Remuneration of Service Providers and Insurance Brokers in Triangular Relationship (2020)
Remuneration of Service Providers and Insurance Brokers in Triangular Relationship (2020)
Partial Revision of the Swiss Insurance Contract Act in a Nutshell (2020)
Partial Revision of the Swiss Insurance Contract Act in a Nutshell (2020)
Reinsurance through Swiss Reinsurers (2019)
Reinsurance through Swiss Reinsurers (2019)
Insurance and Asset Management in Occupational Pension Plan and Self-provision (2019)
Insurance and Asset Management in Occupational Pension Plan and Self-provision (2019)
Use of Group Policies in Swiss Private Insurance Law (2018)
Use of Group Policies in Swiss Private Insurance Law (2018)
Multinational Insurance and Insurance Distribution Business (2018)
Multinational Insurance and Insurance Distribution Business (2018)
Mandatory and Voluntary Isurance through Private Insurers in Switzerland (2017)
Mandatory and Voluntary Isurance through Private Insurers in Switzerland (2017)
Non-Competition Agreements and Market Dominance with Special Focus on the Swiss Insurance Market (2013)
Non-Competition Agreements and Market Dominance with Special Focus on the Swiss Insurance Market (2013)
Restructuring of an Insurance Group (Overview) (2013)
Restructuring of an Insurance Group (Overview) (2013)
New Swiss Supervision of Insurance Intermediaries (AJP 4/2005)
New Swiss Supervision of Insurance Intermediaries (AJP 4/2005)
Matching between Supervision and Liability in the New Law on Insurance Distribution, SZW 2/2005
Matching between Supervision and Liability in the New Law on Insurance Distribution, SZW 2/2005
Asset Protection through Swiss Life Insurance (Schweizer Treuhänder, 12/03)
Asset Protection through Swiss Life Insurance (Schweizer Treuhänder, 12/03)

Corporate and Transactional Law

Level-appropriate Corporate Reorganization (2021)
Level-appropriate Corporate Reorganization (2021)
Capital loss and balance sheet improvement (2021)
Capital loss and balance sheet improvement (2021)
Revision of Swiss Stock Corporation Law with References to Deviating Supervisory Law (2021)
Revision of Swiss Stock Corporation Law with References to Deviating Supervisory Law (2021)
Regulation and Regulatory Avoidance in Public Corporate Finance (2019)
Regulation and Regulatory Avoidance in Public Corporate Finance (2019)
Private Equity in Switzerland: Avoiding Regulations and Optimizing Structure (2016)
Private Equity in Switzerland: Avoiding Regulations and Optimizing Structure (2016)
Accountability and Liability of the Board of Directors (an Overview) (2013)
Accountability and Liability of the Board of Directors (an Overview) (2013)
Equity Requirement and Equity Protection in Swiss Corporate and Supervisory Law (2011)
Equity Requirement and Equity Protection in Swiss Corporate and Supervisory Law (2011)
Transformation according to the New Merger Act, (Contribution in: Staempfli Commentary on New Merger Act) (2003)
Transformation according to the New Merger Act, (Contribution in: Staempfli Commentary on New Merger Act) (2003)
The Fulfilled Debt Contract, (Dissertation in AISUF, no. 149) (1995)
The Fulfilled Debt Contract, (Dissertation in AISUF, no. 149) (1995)

Financial Services Law

Financial service providers in civil proceedings (2026)
Financial service providers in civil proceedings (2026)
Conflicts of interest in the distribution of insurance and investment products (2025)
Conflicts of interest in the distribution of insurance and investment products (2025)
Independent Asset Managers with Customers in EU (2021)
Independent Asset Managers with Customers in EU (2021)
FinSA and FinIA in Comparison with EU Regulations (2020)
FinSA and FinIA in Comparison with EU Regulations (2020)
Swiss Supervisory Law Optimization through Private Structuring (2015)
Swiss Supervisory Law Optimization through Private Structuring (2015)
How to Deal with Swiss Financial Market Supervision (2014)
How to Deal with Swiss Financial Market Supervision (2014)
Swiss Supervisory Law Optimization in the Area of Independent Asset Management (2013)
Swiss Supervisory Law Optimization in the Area of Independent Asset Management (2013)
Enforcement of monetary claims under the new ZPO (2011)
Enforcement of monetary claims under the new ZPO (2011)
Avoiding regulation of private equity investments in Switzerland (2011)
Avoiding regulation of private equity investments in Switzerland (2011)
Swiss Financial Market Law, a Practical Guide, (Book published in Schulthess Juristische Medien) (2003)
Swiss Financial Market Law, a Practical Guide, (Book published in Schulthess Juristische Medien) (2003)

