Dr. Lukas Lettau
Lawyer

Antitrust law • M&A
Kümmerlein –

Contact

Assistant: Nicole Marker

T.+49 (0)201 1756-640
F.+49 (0)201 1756-77941

Comprehensible advice,
reliable results

Lukas Lettau advises on all questions of German and European antitrust law – he accompanies the process with a great deal of commitment and calm. Clients can rely on his advice for a secure market presence.

Dear Lukas, what does our promise “To make it simple, but significant” mean to you?

“In antitrust law, we translate complexity into clear recommendations for action – from the initial classification to a reliable assessment.”

On the pulse of time

Changing political guidelines, social impulses and technical progress – antitrust law is in a constant state of flux. Through networking and publications, I aim to keep pace with these developments in order to provide my clients with reliable and proactive advice.

Studienvereinigung Kartellrecht

Member

Publications

Regular specialist articles

Publications

All publications

 

Lettau, Schadensersatzansprüche von Mitbewerbern bei Submissionskartellen, Berlin 2025

Lotze/Lettau, Verjährungsbeginn bei Submissionsabsprachen zwischen öffentlichem Auftraggeber und obsiegendem Bieter („Kilpailuja Kuluttajavirasto“, EWiR 2021, S. 540 f. (gemeinsam mit Dr. Andreas Lotze)

Lettau/Lorenz, Die Verwirkung des Lohnanspruchs, ZjS 2020, S. 12 ff. (gemeinsam mit Emil Lorenz)

Lotze/Lettau, Zur kartellrechtlichen Marktabgrenzung auf mehrseitigen Märkten („Werbeblocker III“), EWiR 2019, S. 703 f. (gemeinsam mit Dr. Andreas Lotze)

Mager/Lettau, Ausschreibungspflicht bei kostenneutraler Überlassung von Software zwischen Behörden?, NZBau 2019, S. 501 ff. (gemeinsam mit Dr. Stefan Mager)

Lotze/Lettau, Allgemein preissteigernde Wirkung reiner Informationskartelle („LKW-Kartell“), EWiR 2019, S. 223 f. (gemeinsam mit Dr. Andreas Lotze)

Antitrust law in all its facets. Always to the point.

Whether searches by the Federal Cartel Office, merger notifications or the drafting of distribution agreements. Lukas Lettau supports his clients in every situation – pragmatically, analytically and responsibly.

Antitrust proceedings

Defense in allegations of prohibited cartel agreements.

Distribution antitrust law

Drafting contracts and relationships between manufacturers and retailers that comply with antitrust law.

Merger control

Notification of mergers to the German Federal Cartel Office, the European Commission and internationally.

Cartel damages

Representation of plaintiffs or defendants in damages proceedings.

Competition register

Assisting companies before the Federal Cartel Office in matters relating to the competition register.

Vita

Lawyer with Kümmerlein since 2024

Doctorate in antitrust damages law at the Ruhr University Bochum

Research assistant at a medium-sized commercial law firm in Essen in the practice area “Antitrust, public procurement and state aid law”

Legal clerkship in the district of the Regional Court of Bochum with stations at the Federal Cartel Office, a major international law firm and a boutique law firm specializing in antitrust law in Düsseldorf

Studied at the Ruhr University Bochum

Languages

German

English