Dr Hans Diekmann
Partner
Duesseldorf

Dr Hans Diekmann
Partner
Duesseldorf
Contact details
Hans Diekmann joined Allen & Overy LLP in May 2013. He primarily advises on corporate and capital markets law as well as on M&A transactions including public takeovers.
Expertise
Practices
Corporate Governance and Compliance
Litigation, Arbitration and Investigations
Sectors
Qualifications
Professional
Admitted as German Rechtsanwalt, 1993
Academic
Second German Law Degree, Düsseldorf, 1992
Dr iur, University of Münster/Westphalia, Germany, 1990
First German Law Degree, Hamm/Westphalia, 1988
Experience highlights
Uniper SE on the EUR33bn stabilisation package, which was agreed between Uniper, the German Federal Government and the major former Uniper shareholder Fortum Oyj. After the partial implementation of the stabilisation package, the German Federal Government held 99% in Uniper at the end of 2022. Allen & Overy acted as lead adviser on the entire structuring of the transaction, including the general meeting, the agreements between the German Federal Government and Uniper, the agreements between Uniper and Fortum, all aspects of corporate law, capital market law, merger control law and FDI issues.
alstria on the public takeover bid by Brookfield: The offer values alstria at an equity value of EUR3.5bn and an implied gross asset value of EUR5bn.
Friede Springer and Mathias Döpfner on the public takeover of Axel Springer SE by KKR (including delisting offer in 2020). Transaction volume: EUR6.8bn.
Uniper SE on the hostile takeover bid by Finnish energy company Fortum.
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Expertise
Practices
Corporate Governance and Compliance
Litigation, Arbitration and Investigations
Sectors
Qualifications
Professional
Admitted as German Rechtsanwalt, 1993
Academic
Second German Law Degree, Düsseldorf, 1992
Dr iur, University of Münster/Westphalia, Germany, 1990
First German Law Degree, Hamm/Westphalia, 1988
Other noteworthy experience
Advising:
- A global financial services provider on a bancassurance agreement with UniCredit for the distribution of life and non-life insurance products for individuals and small-businesses in a number of Eastern European countries.
- Several listed companies (amongst them, Axel Springer SE, alstria office REIT-AG, Uniper SE, IKB Deutsche Industriebank AG, Scout24, ELMOS Semiconductor AG) on their annual general meetings and on various corporate and capital markets law matters.
- Several companies (amongst them, E.ON AG, Fresenius AG, BASF AG, Deichmann, Dürr Dental AG) on the conversion of their legal form into an SE.
- RAG-Stiftung on several investments.
Published work
- Diekmann, “Kommentierung des Geschäftsführers, des Aufsichtsrats und sonstiger Organe”, in: Münchener Handbuch des Gesellschaftsrechts, Band 3: Gesellschaft mit beschränkter Haftung, 6. Aufl. (erscheint demnächst), C.H.BECK
- Diekmann, “SE-VO Art. 4 – 8 und SE-VO Art. 15, 16”, in: Habersack/Drinhausen, SE-Recht, 3. Aufl. 2022, C.H.BECK
- Diekmann, “Kommentierung der §§ 60 – 77 zur Verschmelzung unter Beteiligung von Aktiengesellschaften sowie der §§ 141 – 146 zur Spaltung unter Beteiligung von Aktiengesellschaften und Kommanditgesellschaften auf Aktien”, in: Semler/Stengel/Leonard, Umwandlungsgesetz, 5. Aufl. 2021, C.H.BECK
- Diekmann, “Entstehung einer Europäischen Aktiengesellschaft (Societas Europaea, SE) durch Verschmelzung zur Aufnahme” (Ziffern 5.01 und 5.02), in: Happ/Bednarz, Umwandlungsrecht, 2. Aufl. 2021, Heymanns Verlag GmbH
- Diekmann, “Übernahmevertrag bei Anleiheemissionen”, in: Habersack/Mülbert/Schlitt, Unternehmensfinanzierung am Kapitalmarkt, 4. Aufl. 2019, Verlag Dr. Otto Schmidt
- Diekmann, “Kommentierung zu §§ 12, 25 und 26”, in: Paschos/Fleischer, Handbuch Übernahmerecht nach dem WpÜG, 1. Aufl. 2017, C.H.BECK
- Diekmann, “Kommentierung der §§ 20-26, 29, 30, 32, 34”, in: Baums/Thoma/Verse, Kommentar zum WpÜG