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Marc Jacob

Dr Marc Jacob LL.M.

Socio
He has unparalleled advocacy skills … Marc is very experienced and nice to work with.
Lexology 2025
About

Marc is an advocate and adviser in our leading international disputes practice. He has extensive experience in high-value investment treaty and commercial arbitration, as well as in cross-border litigation. He regularly represents companies and sovereign states worldwide. He has handled many notable cases under virtually all the major arbitral rules. Marc also sits as an arbitrator.

Dually qualified in England and Germany, Marc often acts at the intersection of different jurisdictions, legal traditions, and cultural backgrounds. He recently coordinated multiple investor-state...

Marc is an advocate and adviser in our leading international disputes practice. He has extensive experience in high-value investment treaty and commercial arbitration, as well as in cross-border litigation. He regularly represents companies and sovereign states worldwide. He has handled many notable cases under virtually all the major arbitral rules. Marc also sits as an arbitrator.

Dually qualified in England and Germany, Marc often acts at the intersection of different jurisdictions, legal traditions, and cultural backgrounds. He recently coordinated multiple investor-state arbitrations spanning several countries. He also advises on and argues international law issues.

Professional QualificationsBarrister in England and WalesRechtsanwalt admitted with Rechtsanwaltskammer Frankfurt am Main

EXPERIENCE

  • Acting for a leading multinational healthcare company in ICC arbitration against a European life sciences company.
  • Acting for a UK bank in a BIT dispute against a West Asian government concerning the expropriation of a hospitality complex.
  • Acting for a state-owned energy company of a former Soviet Republic in a BIT dispute against a CIS state.
  • Representing a globally active investor in several BIT / UNCITRAL arbitrations concerning industria...
  • Acting for a leading multinational healthcare company in ICC arbitration against a European life sciences company.
  • Acting for a UK bank in a BIT dispute against a West Asian government concerning the expropriation of a hospitality complex.
  • Acting for a state-owned energy company of a former Soviet Republic in a BIT dispute against a CIS state.
  • Representing a globally active investor in several BIT / UNCITRAL arbitrations concerning industrial plants in CEE.
  • Representing Ukraine in SCC arbitration under the Ukraine-Russia BIT against the Russian state development corporation.
  • Advising a European bank and a major European industrial company regarding investment treaty protection, sanctions and procedural recourse against a CIS state.
  • Acting for China in BIT / ICSID arbitration against a European investor.
  • Representing Lithuania in BIT / ICSID arbitration brought by a multinational group in relation to heat and power generation systems in Lithuania.
  • Acting for a global leader in pharmaceuticals against a European biotech company in German court proceedings.
  • Acting for a European healthcare company in German law DIS arbitration brought by a European chemicals company under an SPA.
  • Representing Croatia in ICSID arbitration under the Croatia-Austria BIT in relation to real property in Croatia.
  • Acting for a Middle Eastern company in ICC arbitration in Doha against a state-owned energy giant. The dispute arose from a long-term gas supply agreement.
  • Acting for a US biotech company in ICC arbitration in France against a German company in the global pharmaceutical market.
  • Advice and representation in pro bono proceedings before the European Court of Human Rights and in “pushback” cases.
  • Party-appointed arbitrator in international commercial arbitration in the real estate sector in a Northern European country.
Languages
  • German
  • Inglés
  • French
  • Español
Education
  • University of Frankfurt am Main, doctorate in law, summa cum laude
  • Harvard Law School, LL.M., Landon H. Gammon Fellowship for academic excellence
  • University College London, LL.B., first class honours
  • University of Heidelberg

Awards and Recognitions

  • Lexology Index: Arbitration 2025 – Partners: "He has unparalleled advocacy skills"; "Marc is very experienced and nice to work with"; “He is an articulate, incisive and incredibly effective advocate"
  • Legal 500 Germany 2024: Recommended for trade and distribution: foreign trade law (including sanction law) as well as dispute resolution: arbitration (including international arbitration) and commercial litigatio...
  • Lexology Index: Arbitration 2025 – Partners: "He has unparalleled advocacy skills"; "Marc is very experienced and nice to work with"; “He is an articulate, incisive and incredibly effective advocate"
  • Legal 500 Germany 2024: Recommended for trade and distribution: foreign trade law (including sanction law) as well as dispute resolution: arbitration (including international arbitration) and commercial litigation
  • Handelsblatt in cooperation with Best Lawyers 2024/2025: Recommended for litigation, international arbitration as well as arbitration and mediation
  • Who's Who Legal 2024 – Arbitration Future Leaders – Partners: "He is an excellent advocate with outstanding skills"; "He is an excellent strategist and has great knowledge of public international law"; “Marc is diligent, attentive and responsive"; “Marc is a legal encylopedia and can navigate with ease through the thorniest technical issues"
  • Who's Who Legal 2023 – Arbitration Future Leaders – Partners: "Marc is top-notch in the field"; "He can decipher the most complex legal issues and he is extremely comfortable with disputes involving complex legal issues"; “He knows how to handle disputes at the interface between common law and German civil law"
  • Legal 500 The Arbitration Powerlist: DACH 2023: Listed among "leading arbitration counsel in Germany, Austria and Switzerland" and "practitioners that are deemed the gold standard by businesses"
  • Legal 500 Germany 2023: Recommended for dispute resolution: arbitration (including international arbitration) 
  • GAR Global Arbitration Review 2022: "brilliant advocate and terrific colleague”; “He combines significant experience in international commercial and investment arbitration with an uncommon strategic sense"; “super impressive and persuasive practitioner who... masters not only his own systems of English and German law, but also has an outstanding grasp of the rules and processes of international law”
  • Legal Media Group's Expert Guides 2015-2019: Noted as a rising star in Commercial Arbitration (Germany)

