Harry Nettlau’s practice focuses on domestic and international litigation and arbitration.

Harry has acted as counsel to both claimants and respondents in a wide variety of commercial litigations and arbitrations before various courts and leading arbitral institutions. He regularly advises and represents clients in multi-jurisdictional parallel arbitration and litigation matters and mass litigation. His further experience includes acting as counsel in complex multinational mergers and acquisitions and post-acquisition corporate restructuring.

Harry speaks German and English.


Prior to joining Willkie, Harry was an associate in another international law firm.

  • Country Reporter (Germany) for the Institute for Transnational Arbitration (ITA)
  • 2016-2022: Guest Lecturer on international arbitration at Heidelberg University (together with Prof. Dr. Richard Kreindler / Matthias Schrader / Patrick Gerardy)
  • 2017: Guest Lecturer on international arbitration at Frankfurt University Institute of Law and Finance (ILF) (together with Prof. Dr. Richard Kreindler)
  • The Mergers & Acquisitions Litigation Review, Edition 2, Germany chapter, December 2021 (together with Rüdiger Harms)
  • “An Examination of the 2020 Revision of the IBA Rules of Evidence” in SchiedsVZ (German arbitration journal) 2021, Issue 6, p. 315 et seq., co-author with Till Hackstein and Zachary O’Dell
  • “The Revised Swedish Arbitration Act: Some Noteworthy Developments,” Kluwer Arbitration Blog, May 19, 2019
  • Chapters “§ 1782 USC” and “New York” (with Richard Kreindler), in: Praxishandbuch Internationale Schiedsverfahren [Practice Handbook International Arbitration] (H. Salger et al., eds.), 2019
  • Categories of Guerrilla Tactics, in: Guerrilla Tactics in International Arbitration, Günther J. Horvath & Stephan Wilske (eds.), Wolters Kluwer, 2013 (contributor)
  • Zur Immunität ausländischer Staaten im Rahmen einer Vollstreckbarerklärung eines ausländischen Schiedsspruchs – Anmerkung zum Beschluss des BGH vom 30.01.2013 (III ZB 40/12), LMK 2013, 345597 (with Stephan Wilske)
  • Die kollisionsrechtliche Behandlung von Ansprüchen aus unlauterem Wettbewerbsverhalten gemäß Art. 6 Abs. 1 und 2 Rom II-VO, Dissertation, Peter Lang, Frankfurt am Main, 2013
  • Agfa-Gevaert Group in defending a series of related ICC arbitrations under German law alleging over €1 billion in damages related to the sale of the company’s former consumer imaging division.*
  • A leading retailer in Latin America in an ICC arbitration with New York seat under German law relating to a post-M&A dispute.*
  • North American automotive group in a DIS arbitration with Düsseldorf seat under German law relating to a supply agreement.*
  • Italian company in an arbitration under Swiss Rules (SCAI) with Zurich seat pursuant to Swiss and Italian law relating to a sale and purchase agreement.*
  • A European airline in a Milan Chamber Rules arbitration with Milan seat under Italian law relating to a consulting agreement.*
  • A leading automobile manufacturer in consumer litigation cases related to emissions.*
  • A leading telecommunications group in relation to licensing agreements, FRAND licensing, and arbitration proceedings.*
  • The Republic of Argentina in the defense against several actions brought by investors of government bonds in Germany.*
  • General advice on German unfair competition laws and regulatory requirements for a Belgian household product company*
  • IMS Health, a leading global provider of information and technology services to the healthcare and life sciences industries, in its acquisition of certain Cegedim information solutions and Customer Relationship Management (CRM) businesses for €385 million.*

* Harry advised on these matters prior to joining Willkie.



Duke University School of Law, LLM, 2014 Bucerius Law School, Dr. jur., 2013 State of North Rhine Westphalia, Second State Exam, 2012 Bucerius Law School, First State Exam, 2008 Bucerius Law School, LLB, 2007

Bar Admissions

Frankfurt am Main New York