Your lawyer

Dr. Andreas Hahn

+49 (0)711 60187-120
hahn@oppenlaender.de

JUVE Handbook 2021/2022 lists Dr. Andreas Hahn as one of the frequently recommended lawyers in antitrust law and energy law and quotes one client as saying: “outstanding antitrust lawyer” and a competitor as saying: “a real fighter”.

JUVE-Handbook 2021/2022

Andreas Hahn was born in Berlin and qualified there between 1989 and 1991 as a bank official. After his studies in Berlin, he worked as research assistant at the Institute for German and European Commercial Law, Competition Law and Energy Law at the Free University of Berlin with Prof. Dr. Dr. Franz Jürgen Säcker. He also obtained his doctorate there with a thesis on European anti-trust law. After his admission as lawyer in 2001, Andreas Hahn worked initially at an international law firm in Berlin, London and Brussels before he joined OPPENLÄNDER Rechtsanwälte. He has more than 20 years’ experience in advising and problem solving in all areas of antitrust law. He is a member of the Study Association Cartel Law e.V. and of the Institute for Energy and Regulatory Law Berlin (enreg).

Languages: English

Expertise

Andreas Hahn advises clients on all aspects of German and European antitrust law. The center of his advice is in complex merger control proceedings and antitrust proceedings and representation of companies in those areas before German and European antitrust authorities and courts. In particular, he has achieved a number of leading judgements in the course of defending clients in antitrust official abuse proceedings in court. In addition, he regularly advises clients on antitrust law compliant drafting of cooperation, distribution, R&D and license agreements and the introduction and implementation of antitrust compliance programs. One of his other specialties is in representing his clients in antitrust civil proceedings, in particular antitrust compensation claims. Together with his team, he has conducted many compensation claims, whether on the side of the defendant or plaintiff. Andreas Hahn advises clients from many industrial sectors (including pharmaceuticals, life science, retail, engineering and plant construction, construction materials) and has special industry knowledge in the financial services sector and in all energy and water industry areas.

He is also established as a lecturer at special conferences and author of many specialist publications, including the co-publication of „Rübenstahl/Hahn/Voet van Vormizeele, Cartel Compliance“. In addition, he comments on merger control issues in two leading commentaries on the Act against Unfair Competition and on energy law.

Others about Dr. Andreas Hahn

Legal 500 Germany ranks Dr Andreas Hahn among the leading partners in antitrust law.

Legal 500 Germany 2025

Client about Dr Andreas Hahn: “His expertise in antitrust law is beyond reproach; his communication is clear, straightforward, realistic, always to the point, there is no “legal chatter” with him.”

Legal 500 Germany 2025

Competitor about Dr Andreas Hahn in antitrust law: “a real fighter.”

JUVE Handbuch 2024/2025

Competitor about Dr Andreas Hahn in the field of energy: “competent and collegial.”

JUVE Handbuch 2024/2025

Competitors on Dr Andreas Hahn in antitrust law: “pleasantly objective”

JUVE Handbuch 2023/2024

Andreas Hahn: “Outstanding antitrust lawyer with very good knowledge of the industry.”

Legal 500 Deutschland 2023

JUVE Handbook 2022/23 ranks Dr. Andreas Hahn among the leading advisors in antitrust law and quotes a client: “outstanding antitrust lawyer”.

JUVE Handbook 2022/23

Dr. Andreas Hahn was named one of “Germany’s Best Lawyers 2021” by Handelsblatt for his work in the field of antitrust law.

Handelsblatt

Legal 500 Germany recommends Dr. Andreas Hahn in the field of antitrust law and quotes: “Andreas Hahn is a first-class antitrust expert. Has in-depth expertise and very extensive experience, is well connected in the scene and has a good reputation with the German Federal Cartel Office. He is absolutely serious and informs his clients openly and honestly about the prospects of success in each case.”

Legal 500 Germany 2021

JUVE Handbook 2020/2021 ranks Dr. Andreas Hahn among the frequently recommended lawyers in energy law.

