Lawyers Hans-Jakob Diem

Hans-Jakob Diem

Partner
lic. iur., LL.M., Attorney at Law

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Location

Zurich

Contact

Direct phone: +41 58 658 52 25
hans-jakob.diem@walderwyss.com

Curriculum Vitae

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Areas of activity: Banking, Finance & Insurance Corporate / M&A Capital Markets Private Equity & Funds

Hans-Jakob Diem is regarded as a market-leading expert in Mergers & Acquisitions, corporate law and securities law matters. He has extensive experience in advising clients in acquisitions and disposals, leveraged buy-outs, public tender offers, mergers, spin-offs, takeover battles and proxy fights, both domestic and cross-border. He represents issuers and underwriters in IPOs, rights issues and other capital market transactions and represents companies and investors in takeover and securities law-related proceedings. In addition, he regularly advises boards of directors and executive management teams in corporate governance, corporate reporting and disclosure matters.

Besides his corporate practice, Hans-Jakob Diem is a lecturer at the Universities of Basel, Zurich and St. Gallen. He is a regular speaker at conferences on M&A, securities law and corporate law topics and the author of various legal textbooks, commentaries and specialist articles in these fields.

Hans-Jakob Diem completed his studies of law at the University of Basel in 1992. In 1995 he was admitted to the bar and obtained an LL.M. from the London School of Economics and Political Science in 1998.

Hans-Jakob Diem speaks German, English and French. He is registered with the Zurich Bar Register and admitted to practice in Switzerland.

Migros announces Sale of the Mibelle Group to Persán

31 March 2025

Migros announces Sale of Gowoonsesang Cosmetics (a Mibelle subsidiary) to L’Oréal

23 December 2024

SoftwareOne to launch tender offer for all outstanding Crayon shares

19 December 2024

IFLR 1000 Rankings - Walder Wyss as a top-performing law firm ranked

12 September 2024

Constantia Flexibles Acquires a Majority of Shares of Aluflexpack and Announces Public Tender Offer for Remaining Shares

16 February 2024

IFLR 1000 Rankings - Walder Wyss as a top-performing law firm ranked

22 September 2023

A new Partner strengthens our Corporate/M&A Team

4 September 2023

M&A-Transaktionen nach Schweizer Recht

2023 | by Hans-Jakob Diem | in:

25 Jahre M&A: Neueste M&A-Entwicklungen - von Fachleuten kommentiert

The Mergers & Acquisitions Review - Switzerland

2022 | by Hans-Jakob Diem and Andreas Rötheli | in: The Mergers & Acquisitions Review | pp. 384 et seq.

25 Jahre M&A: Neueste M&A-Entwicklungen - von Fachleuten kommentiert

2022 | by Hans-Jakob Diem | in: The Mergers & Acquisitions Review | pp. 384 et seq.

The Mergers & Acquisitions Review

2022 | by Hans-Jakob Diem | in: The Mergers & Acquisitions Review | pp. 384 et seq. | Switzerland

Öffentliche Kaufangebote - neueste Entwicklungen

2022 | by Hans-Jakob Diem | in: The Mergers & Acquisitions Review | pp. 384 et seq.

Öffentliche Kaufangebote - neueste Entwicklungen

The Corporate Governance Review - Switzerland

2021 | by Hans-Jakob Diem and Tino Gaberthüel | in: The Corporate Governance Review | pp. 277 et seq.

The Corporate Governance Review

2021 | by Hans-Jakob Diem | in: The Corporate Governance Review | pp. 277 et seq. | Switzerland

M&A-Transaktionen nach Schweizer Recht

31 December 2020 | by Rudolf Tschäni, Matthias Wolf and Hans-Jakob Diem | in:

Exit von Aktienbeteiligungen über den Kapitalmarkt

2020 | by Patrick Schärli and Hans-Jakob Diem | in: Innovation und Disruption: Sanierungen, Exits, LIBOR-Ablösung und Blockchain - 16. Tagung zu Kapitalmarkt - Recht und Transaktionen | pp. 104 et seq.