Counsel

Marcus Weiler, LL.M. (LSE)

Rechtsanwalt

Languages

German
English
French

Social media

Marcus Weiler advises clients in complex disputes before state courts and arbitration tribunals. He specialises in corporate and commercial disputes. He regularly advises clients on disputes in connection with large-scale projects, supply and distribution agreements, licence and IP agreements and has particular experience with disputes in the technology sector. In the area of corporate law, he represents clients in post-M&A disputes and disputes between shareholders. Marcus Weiler also acts as an arbitrator.

Marcus Weiler joined CMS in 2019 and became counsel in 2024.

Publications

"Versagung der Vollstreckbarerklärung der Kostenentscheidung eines Schiedsspruchs bei unwirksamer Schiedsvereinbarung" – Anmerkung zu BayObLG, Beschluss vom 13.9.2024 – 101 Sch 146/23e, SchiedsVZ 2025, 41, together with Dr Tilman Niedermaier
"Keine Bindung deutscher Gerichte an die Ablehnung der Aufhebung eines Schiedsspruchs im Ausland" - Anmerkung zu BGH, Beschluss vom 09.03.2023 – I ZB 33/22, SchiedsVZ 2023, 228, co-author Dr Timan Niedermaier
"Unanwendbarkeit der ECT-Schiedsklausel zwischen EU-Mitgliedstaaten - Anmerkung zu EuGH, Urteil vom 2.9.2021, C-741/19", Zeitschrift für Schiedsverfahren (SchiedsVZ) 2022, 34, co-author Susanne Schwalb
"A comparison of the recognition and enforcement of foreign decisions under the 1958 New York Convention and the 2019 Hague Judgments Convention", DeGruyter, Berlin/Boston 2020, co-author Prof Dr Klaus Sachs
"Vertraglicher Schadensersatzanspruch wegen Verletzung von Gerichtsstands- und Schiedsvereinbarungen – Teil II", RIW 2020, 641, co-author Dr Evgenia Peiffer
"VertragIicher Schadensersatzanspruch wegen Verletzung von Gerichtsstands- und Schiedsvereinbarungen - Teil I", RIW 2020, 321, co-author Dr Evgenia Peiffer
"Is One Permanent Instance Enough? A Comparison Between the WTO Appellate Body and the Proposed Investment Court System" in Akbaba, Capurro (eds.), International Challenges in Investment Arbitration (Routledge, 2018)

Memberships & Roles

German Arbitration Institute (DIS)
DIS40 (initiative of young arbitrators)
ASA Below 40
LCIA Young International Arbitration Group
ICC Young Arbitrators Forum

Education

2025: Certificate in ‘Shaping the ESG Future of Companies’, University of St. Gallen
2016 - 2018: Trainee lawyer at Berlin Higher Regional Court, including placements at CMS (arbitration), the Federal Ministry of Economic Cooperation and Development and the German Embassy in Accra
2015 - 2016: Research assistant at Hogan Lovells International LLP in Munich and London (commercial and investment arbitration)
2015 - 2016: LL.M. with a focus on international trade law, London School of Economics and Political Science
2011 - 2012: Law studies at Université Jean Moulin Lyon III
2009 - 2015: Law studies at the University of Munich

Practice Areas

Dispute Resolution Alternative Dispute Resolution Litigation Arbitration ESG

Insights

Global Reach

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