JUVE-Handbook 2020/2021

JUVE Handbook 2020/2021 ranks Dr. Andreas Hahn among the frequently recommended lawyers in antitrust law.

JUVE-Handbook 2020/2021

JUVE Handbook 2020/2021 on the assessment of Dr. Andreas Hahn by clients: “first-class, our favorite for complex merger controls”.

JUVE-Handbook 2020/2021

JUVE Handbook 2019/2020 ranks Dr. Andreas Hahn among the frequently recommended lawyers in antitrust law.

JUVE-Handbook 2019/2020

Dr. Andreas Hahn was named one of “Germany’s Best Lawyers 2020” by Handelsblatt for his work in the areas of antitrust and competition law.

Handelsblatt

JUVE Handbook 2019/2020 on the evaluation of Dr. Andreas Hahn by competitors: “reliable and experienced”.

JUVE-Handbook 2019/2020

JUVE Handbook 2019/2020 ranks Dr. Andreas Hahn among the frequently recommended lawyers in energy law.

JUVE-Handbook 2019/2020

Dr. Andreas Hahn was named one of “Germany’s Best Lawyers 2018” by Handelsblatt for his work in antitrust law.

Handelsblatt

JUVE Handbook 2017/2018 ranks Dr. Andreas Hahn among the frequently recommended lawyers in antitrust law.

JUVE-Handook 2017/2018

JUVE Handbook 2017/2018 on the evaluation of Dr. Andreas Hahn by competitors: “experienced in the banking sector”, “pleasant and highly professional”.

JUVE-Handbook 2017/2018

JUVE Handbook 2015/2016 on the assessment of Dr. Andreas Hahn by clients: “high expertise in the energy sector, good quality”.

JUVE-Handbook 2015/2016

Dr. Andreas Hahn has been named “Lawyer of the Year 2016” in Baden-Württemberg by Handelsblatt and the U.S. publisher Best Lawyers for his work in antitrust law and has once again been named one of Germany’s best antitrust lawyers. Best Lawyers compiles this ranking exclusively for Handelsblatt on the basis of a peer-to-peer survey. In this survey, only lawyers are asked about the reputation of their colleagues outside their own firm. The respondents are asked to make a recommendation in the hypothetical case that a mandate cannot be taken on by themselves due to time constraints or conflicts of interest.

Handelsblatt, Best Lawyers

Legal 500 Germany counts Dr. Andreas Hahn among the recommended lawyers in antitrust law.

Legal 500 Germany 2015

JUVE Handbook 2015/2016 ranks Dr. Andreas Hahn among the frequently recommended lawyers in antitrust law.

JUVE-Handbook 2015/2016

JUVE Handbook 2014/2015 ranks Dr. Andreas Hahn among the frequently recommended lawyers in antitrust law.

JUVE-Handbuch 2014/2015

Dr. Andreas Hahn has been named “Lawyer of the Year 2014” in the greater Stuttgart area by Handelsblatt for his work in antitrust law and has again been named one of Germany’s best antitrust lawyers.

Handelsblatt

JUVE Handbook 2014/2015 on the assessment of Dr. Andreas Hahn by clients: “First choice in antitrust law, deep in the issues, always ready for action”.

JUVE-Handbook 2014/2015

JUVE Handbook 2013/2014 ranks Dr. Andreas Hahn among the frequently recommended lawyers in antitrust law and quotes one client as saying, “Gets three stars from me.”

JUVE-Handbook 2013/2014

News

14. February 2025

OPPENLÄNDER was again honoured by Legal 500

In the recently published ranking of Legal 500 Germany 2025, we are again TOP LAW FIRM in City Focus Stuttgart and ranked as TOP TIER LAW FIRM in two practice areas.

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20. November 2024

Legal 500 Germany Awards 2025: OPPENLÄNDER nominated

OPPENLÄNDER was nominated as ‘Antitrust Team of the Year’ in antitrust law. Prof Dr Albrecht Bach and Dr Andreas Hahn are also on the shortlist for ‘Antitrust Lawyer of the Year’.

