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Patrick Schleiffer

Lenz & Staehelin

2026_IFLR1000 Highly Regarded Lawyer.svg
Position: Partner
Rating:
  • Highly regarded
Bar Admissions:
Switzerland
New York
Practice Areas:
Capital markets
Financial services regulatory
Jurisdictions:
Languages:
German
English
French
Biography

Dr. Patrick Schleiffer is a partner based at our Zurich office and a leading expert on financial market law. His specialisms include capital markets, stock exchange and securities law, investment fund law, financial services regulation, and corporate law and corporate governance. Patrick has been admitted as an expert to SIX Swiss Exchange for Listing Purposes. He also lectures on capital markets and securities law at the University of Zurich, is a regular speaker at conferences and co-editor of the Swiss internet-based newsletter CapLaw, and an officer of the Securities and Capital Markets Committee of the International Bar Association (IBA).

Practice areas
  • Capital markets: Debt
  • Capital markets: Equity
  • Capital markets: High yield
  • Financial services regulatory
  • Investment funds
Sector specialisations

  • Capital Markets
  • Equity Offering
  • Domestic and International Bond and Equity-linked Securities Offerings
  • Investment Funds
  • Financial Services Regulation
  • Banking and Finance
  • Corporate and M&A
  • Corporate Governance
  • Commercial and Contracts
Bar admissions
  • Switzerland
  • New York
Association memberships
  • Zurich Bar Association (ZAV) 
  • Swiss Bar Association (SAV)
  • International Bar Association (IBA)
  • Swiss American Chamber of Commerce
  • New York State Bar Association (NYSBA)
  • Admitted as recognized representative for the listing of securities on the SIX Swiss Exchange
Academic qualifications
  • University of Zurich (lic. iur., 1989)
  • University of Zurich (Dr. iur., 1992)
  • New York University School of Law (M.C.J., 1996)