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Portrait of Tilman Niedermaier

Dr. Tilman Niedermaier, LL.M. (University of Chicago)


CMS Hasche Sigle
Nymphenburger Straße 12
80335 Munich
Languages German, English, French

Tilman Niedermaier represents clients in complex disputes before courts and arbitral tribunals. He is an expert in international procedural and contract law and focuses on corporate, commercial and international investment disputes. Tilman advises on matters related to large-scale projects, distribution and procurement contracts, license and IP agreements, M&A contracts and joint ventures in a variety of industry sectors (i.a. automotive, aerospace & defence, engineering, energy, infrastructure & transport and sports). Tilman also acts as arbitrator.

He joined CMS in 2010 and has been a partner since 2018. Prior to that, Tilman was a research fellow at the Institute of International Law of the Ludwig Maximilians University Munich and worked for a lawyer admitted to the German Federal Supreme Court. He is a lecturer at the Martin Luther University Halle-Wittenberg and the Ludwig Maximilians University Munich for international procedural and arbitration law.

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"Tillman is extraordinarily experienced", "He shows destinct technical understanding of his cases", "He gives excellent client service and responsivenes", peers and clients

Who's Who Legal 2023

"Tilman Niedermaier is highly recommended by peers for his adept handling of complex commercial and investment disputes."

Who's Who Legal 2022 Germany – Arbitration

"Dr Tilman Niedermaier: extremely sharp expertise, very pragmatic, calm and unexcited. Considers all hurdles at top speed.", client

The Legal 500 EMEA, 2022

"Dr. Tilman Niedermaier combines specialist knowledge and strategic thinking in a unique way. He is also very patient, considerate and willing to get to know the client. He remains calm and composed in crisis situations."

The Legal 500 EMEA, 2022

"clever, analytical, flexible and pleasant manner", "rising star in the arbitration scene", competitors

JUVE German Commercial Law Firms 2022 (GCLF)

Listed for Arbitration / Dispute Resolution / Mediation

Deutschlands beste Anwälte 2017-2021 – Handelsblatt in Kooperation mit Best Lawyers

Listed in "Rising Stars in Commercial Arbitration"

Expert Guides Rising Stars, 2018-2021

"competent, fair and cooperative", competitor

JUVE German Commercial Law Firms 2021 (GCLF)

"Recommended" for Dispute Resolution

JUVE German Commercial Law Firms 2021 (GCLF)

"Peers and clients say ‘he combines outstanding legal capability with the thought leadership and the strategic thinking needed to secure the best possible results for his clients; Tilman is both exceptionally hard working and thoroughly personable; a very bright lawyer and a true team player; Tilman displays an impressive knowledge of IP issues and is completely trilingual in German, English and French; he is an extremely experienced and excellent lawyer with a balanced approach’"

Who's Who Legal 2021

"smart, analytic, flexible, pleasant to work with", "rising star as arbitrator" (competitors)

JUVE German Commercial Law Firms 2020 (GCLF)

"Tilman Niedermaier is a well-respected arbitration lawyer who 'combines outstanding legal capability with the thought leadership and strategic thinking needed to secure the best possible results for his clients'."

Who's Who Legal 2020

"Tilman Niedermaier at CMS Hasche Sigle is 'one of the rising stars in the German arbitration market' who 'always displays very strong advocacy skills while keeping his composure and calm'. Sources consider him 'a very knowledgeable arbitration specialist'."

Who's Who Legal 2019

"Tilman Niedermaier is 'extremely well recognised' in the arbitration sphere and ranks prominently for his vast experience handling commercial arbitration proceedings."

