Jan Heiner Nedden

Jan Heiner Nedden, M.M.

Managing Partner

Jan Heiner Nedden, M.M primarily acts as arbitrator and as counsel in national and international arbitration proceedings. He also acts as member of Dispute Adjudication Boards (DAB) and as a mediator. Moreover, Heiner has been engaged as an appointed expert on German law in proceedings before foreign courts, including US courts, in several instances.

In addition to the numerous cases in which Heiner has acted as counsel or arbitration co-counsel, his track record as an arbitrator includes more than 70 proceedings conducted under the arbitration rules of the ICC, DIS, VIAC, SCC, WIPO, the Voldgiftsinstituttet (Danish Institute of Arbitration) as well as ad hoc proceedings.

Heiner’s expertise has been recognized in various international rankings.

Before joining HANEFELD, Heiner worked for seven years as Counsel in charge of the case management of over a thousand arbitrations at the Secretariat of the ICC International Court of Arbitration in Paris.

Heiner is co-editor of the article-by-article Standard Practice Commentary on the ICC and DIS Rules. He has taught domestic and international arbitration law at the University of Hamburg, the Summer Academy on International Dispute Resolution at the University of Heidelberg and the Swiss Arbitration Academy in Zurich/Geneva.

Heiner speaks German, English and French.

As Arbitrator

  • More than 70 cases as arbitrator, including cases involving States or State-related entities
  • Co-Arbitrator: 35 arbitrations (ICC, DIS, Voldgiftsinstituttet, ad hoc)
  • Presiding Arbitrator: 22 arbitrations (ICC, DIS, SCC, Voldgiftsinstituttet, ad hoc)
  • Sole Arbitrator: 14 arbitrations (ICC, SCC, VIAC, WIPO)

As Counsel in arbitration proceedings
Party representation in numerous domestic and international arbitral proceedings, including complex, multi-jurisdictional cases with claims in the (EUR) hundreds of millions

As Counsel in state court proceedings

  • Legal expert on German law
  • Representation of German and foreign companies in enforcement proceedings