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28. October 2024

OPPENLÄNDER again honoured as JUVE TOP 50 commercial law firm

JUVE Verlag has recognised OPPENLÄNDER as a Top 50 Commercial Law Firm 2024.

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14. June 2024

OPPENLÄNDER honoured by Best Lawyers

Handelsblatt has published the latest ranking of Best Lawyers and OPPENLÄNDER has been honoured several times.

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20. February 2024

Legal 500: OPPENLÄNDER receives the Germany Awards 2024 for antitrust law

OPPENLÄNDER was honoured by Legal 500 with the Germany Awards 2024 for antitrust law.

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19. February 2024

Chambers and Partners Global Guide 2024 ranks OPPENLÄNDER in competition law

Chambers and Partners Global Guide 2024 ranks OPPENLÄNDER as Band 3 law firm for competition law! For 17 years, our competition law practice is part of this guide.

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16. February 2024

Girocard procedure: OPPENLÄNDER wins another victory for the DSGV

The Münster Higher Administrative Court has ruled that the Federal Cartel Office does not have to grant plaintiffs in the Girocard case access to files on the basis of the Freedom of Information Act (IFG).

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14. February 2024

Legal 500 Germany 2024: OPPENLÄNDER is listed as TOP TIER LAW FIRM

We are delighted that OPPENLÄNDER has once again been recognised by The Legal 500 Germany 2024 and ranked as a TOP TIER LAW FIRM in two practice areas.

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14. November 2023

OPPENLÄNDER supports NTT DATA in the takeover of Sapphire

NTT DATA Business Solutions AG, a group company of NTT DATA and a global strategic partner of SAP, unveiled its acquisition of Sapphire, a UK-headquartered provider of digital operations software and services to primarily mid-market customers in the US and UK markets through its partnerships with SAP, ServiceNow, Infor SunSystems, HxGN and AWS.

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18. August 2023

JUVE nominates OPPENLÄNDER as law firm of the year for antitrust law

We are delighted with our antitrust team, which has once again been nominated for this award. We see this as a clear confirmation of the successful work in the interest of our clients.

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26. June 2023

OPPENLÄNDER lawyers are awarded

The specialist publisher Best Lawyers has identified Germany's best lawyers for the year 2023 for the Handelsblatt. OPPENLÄNDER was awarded 20 times!

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09. March 2023

OPPENLÄNDER defends DSGV against antitrust damages claims (EC-Cash)

OPPENLÄNDER represented the DSGV - Deutscher Sparkassen- und Giroverband (German Savings Banks and Giro Association) against dozens of plaintiffs in antitrust damages proceedings based on allegedly excessive EC cash fees. The Berlin Regional Court dismissed most of the claims in their entirety and awarded damages in only a few cases, which, however, amounted to a total of only 0.7% of the total claim asserted.

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27. January 2023

OPPENLÄNDER strengthens antitrust law with new lawyer

Attorney-at-law Christian Geyer joins OPPENLÄNDER's antitrust team around partner Dr. Christoph Wolf as of January 16, 2023.

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14. December 2021

OPPENLÄNDER advises EnBW mobility+

EnBW Energie Baden-Württemberg AG acquires 25.1 % of the shares in SMATRICS through its subsidiary EnBW mobility+ AG & Co. KG. A joint venture has already existed between the two since 2020, into which SMATRICS incorporated its charging station network at that time. Dr. Felix Born and other OPPENLÄNDER partners advised EnBW mobility+ on the acquisition of the stake.

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08. December 2021

Handelsblatt Award 2021

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25. June 2021

OPPENLÄNDER lawyers awarded

Handelsblatt has published the Best Lawyers Ranking 2021. Also this year, many of our partners were recognized as "best lawyers".

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Vita

  • Admitted as lawyer since

    2001
  • Doctorate

    2001
  • Research assistant at the Institute for German and European Commercial, Competition and Energy Law of the Free University of Berlin (Prof. Dr. Dr. h.c. Franz Jürgen Säcker)

    1996 — 2001
  • Studies in Berlin

    1991 – 1996
  • Qualification as bank official

    1989 - 1991