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Dr Lukas Rengier

Senior Associate


Rengier Lukas
Dr Lukas Rengier

Senior Associate


Lukas advises on all matters of German and European competition law. He represents clients before the German Federal Cartel Office, the European Commission as well as before German and European courts.

He advises in particular on merger control cases, represents companies in cartel and abuse of dominance proceedings as well as damages actions, and counsels on cooperation and distribution agreements.

News & insights

Sun peering behind modern skyscrapers on the skyline

Publications: 29 JULY 2021

Lukas Rengier and Fabian Kolf contribute chapters to Lexology's Private Antitrust Litigation 2022

Lukas Rengier and Fabian Kolf, members of our global antitrust team based in Hamburg, have contributed two chapters to the latest (2022) edition of Lexology Getting The Deal Through's Private…

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Blog Post: 27 APRIL 2021

Beyond “pay-for-delay” – the EU-Commission’s investigation into patent filing practices and communication measures

On 4 March 2021, the European Commission (Commission) opened a formal investigation into alleged anti-competitive conduct by the pharmaceutical company Teva. 

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Blog Post: 15 APRIL 2021

Patent settlements and competition law – guidance from Europe’s top court

On 25 March 2021, the European Court of Justice (ECJ) ruled for the second time on a “pay-for-delay” settlement. These are settlements of a patent dispute that involve payments or other value…

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Publications: 11 MARCH 2021

Hamburg antitrust team members author chapters in Lexology's Private Antitrust Litigation 2021

Lukas Rengier and Fabian Kolf have contributed two chapters to Lexology Getting The Deal Through's 2021 edition of Private Antitrust Litigation. The chapters provide, in a question and answer format,…

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Antitrust and Competition



Allen & Overy LLP
Kehrwieder 12
20457 Hamburg

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Lukas holds a law degree and a doctorate in competition law from the University of Bonn. He completed his clerkship at the Supreme Court of Berlin. In 2017, he spent six months on a secondment to Allen & Overy’s US antitrust practice group in New York and Washington, D.C. Apart from his native language German he speaks fluent English, French and Spanish.

Awards & Accolades

Lukas is recommended as a “top competition lawyer” by the business journal WirtschaftsWoche. IFLR awarded him a “European Rising Star Award” in the Competition and Antitrust category. And WWL recognizes him as a “Future Leader”.

WirtschaftsWoche, IFLR and WWL

Published work

  • Chapters “European Union” and “Cross-border litigation in Europe - Practical questions” in Lexology Getting The Deal Through, Private Antitrust Litigation, 2021 (with F. Kolf)
  • The German Federal Court of Justice’s Judgment in Rails II - Shifting the Focus from Liability to Quantum in Cartel Damages?, GCLR 2020, pp. 97-100 
  • Trends in der Kartellverfolgung – ein Überblick über die weltweite Behördenpraxis im Jahr 2019, CCZ 2020, pp. 218-225 (with R. Galle)
  • Cartel Damages Actions in German Courts: What the Statistics Tell Us, JECLAP 2020, pp. 72-81
  • Trends in der Kartellverfolgung – ein Überblick über die weltweite Behördenpraxis im Jahr 2018, CCZ 2019, pp. 283-289 (with R. Galle) 
  • Private Enforcement in German Courts: Between Law and Economics, Synthesis of presentation on 5 September 2019, Concurrences special issue
  • Kartellschadensersatz in Deutschland – die ersten 15 Jahre in Zahlen und Lehren für die Zukunft, WuW 2018, pp. 613-619
  • Auch vertikale Absprachen bei Ausschreibungen sind strafbar – Karlsruhe locuta, causa finita?, in: Festschrift für Rudolf Rengier zum 70. Geburtstag, C.H. Beck 2018, pp. 291-300
  • Implementing Cross-Border Corporate Transactions by Carve-Out before Final Merger Control Clearance, A&O Publication 2017 (with M. Daghles) (Antitrust Writing Award by Concurrences and George Washington University)
  • Das Warten hat ein Ende – Vollzug grenzüberschreitender Unternehmenstransaktionen vor Erhalt der letzten fusionskartellrechtlichen Freigabe durch Carve-out, M&A Review 2017, pp. 397-401 (with M. Daghles)
  • Die Grundabsprache im deutschen Kartellrecht – Bewertungseinheit grenzenlos?, NZKart 2017, pp. 229-235 (with R. Galle)
  • Too Big to Fail als Frage des Kartellrechts – Wettbewerbseffekte, Fusionskontrolle und Entflechtung, Nomos, Schriftenreihe Wirtschaftsrecht und Wirtschaftspolitik, 2014 (PhD award by University of Bonn/Deutsche Telekom; Esche Schümann Commichau Stiftung Award)
  • Entflechtung, Fusionskontrolle oder Sonderregulierung für systemrelevante Banken?, ZWeR 2010, pp. 105-138 (with D. Zimmer)