Arbitration in general

  • Case management of approximately 1,000 ICC arbitration proceedings and scrutiny of approximately 500 ICC awards. Has dealt with almost all possible procedural constellations and situations, many different subject matters and jurisdictions as well as a range of industrial sectors
  • Consultant with the International Centre for Expertise of the ICC for ICANN (Internet Corporation for Assigned Names and Numbers) Expert Determination proceedings under the New gTLD Dispute Resolution Procedure/ICC Expertise Rules
  • Appointed to the WIPO List of Arbitrators
  • Appointed to the KLRCA Panel of Arbitrators, the Domain Name Dispute Resolution Panel as well as the Panel of Mediators
  • Appointed to the British Virgin Islands International Arbitration Centre (BVI IAC)
  • Arbitrator and Counsel, in particular in the following sectors: International trade, industrial plant and machine building, post-M&A, infrastructure and transport, energy, distribution
  • International contract and sales law, commercial law, law of international civil procedure
  • German
  • English
  • French
  • Named in JUVE’s list of Germany’s top 30 most renowned arbitrators as well as Germany’s top 30 most renowned counsel in arbitration proceedings
  • Named in Who’s Who Legal: The International Who’s Who of Business Lawyers, Commercial Arbitration 2020, 2019, 2018, 2017, 2016, 2015, 2014
  • Named in Who’s Who Legal Germany: Arbitration Lawyers 2020, 2019, 2018, 2017, 2016, 2015
  • Named in Who’s Who Legal: Legal Thought Leaders – Arbitration 2020, 2019, 2018
  • Recommended in The Legal 500 Germany 2020, 2019, 2018, 2017, 2016, 2015
  • Jan Heiner Nedden is “exceptionally experienced in ICC/DIS proceedings”, “[works] fast and rigerous.”
  • Jan Heiner Nedden “is the top choice as an arbitrator in the German market”; “He is extremely experienced; very enthusiastic with a professional attitude”; “Experienced
    arbitrator with good case handling skills”
    ; “An incredibly experienced arbitrator.”
    Who’s Who Legal
  • “Jan Heiner Nedden is a highly visible figure in the German market, applauded by peers as ‘always extremely well prepared’, ‘a pleasure to work with’ and ‘a highly in-demand arbitrator’”
    Who’s Who Legal
  • “Jan Heiner Nedden is an ‘excellent’ practitioner, considered ‘among the best of the arbitrators of his generation in Germany’.”
    Who’s Who Legal
  • “Jan Heiner Nedden […] is ‘extremely well prepared and appreciative in his work, and he really discusses and takes the arbitrator role seriously’.”
    Who’s Who Legal
  • “Jan Heiner Nedden is […] ‘truly excellent’ and is highly sought after as both arbitrator and as counsel for his profound expertise […].”
    Who’s Who Legal
  • “Jan Heiner Nedden [is valued for] his very ‘thoughtful, efficient conduct of the proceedings’.”
    The Legal 500
  • “Jan Heiner Nedden disposes of a ‘brilliant expertise due to his longtime ICC-experience’.”
    The Legal 500
  • “Jan Heiner Nedden [is] professionally excellent and experienced in arbitration.”
  • “Jan Heiner Nedden was an outstanding [ICC] counsel and a pleasure to work with. He combines strong legal skills with an extraordinary ability to get things done reliably and efficiently. His meticulous approach to award scrutiny could make senior arbitrators tremble.”
    Global Arbitration Review
  • Since 2011
    Attorney with HANEFELD, Hamburg
  • 2004 - 2011
    Deputy Counsel/Counsel with the ICC International Court of Arbitration, Paris
  • 2003 - 2005
    Master of Mediation (M.M.), specialization in commercial and business mediation and mediation in the public sector, Fern-Universität Hagen
  • 2004
    Consultant with the EU Liaison Office of Bayer AG, Brussels
  • 2002 - 2004
    Legal traineeship (Referendariat) in Northrhine-Westphalia including work experience with Wenner Attorneys in Paris and the German Federation of Industry (BDI) in Brussels
  • 2001
    Summer Associate with Roland Berger Strategy Consultants, Berlin
  • 1996 - 1997
    Assistant to Prof. Paul Kirchhof, Chair for Public Law and Tax Law, University of Heidelberg
  • 1995 - 2001
    Studies of law at the universities of Kiel, Heidelberg, Ottawa (Canada) and Freiburg im Breisgau
  • 1994 - 1995
    Studium generale at the Leibniz Kolleg, Tübingen
  • Lectured at the University of Hamburg for domestic and international arbitration
  • Lectured at the Swiss Arbitration Academy, Zürich
  • Lectured at the Summer Academy on International Dispute Resolution of the University of Heidelberg
2020VIAC Webinar on Arbitration in Times of Covid-19 – Challenges and How to Tackle ThemConsidering Case Management Techniques That WorkViennaAustria
2019Copenhagen Arbitration DayPost-Truth and the Arbitration ConundrumCopenhagenDenmark