Who's Who Legal 2018

"Tilman Niedermaier is praised as ‘very precise and good to work with; he is an excellent lawyer with a first-class analytical mind’"

Who's Who Legal 2017

"Recommended" for Dispute Resolution

JUVE German Commercial Law Firms 2022 (GCLF)

Next generation partner for Arbitration

The Legal 500 EMEA, 2022

Relevant experience


  • Representation of a tier-1 supplier in the automotive sector in a dispute with a supplier of electronic components in ICC Emergency Arbitrator Proceedings and subsequent ICC arbitration
  • Representation of a wind turbine manufacturer in a dispute with a tier-1 supplier relating to serial defects in DIS arbitration
  • Representation of a joint venture in a dispute relating to a PPP large scale infrastructure project in DIS arbitration
  • Representation of a public entity in a dispute relating to a large scale infrastructure project in ICC arbitration
  • Representation of a merging entity in the telecommunication sector in several EU merger-control arbitrations
  • Representation of a shareholder in joint venture dispute in the water treatment sector in ICC arbitration
  • Representation of an energy company in a dispute relating to multi-modal transport of industrial components to South America in DIS arbitration


  • Representation of a wind turbine manufacturer in dispute relating to knowhow protection
  • Representation of a tier-1 supplier in the automotive sector in a dispute with cooperation partner relating to a development and licensing contract
  • Representation of a wind turbine manufacturer in dispute relating to serial defects
  • Representation of a wind turbine manufacturer in a dispute with suppliers relating to serial defects in several jurisdictions
  • Representation of an international aerospace & defense company in a dispute relating to a large scale project
  • Representation of a media company in a dispute relating to TV rights in the sports sector
  • Representation of various industry clients relating to interim measures in the context of international sanctions


  • Regular appointments as sole, presiding and co-arbitrator in arbitrations under various rules