Data Protection Law

Revised data protection law (2023)
Revised data protection law (2023)
Draft of the DSG in comparison with the DSGVO (2019)
Draft of the DSG in comparison with the DSGVO (2019)
Risk-based Implementation of GDPR by Swiss Companies (2018)
Risk-based Implementation of GDPR by Swiss Companies (2018)
Regulating Data Protection in Multinational Companies (2014)
Regulating Data Protection in Multinational Companies (2014)
Retention of Records and Data by Swiss Companies (2006)
Retention of Records and Data by Swiss Companies (2006)

Legal Philosophy and Legal Theory

Reduction of Legal and Reputation Risks through Anticipative Implementation of Norms in Companies (2017)
Reduction of Legal and Reputation Risks through Anticipative Implementation of Norms in Companies (2017)
Realistic Understanding of Law and Management of Legal Risk (2016)
Realistic Understanding of Law and Management of Legal Risk (2016)

News of

Oscar Amstad

Deals & Cases
30
.
06
.
2026

Corporate Law Dispute

RUOSS VÖGELE successfully represented a Swiss holding company in a complex dispute involving several group companies and their indirect owners. The claimant shareholder initiated multiple parallel proceedings, including two interim relief proceedings as well as an application for court-ordered organisational measures under art. 731b of the Swiss Code of Obligations, which the competent district court recently dismissed in full. Practice area: litigation
Deals & Cases
01
.
12
.
2025

Execution of Will

Oscar Amstad acts as executor of the estate of a testator residing in Geneva with several properties in German- and French-speaking Switzerland and assets in Switzerland and abroad. In addition to implementing the testator's wishes in connection with the preparation and execution of the distribution of the estate and the payment of legacies, the advice also includes the transfer of the properties to the surviving spouse and correspondence with various probate authorities. In addition, RUOSS VÖGELE advises the heirs on the offsetting of advance inheritance payments received in the upcoming second estate of the testator's spouse and on the settlement of debts among the heirs. Practice area: inheritance law
Deals & Cases
19
.
12
.
2024

Attachment proceedings

RUOSS VÖGELE successfully represented a community of heirs in attachment proceedings against a debtor residing abroad and whose bank accounts had been frozen in Switzerland. The purpose of the attachment in this case was to secure claims of the heirs based on a divorce decree and claims for reduction in connection with the donation of the proceeds from the sale of a property.
Oscar Amstad
Attorney at Law, CAS M&A, ArbP
Partner

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RUOSS VÖGELE
Rechtsanwälte - Attorneys at Law
Kreuzstrasse 54
CH-8032 Zürich
+41 44 250 43 00
amstad@ruossvoegele.ch
Languages
German, English
Expertise
Commercial contract law
Corporate and commercial law
Mergers and acquisitions
Inheritance law, estate planning and company succession
Employment law and human resources
Regulatory, compliance and internal investigations
Competition law, antitrust law
Media law
Litigation
Arbitration
Work experience
  • since 2020Partner at RUOSS VÖGELE
  • 2012 - 2020Partner at a business law firm, Zurich
  • 2008 - 2012Associate at a law firm, Lucerne
  • 2006 - 2007Law clerk at the court and junior associate at a law firm, Lucerne
Lecturing
Education
  • 2019Swiss Arbitration Academy, practitioner’s course (ArbP), Zurich
  • 2018CAS International Business Law (M&A and corporate law), University of Zurich
  • 2011Admitted to the bar (all Swiss courts)
  • 2006Exchange-semester at Eberhard Karls University of Tübingen, Germany
  • 2004 - 2006Academic assistant to the Chair of Civil Law, University of Fribourg
  • 2000 - 2004University of Fribourg, lic. iur.