2017SCAI Innovation ConferenceExpedited Proceedings in New FormatsGenevaSwitzerland
2015DIS40 Rhein/Ruhr eventViennese Waltz or Wrestling – How Arbitral Tribunals deliberate and take decisionsDüsseldorfGermany
2015Arbitration seminar hosted by the Europa Institut of the University of ZurichArbitral awards: A quality testZurichSwitzerland
2015DIS Spring ConferenceDeliberations of the Arbitral TribunalDresdenGermany
2014YAC seminarHow to make your first arbitration not your lastCopenhagenDenmark
2014ICC IWIS SeminarICC Arbitration: From a Request for Arbitration until the Arbitral AwardStuttgartGermany
2014C5’s Forum on Transatlantic LitigationCommencing and Conducting Arbitration: Views from France, Germany, the US and the UKAmsterdamNetherlands
2014YAC seminar on International ArbitrationChoice of the place of arbitration: London, Paris, Geneva or others?CopenhagenDenmark
2014ICC Young Arbitrators ForumE-DiscoveryDüsseldorfGermany
2013New Developments in International Commercial Arbitration 2013 ConferenceThe New UNCITRAL Transparency Rules: How the concept of transparency differs in investment and commercial arbitrationNeuchâtelSwitzerland
2013ICC IWIS seminarMock case under the 2012 ICC Rules of ArbitrationBerlinGermany
2013Hamburg Arbitration CircleArbitration in Denmark – Valuable insights from our Nordic NeighborsHamburgGermany
20131st Northern German Arbitration DayArbitration clauses in contracts: pitfalls and best practicesHamburgGermany
2012DIS40 eventChanging perspectives – from the arbitral institution to private practiceFrankfurt am MainGermany
2012Hamburg Arbitration CircleThe decision-making process in arbitral tribunalsHamburgGermany
20121st Saar-Anwalt-TagWorkshop on "Alternative means of resolving international commercial disputes, in particular arbitration"SaabrückenGermany
2012ICC IWIS seminarMock case under the 2012 ICC Rules of ArbitrationBerlinGermany
2012ICC IWIS seminarThe new ICC Arbitration RulesBerlinGermany
20121st Heidelberg Colloquium on Investment Protection LawInvitation as an expert on arbitration lawHeidelbergGermany
2012Workshop of the DAJVThe big unknown? The new ICC Rules of Arbitration in legal practiceFrankfurt am MainGermany
2012Workshop on "Dispute resolution in the context of public private partnership projects"Possibilities and alternatives of dispute avoidance and dispute resolution in long-term contractsHamburgGermany
2012Conference organised by ICC DenmarkDo's and Don'ts when acting as an arbitratorCopenhagenDenmark
2019§ 20 Arbitral Awards (in German)Salger / Trittmann (eds.), Internationale Schiedsverfahren – Praxishandbuch
2018Arbitration in a Post-Truth-World: Perception v RealityIBA Dispute Resolution International 2018, pp. 165 et seq.
2016Chapter 10: GermanyJørgensen (ed.): Finding, Freezing and Attaching Assets
2015The Arbitral Tribunal’s Deliberations - potential conflicts and ways to avoid themSchiedsVZ 2015, p. 169 et seq.
2014Arbitral Tribunals in Germany and Western Europe (in German)Paschke / Graf / Olbrisch (eds.), Hamburger Handbuch des Exportrechts
2014Practice Commentary on ICC-SchO/DIS-SchO (eds., jointly with Axel Benjamin Herzberg)
2013The New UNCITRAL Transparency Rules: How the Trend towards Transparency differs in Investment and Commercial ArbitrationMüller / Rigozzi (eds.), New Developments in International Commercial Arbitration 2013
2012Use of Technology by a Major International Arbitration Organization – ICC (jointly with Laurence Marquis)Grigera Naón / Mason (eds.), International Commercial Arbitration Practice: 21st Century Perspectives
2011Correction and interpretation of arbitral awards and additional awardsTercier (ed.), Post Award Issues, ASA Special Series No. 38
2011Use of Technology by a Major International Arbitration Organization – ICC (jointly with Laurence Marquis)Grigera Naón / Mason (eds.), International Commercial Arbitration Practice: 21st Century Perspectives
2010Work in Good Progress at the ICC International Court of Arbitration and its SecretariatArbitration News, Newsletter of the International Bar Association Legal Practice Division
  • Appointed member of the ICC Commission on Arbitration and ADR
  • Appointed member of the International Dispute Resolution Committees of the Voldgiftsinstituttet (Danish Institute of Arbitration)
  • Former appointed member of the ICC Commission's Task Force on "The Revision of the Rules of ICC as Appointing Authority in UNCITRAL or other Ad Hoc Arbitration Proceedings"
  • Former appointed member of the Consolidation Committee for the revision of the DIS arbitration rules
  • Member of the editorial board of the ICC Germany magazine
  • German Arbitration Institute (DIS)
  • Swiss Arbitration Association (ASA)
  • Danish Arbitration Association
  • Hamburg Arbitration Circle