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Memberships & Roles

  • German Institution of Arbitration (DIS; Member of the Advisory Board)
  • ICC (Member of the Commission on Arbitration and ADR)
  • Arbitrator at the German Court of Arbitration for Sport
  • Association Suisse de l'Arbitrage (ASA)
  • International Bar Association (IBA; Member of the Subcommittee on International Commercial Arbitration Case Law and of IBA Arb40)
  • International Council for Commercial Arbitration (ICCA)
  • IP Dispute Resolution Forum of the Max-Planck-Institute of Innovation and Competition (IPDR; Member of the Advisory Board)
  • German-American Lawyers‘ Association (DAJV)
  • German National Academic Foundation alumnus
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  • Arbitration in the United States in Stephan Balthasar (Hrsg.), International Commercial Arbitration, Part 3 S., C.H. Beck, 2nd ed., Hart Publishing, Nomos 2021
  • Hello, DIS Rules 2018 – An Introduction to the Revised Arbitration Rules of the German Arbitration Institute (DIS), b-Arbitra | Belgian Review of Arbitration, Volume 2019 Issue 1, p. 87 et seq., together with Falco Kreis
  • Industrie 4.0 und gewerblicher Rechtsschutz – Was alternative Streitbeilegung bei FRAND-Streitigkeiten leisten kann, ICC Germany-Magazin, November 2018, p. 75 et seq.
  • Resolution of IP disputes and arbitration, CD Corporate Disputes, Oct-Dec 2018, 35
  • Post Merger Arbitration – Schiedsverfahren und Fusionskontrolle, M&A Review 2018, 130, together with Armin Dürrschmidt
  • Renewable Energy Disputes in Maxi Scherer (ed.), Arbitration in the Energy Sector, Chap. 4, 2018 Oxford University Press, together with Simon Manner
  • Kommentar zur UNCITRAL-Schiedsgerichtsordnung in Rolf A. Schütze (ed.), Institutionelle Schiedsgerichtsbarkeit, 3. Aufl., Kapitel XII., Heymanns 2017, together with Paolo Michele Patocchi
  • Schiedsgerichtsbarkeit und Energiewende – Aktueller Stand und Herausforderung bei erneuerbaren Energien, ICC Germany-Magazin, December 2017, p. 40 et seq
  • Der Fall Claudia Pechstein – eine Analyse mit Blick auf die Causa Dominique Taboga in Andreas Grundei / Martin Karollus (ed.), Berufssportrecht VIII, Jan Sramek Verlag 2017
  • Zur Group of Companies Doctrine und der Auslegung der subjektiven Reichweite von Schiedsvereinbarungen – Welches Recht ist anwendbar?, in Liber Amicorum Siegfried Elsing, Frankfurt am Main 2015, p. 475, together with Klaus Sachs; English version: On the "group of companies doctrine" and interpreting the subjective scope of arbitration agreements – which law applies?, Revista de Arbitragem e Mediação, vol. 50/2016, p. 539
  • Arbitration in the United States in Stephan Balthasar (ed.), International Commercial Arbitration, Chapter 19, C.H. Beck, Hart Publishing, Nomos 2016
  • Die Durchsetzung von Document Production Orders in internationalen Schiedsverfahren, ZVglRWiss 114 (2015) 449, together with Klaus Sachs
  • Die Rechtsfigur der "adverse inferences" in der internationalen Schiedsgerichtsbarkeit, in Walter Eberl (ed.), Beweis im Schiedsverfahren, Nomos 2015, together with Klaus Sachs
  • The Athlete as the "Weaker" Party, Geisinger Elliott Geisinger/Elena Trabaldo (eds.), Sports Arbitration: A Coach for Other Players? – ASA Special Series No. 41, Chap. 8, Juris Publishing 2015
  • Schiedsvereinbarungen im organisierten Sport, SchiedsVZ 2014, 280
  • Arbitration Agreements between Parties of Unequal Bargaining Power – Balancing Exercises on Either Side of the Atlantic, ZDAR 2014, 12
  • Schieds- und Schiedsverfahrensvereinbarungen in strukturellen Ungleichgewichtslagen - Ein deutsch-U.S.-amerikanischer Rechtsvergleich mit Schlaglichtern auf weitere Rechtsordnungen, VVerfR 97, Mohr Siebeck 2013
  • UNCITRAL Arbitration Rules in Rolf A. Schütze (ed.), Institutional Arbitration, Chapter XV, C.H. Beck, Hart Publishing, Nomos 2013, together with Paolo Michele Patocchi
  • Schiedsgerichtsbarkeit und Finanztermingeschäfte – Anlegerschutz durch § 37h WpHG und andere Instrumente, SchiedsVZ 2012, 177
  • Overriding Mandatory Provisions Before Arbitral Tribunals – Some Observations, Liber Amicorum for Bernd von Hoffman in Herbert Kronke/Karsten Thorn (eds.), Gieseking 2011, also published in 34 Revista de Arbitragem e Mediação (2012) 159, together with Klaus Sachs
  • Kommentar zur UNCITRAL-Schiedsgerichtsordnung in Rolf A. Schütze (ed.), Institutionelle Schiedsgerichtsbarkeit, 2. Aufl., Kapitel XII., Heymanns 2011, together with Paolo Michele Patocchi
  • Unwirksame Schiedsklausel in Franchiseverträgen durch Wahl des Tagungsortes im Ausland?, SchiedsVZ 2009, p. 196, together with mit Markus Schulz
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Lectures list

