Samira Altdorf, LL.M. (BSC, Brussels)

Samira Altdorf primarily advises on all matters related to German and European antitrust and distribution law, compliance, and dispute resolution, in and out of court.

Antitrust Law
Energy Law
Compliance & Internal Investigations
Complex Disputes

After studying law at the University of Bielefeld and at Heinrich-Heine University in Düsseldorf (both Germany), Samira Altdorf carried out her legal training at the Regional Court of Aachen in the German state of North Rhine-Westphalia, which included working for the Administrative Court of Aachen. As a pupil, she spent half a school year at Colegio Alemán Alexander von Humboldt in Mexico City (Mexico).

Samira Altdorf has been working at Luther since 2017 in litigation and complex disputes, as well as in antitrust law (2019). In 2023, she was additionally awarded an LL.M. degree in Competition Law and Economics from the Brussels School of Competition.

• The Legal 500 Germany 2026: Mentioned in "Antitrust Law" (first mention in 2025)
• Best Lawyers 2026: Recommendation in "Ones to Watch" in “Competition / Antitrust Law”

• Die neue Vertikal-Gruppenfreistellungsverordnung (EU) 2022/720 nebst Vertikal-Leitlinien – Kontinuität und Umbruch in der Vertriebspraxis, in: Zeitschrift für Wettbewerbsrecht (ZWeR), Heft 03/2022, S. 243 (gemeinsam mit Anne C. Wegner & Benjamin Schwenker)
• 11. GWB-Novelle: Neue Eingriffsbefugnisse des Bundeskartellamts – Entflechtung trotz Rechtstreue?, in: EnergieKrise-Aktuell (EnK-Aktuell), Heft 06/2022, 01099 (gemeinsam mit Dr. Holger Stappert)

• Luther Competition Forecast 2026
• EU Commission investigates SAP regarding licensing of ERP software – What does this mean for SAP customers?
• No ‘Carte blanche’ for dawn raids under EU Antitrust Law: General Court partially annuls European Commission’s inspection decision against Michelin
• ECJ clarifies conditions for restrictions on active sales in exclusive distribution contracts under the Vertical Block Exemption Regulation
• ECJ facilitates enforcement of claims of app providers against dominant platforms to establish interoperability of app and platform
• ECJ’s preliminary ruling on Art. 8(1) of Regulation (EU) No 1215/2012 (judgement dated 13 February, 2025, C-393/23 – Heineken) – concept of ‘economic unit’ establishing international jurisdiction
• Webinar: Luther Antitrust & Competition Law Forecast 2025
• ECJ’s preliminary ruling on claim bundling in cartel damages claims (‘Rundholzkartell’)
• Luther Antitrust & Competition Law Forecast 2025
• New draft German antitrust bill: Will the Federal Cartel Office be vested with new powers to order unbundling on any disfunctional market without having to prove a violation of an-titrust laws?
• Luther Competition Law Forecast 2022 – Topics that will be important under antitrust law in 2022
• Antitrust and distribution – current status of the reform of the Block Exemption Regulation for distribution agreements (VBER)?
• Challenges in dealing with cross-border cartel cases – why is this so relevant right now?
• ECJ defines end of bid-rigging cartels and limits of enforcement
• Federal Cartel Office launches sector inquiry on messenger services - the next step to a "Super Consumer Protection Authority" in the digital world?
• Today, in its decision the German Federal Court of Justice confirmed in summary proceedings that the extensive collection and use of data by Facebook across multiple services could constitute an abuse of a dominant market position (case no. KVR 69/19)
• Overcoming the crisis in the automotive sector: The Bundeskartellamt temporarily tolerates certain forms of cooperation during the restart of production and restructuring
• Effects of the corona pandemic on energy supply contracts - Contract adjustment due to force majeure or hardship?
• Collective follow-on cartel damages actions: 600 million Euros group claim for follow-on damages (truck cartel) rejected by Regional Court of Munich I

• Member of Studienvereinigung Kartellrecht e.V.

• 10.04.2025: Ringvorlesung Kartellrecht – Thema: Refusal to supply.
• 18.02.2025: Webinar: Luther Antitrust & Competition Law Forecast 2025