Publications

  • “Seat of Arbitration”, “Witnesses” and “Documentary Evidence” in Concise Encyclopedia of International Commercial Arbitration (Elgar, forthcoming)
  • “Common Law of International Adjudication” in Max Planck Encyclopedia of International Procedural Law (H. Ruiz Fabri ed., Oxford University Press, forthcoming) (with M. Ulfat)
  • Energy Disunity: UK formally withdraws from the Energy Charter Treaty, 22...
  • “Seat of Arbitration”, “Witnesses” and “Documentary Evidence” in Concise Encyclopedia of International Commercial Arbitration (Elgar, forthcoming)
  • “Common Law of International Adjudication” in Max Planck Encyclopedia of International Procedural Law (H. Ruiz Fabri ed., Oxford University Press, forthcoming) (with M. Ulfat)
  • Energy Disunity: UK formally withdraws from the Energy Charter Treaty, 22 August 2024
  • Difficult week for the Energy Charter Treaty, 31 May 2024
  • “When can a state-linked entity bring an investment treaty claim?“, 1 June 2022
  • “Art. 268 TFEU: Jurisdiction in Disputes Relating to Compensation” in Das Recht der Europäischen Union (Grabitz/Hilf/Nettesheim eds., C.H. Beck, 2021) (with M. Kottmann)
  • “Art. 340 TFEU: Action for Damages” in Das Recht der Europäischen Union (Grabitz/Hilf/Nettesheim eds., C.H. Beck, 2021) (with M. Kottmann)
  • “Dispute Settlement Mechanism under the London Agreement on German External Debts (1953)” in Max Planck Encyclopedia of International Procedural Law (H. Ruiz Fabri ed., Oxford University Press, 2019)
  • “Counterclaims and State Claims” in Contemporary and Emerging Issues on the Law of Damages and Valuation in International Investment Arbitration 347 (C. Beharry ed., Brill Nijhoff, 2018) (with J. Sharpe)
  • “Fair and Equitable Treatment: Content, Practice, Method” in International Investment Law 700 (M. Bungenberg et al. eds., C.H. Beck, Hart, Nomos, 2015) (with S. Schill)
  • “Going Soft: Towards a New Age of Soft Law in International Investment Law?” 8(1) World Arbitration & Mediation Review 1 (2014) (with S. Schill)
  • Precedent and Case-Based Reasoning in the European Court of Justice: Unfinished Business (Cambridge University Press, 2014; paperback, 2016)
  • “Technique and Contents of International Investment Treaties: Can the Form Affect the Substance?” in Preferential Trade and Investment Agreements: From Recalibration to Reintegration 81 (R. Hofmann et al. eds. Nomos, 2013)
  • “Common Structures of Investment Law in an Age of Increasingly Complex Treaty-Making” Columbia FDI Perspectives 94, May 2013 (with S. Schill)
  • “Trends in International Investment Agreements, 2010/2011: The Increasing Complexity of International Investment Law” in Yearbook on International Investment Law & Policy 141 (K. Sauvant ed., Oxford University Press, 2013) (with S. Schill)
  • “Investments, Bilateral Treaties” in Max Planck Encyclopedia of Public International Law 317 (R. Wolfrum ed., Oxford University Press, 2012)

Seminars

Marc Jacob is a regular speaker on issues of dispute resolution, arbitration and public international law.

Prior Experience

  • Before joining DLA Piper, Marc Jacob worked in a US law firm in Frankfurt. He was formerly a senior fellow at the Max Planck Institute for Comparative Public Law and International Law in Heidelberg.

Lecturer

  • Marc Jacob has taught investment arbitration, and international law, and contract and tort at the University of Tübingen and University College London.

Memberships And Affiliations

  • London Court of International Arbitration (LCIA)
  • The German Institution of Arbitration (DIS)
  • Swiss Arbitration Association (ASA) 
  • German Branch (DVIR) of the International Law Association (ILA)
  • The British Institute of International and Comparative Law (BIICL)
  • The Honourable Society of the Inner Temple
  • International Bar Association (IBA)
  • Harvard Club Rhein-Main
  • London Court of International Arbitration (LCIA)
  • The German Institution of Arbitration (DIS)
  • Swiss Arbitration Association (ASA) 
  • German Branch (DVIR) of the International Law Association (ILA)
  • The British Institute of International and Comparative Law (BIICL)
  • The Honourable Society of the Inner Temple
  • International Bar Association (IBA)
  • Harvard Club Rhein-Main

Connect

Phone

+49 (0)69 27133 0
(Work, Frankfurt)
+49 173 52 97 578
(Mobile, London)
+49 173 52 97 578
(Mobile, Frankfurt)

Say Hello —

Location

London
160 Aldersgate Street
London
EC1A 4HT
United Kingdom
Frankfurt
Neue Mainzer Strasse 6
Frankfurt
60311
Germany