  • Clean Energy & Arbitration, Delos Webinar, 10. November 2021
  • Dispute Resolution for Blockchain Transactions, Round Table organised by the Silicon Valley Arbitration & Mediation Center (SVAMC) Initiative on Arbitration and Mediation for Blockchainbased Transactions, 14 May 2021
  • Contemporary and emerging issues in award writing, IBA Webinar, Award writing tips for the young arbitrator in a changing world, 30 October 2020
  • Mediating COVID-19 disputes: quick, low-cost, consensual – perfect tool?, ICC YAF Webinar, 23 September 2020
  • Dispute Settlement in the Digital Economy, SOLAIR Conference, 10 September 2020
  • High-Tech Dispute Resolution: Does the Legal Toolbox Need a System Update?, Virtual Roundtable, Ministry of Justice State of Israel, 27 August 2020
  • High-Tech Disputes / Technology, Tel Aviv Arbitration Day, 3 March 2020, Tel Aviv
  • Equal footing principle and asymmetric arbitration clauses, Hanover Arbitration Day, 27 FebruarY 2020, Hanover
  • Joint IBA Arb40 – DIS40 - MuCDR Toolkit Workshop, Practical Considerations for Drafting an Award, 31 January 2020, Munich
  • Combining efficiency, due process, transparency, predictability and confidentiality in arbitral proceedings - a dreamland?, YAR Conference, 10 October 2019, Lisbon
  • Who's Who Legal Future Leaders: Arbitration Conference, Oxford Union style debate – motion "This house believes the rise of new regional arbitral seats and institutions will change international arbitration for the better", 26 June 2019, London
  • Collective Redress in Germany and the EU, BUJ Regional Group Meeting, 6 June 2019, Munich
  • Arbitration and the mandatory forum for consumers in cross-border banking disputes – The German perspective, joint event of Swiss Chambers' Arbitration Institution (SCAI), Zurich Chamber of Commerce and Zurich Banking Association on „Arbitrating financial disputes - are there tangible benefits?“, 26. March 2019, Zurich
  • Mediations- und Schiedsvereinbarungen, Schiedsgerichtsbarkeit & Mediation - Anwendung im gewerblichen Rechtsschutz, ICC Conference, 4 June 2018, Munich
  • Arbitration in the Renewables Sector, Panel Moderator, Renewables Arbitration, 22 March 2018, Hamburg
  • Wishful thinking or thinkable reality – effiziente Schiedsverfahren in Großprojekten, Panel Moderator, CMS Dispute Resolution Retreat 2017, 16 November 2017, Hamburg
  • The Conduct of Arbitration Proceedings, WIPO Mediation and Arbitration Workshop, Panel Discussion, 9 November 2017, Munich
  • ASAb40 - DIS40 - ArbIt – YAAP Summer Retreat 2017, Newsflash Germany, 15 July 2017, Baden/Vienna
  • Die Sportschiedsgerichtsbarkeit auf dem Prüfstand (Causen Pechstein &Taboga), Symposium zu aktuellen Rechtsfragen des Berufssports‎ XV, 17 October 2016, Vienna
  • The relationship between state courts and arbitral tribunals -‎ The German perspective, 5th DIS Baltic Arbitration Days, 3 June 2016, Riga
  • Gas Pricing Disputes – A New Wave and Old Challenges?, Panel Moderator, DIS 40 Nord, 19 May 2016, Hamburg
  • Geheimnisschutz im Zivilprozess – Die schiedsrechtliche Perspektive, Gesprächskreis Litigation, 14 April 2016, Munich
  • The Arbitral Proceedings: Party Autonomy v. Efficient Case Management, arbit / ASA below 40 – Party Autonomy: Use It Wisely, Use It Efficiently, 12 February 2016, Rome
  • Levelling the playing field in sports arbitration, DIS Conference - Power Imbalances in International Dispute Resolution, 23. September 2015, Berlin
  • Herausforderungen an die Sportschiedsgerichtsbarkeit und Lösungsansätze – Dabei sein ist alles? Einblicke in die Sportschiedsgerichtsbarkeit, DIS 40 Nord, 20 May 2015, Hamburg
  • Counsel Ethics in International Arbitration, YIAG Workshop, 10 November 2014, Istanbul
  • The role and powers of the arbitral tribunal in respect of misconduct by parties and counsel, VI Belgrade Arbitration Conference, 4 April 2014, Belgrade
  • Policing misbehaviour by counsel and experts - who decides? - The role and powers of the arbitral tribunal, ASA Below 40 Seminar - The straight and narrow - legal and ethical rules applicable to counsel, expert and arbitrators, 9 November 2013, Zurich
  • The Athlete as the "Weaker" Party, ASA International Arbitration Annual Conference - Sports Arbitration: A Coach for Other Players?, 27 January 2012, Lausanne
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  • 2013: PhD (University of Goettingen)
  • 2010: LL.M. (University of Chicago The Law School)
  • Trainee lawyer (Munich Higher Regional Court)
  • 2006: First state examination (University of Munich)
  • 2004: Certificat de Droit Transnational (University of Geneva)
  • Law studies in Munich and Geneva
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Who watches the watch­ers? – Ger­man court grants an anti-anti-anti-suit...
In a 2 May 2023 judg­ment, the High­er Re­gion­al Court of Hamm is­sued an in­junc­tion en­join­ing the Ger­man in­vestors, RWE In­nogy GmbH and RWE In­nogy Aersa SAU, from pur­su­ing court pro­ceed­ings out­side the EU...
Ger­man Fed­er­al Su­preme Court cla­ri­fies the ef­fect of for­eign an­nul­ment...
In a de­cision of 9 March 2023, the Ger­man Fed­er­al Su­preme Court (BGH) de­cided on sev­er­al is­sues of high rel­ev­ance for ar­bit­ra­tion prac­ti­tion­ers. The de­cision, inter alia, dis­cusses the im­pact of for­eign...
Se­cur­ity for costs in en­force­ment pro­ceed­ings in Ger­many – The Ger­man Fed­er­al...
Pur­su­ant to Sec. 110 of the Ger­man Civil Pro­ced­ure Code (ZPO), claimants who do not have their ha­bitu­al place of res­id­ence in a mem­ber state of the EU/the EEA can be ordered to provide se­cur­ity for the...
Join CMS at the Par­is Ar­bit­ra­tion Week
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Green light from European Com­mis­sion: CMS ad­vises Ger­man gov­ern­ment on...
Stut­tgart/Brus­sels – State-owned gas trader SEFE Se­cur­ing En­ergy for Europe GmbH (SEFE) can con­tin­ue to op­er­ate as an in­teg­rated mid­stream gas com­pany and pur­sue its chosen re­align­ment strategy after...
Se­cur­ing en­ergy sup­ply in Ger­many: CMS ad­vises Ger­man gov­ern­ment on sta­bil­ising...
Ham­burg/Brus­sels – The Ger­man gov­ern­ment is set to sup­port en­ergy group Uni­per, Ger­many’s biggest gas im­port­er, with a sta­bil­isa­tion pack­age worth EUR 33 bil­lion and take a ma­jor­ity stake in Uni­per...
Com­pre­hens­ive ad­vice on se­cur­ing en­ergy sup­ply in Ger­many
Ham­burg/Stut­tgart – Strug­gling gas com­pany Se­cur­ing En­ergy for Europe (SEFE) has been trans­ferred to the own­er­ship of the Fed­er­al Re­pub­lic of Ger­many in or­der to se­cure Ger­man gas sup­plies. SEFE is...
CMS - Meet our ex­perts at The In­ter­na­tion­al Bar As­so­ci­ation (IBA) An­nu­al...
More than 70 per­cent of the world’s pur­chas­ing power is loc­ated out­side of the United States. So for US com­pan­ies, es­tab­lish­ing or grow­ing their busi­ness and in­vest­ments with their main trade part­ners – wheth­er in the UK, the European Uni­on, China, Africa or the Middle East – is es­sen­tial for their suc­cess.However, do­ing busi­ness in di­verse mar­kets, each with its unique leg­al en­vir­on­ment and ways of prac­ti­cing law, re­quires spe­cial­ist know­ledge. Our more than 5,000 law­yers world­wide provide busi­ness-fo­cused ad­vice, wheth­er in a single mar­ket or across mul­tiple jur­is­dic­tions. Our fo­cus is on build­ing long-term part­ner­ships to keep our cli­ents ahead in their chosen mar­kets.CMS law­yers are pleased to be at­tend­ing the In­ter­na­tion­al Bar As­so­ci­ation (IBA) An­nu­al Con­fer­ence from 30th Oc­to­ber to 04th Novem­ber 2022.Be­low you can find an over­view of our part­ners at­tend­ing the IBA An­nu­al Con­fer­ence, rep­res­ent­ing a range of jur­is­dic­tions, prac­tice areas and sec­tor spe­cial­isms.To ar­range a meet­ing, please con­tact melania.kozyra@cmsleg­al.com.CMS law­yers will be par­ti­cip­at­ing in the fol­low­ing pan­el dis­cus­sions:France based Part­ner An­na­belle Bail­leul-Mira­baud will be chair­ing Roundtables dis­cus­sions of glob­al tax trends, Wed­nes­day 2 Novem­ber (1430 - 1730)France based Part­ner Frédéric Roux and Michel Col­let will par­ti­cip­ate in Roundtables dis­cus­sions of glob­al tax trends, Wed­nes­day 2 Novem­ber (1430 - 1730)Italy based Part­ner Paolo Bonolis will par­ti­cip­ate in the pan­el on Con­tract­ing of IT as­sets (di­git­al­isa­tion 2.0) in an in­creas­ingly com­plex reg­u­lat­ory en­vir­on­ment, Monday 31 Oc­to­ber (1430 - 1545)Italy based Part­ner Laura Opilio will take part in 3 pan­els:chair­ing Ad­dress­ing dis­tri­bu­tion-re­lated short­ages of medi­cines and med­ic­al devices from a multi-jur­is­dic­tion­al per­spect­ive meet­ing, Tues­day 1 Novem­ber (1615 - 1730);Hot top­ics in in­ter­na­tion­al com­merce, trade, fran­chising and product law, Monday 31 Oc­to­ber (0930 - 1230);and Best prac­tices in sup­ply chain in the post (or con­tinu­ing) Cov­id en­vir­on­ment, the war in Ukraine and the im­pact of di­git­iz­a­tion, Wed­nes­day 2 Novem­ber (1615 - 1730)Ger­many based Part­ner Bjo­ern Gaul and Orly Gerbi of Herzog Fox Nee­man, Is­rael will mod­er­ate a pan­el on New de­vel­op­ments on Al in the work­place on 02.11.2022 (Wed­nes­day) 9.30 h – 10.45 a.mEm­ploy­ment and In­dus­tri­al Re­la­tions Law Com­mit­tee (Lead for mod­er­at­ors and speak­ers)Tech­no­logy Law Com­mit­tee (one speak­er) with the at­tend­ing ex­perts be­low:Pa­tri­cia Bar­boza, CGM Ad­vogados, Brazil­Steven T. Hunt, Tech­no­logy & Work, SAP In­nov­a­tion Of­fice, USAC­liff Jurkiewicz, Vice Pres­id­ent, Strategy at Phe­nom, USAInge de Laat, Rut­gers & Posch, Neth­er­landsAnthony J. On­cidi, Proskauer, USAVikram Shroff, Nishith De­sai, In­dia­Yardenne Assa, Co-Founder and CEO, Un­box­able, Is­raelTo find out more about CMS, vis­it the About CMS sec­tion.For fur­ther in­form­a­tion, please see our part­ners at­tend­ing the con­fer­ence in the gal­lery be­low and an over­view of all our ex­pert­ise areas.
CMS In­ter­na­tion­al Dis­putes Di­gest - 2022 Sum­mer Edi­tion
Wel­come to the sum­mer edi­tion of the In­ter­na­tion­al Dis­putes Di­gest, a bi-an­nu­al pub­lic­a­tion that high­lights, ex­plores and ana­lyses the latest trends in the glob­al dis­pute-res­ol­u­tion sec­tor.Al­though the...
Jointly, sev­er­ally or both – To what ex­tent can state courts ad­just the...
On 18 Janu­ary 2022, the Bay­erisches Ober­stes Landes­gericht (Bav­ari­an Highest Re­gion­al Court seated in Mu­nich) ruled on the en­force­ab­il­ity of the cost de­cision in an ar­bit­ral award rendered in a LCIA ar­bit­ra­tion...
Pro­pos­al for EU Data Act ad­op­ted – Com­mis­sion Aims at Boost­ing Europe’s...
Fol­low­ing con­sulta­tion and in­tens­ive in­tern­al dis­cus­sions in 2021, the European Com­mis­sion on 23 Feb­ru­ary re­leased its pro­pos­al for a “Data Act”. If ad­op­ted by EU law­makers, this reg­u­la­tion will in­tro­duce...
Whose in­ven­tion is it? - On the ar­bit­rab­il­ity of IP-re­lated dis­putes
In a judg­ment of 5 May 2021, the Landgericht München I (dock­et num­ber 21 O 8717/20) dis­missed a claim brought by a French man­u­fac­turer of blow molds against a Ger­man busi­ness part­ner in re­la­tion to a...