Dr Dieter Thalhammer > E+H Eisenberger + Herzog > Vienna, Austria > Lawyer Profile

E+H Eisenberger + Herzog

Work Department

Competition Law Practice Group


Dieter Thalhammer is a partner in our Vienna office and head of our competition law practice group. Dieter is one of the leading Austrian experts in national and European competition law and represents national and international clients in merger control proceedings, cartel, and abuse of dominance cases, as well as in cartel damages proceedings (private enforcement). He also has extensive experience conducting internal investigations and implementing antitrust compliance programs.Under his guidance, our competition law practice group evolved into one of the leading teams in Austria. Dieter represents clients from diverse industries such as transport, automotive, media, energy, postal services, telecommunications, the chemical industry, real estate, finance, health care as well as the food industry and the electronic engineering industry. His most recent cases comprise advising a client in cartel proceedings concerning transport before the European Commission.Dieter represented clients before the Austrian Supreme Court of Justice and the European Court of Justice in the proceedings against the Austrian freight forwarding cartel. Furthermore, he advises an energy supply company in antitrust proceedings before the Austrian Cartel Court and regularly counsels prestigious Austrian and international companies in several Austrian and European merger proceedings.


Dieter joined E+H as partner in 2005. Prior to that, he worked for a leading international law firm in Vienna for six years. He started his career as an intern at the Legal Service of the European Commission. Dieter is the author of several articles on competition law and lectures at the University of Graz.


German, English


Austrian Bar Association; Studienvereinigung Kartellrecht


University von Vienna: Mag. iur. (1993); Dr. Iur (1996) University of Saarbrücken: LLM Eur (2000)



Lawyer Rankings

Austria > EU and competition

(Leading individuals)

Dieter ThalhammerE+H Eisenberger + Herzog

The competition law team at E+H Eisenberger + Herzog is extremely capable at handling merger control as well as cartel proceedings both in Austria and at a European level. The team, which is led by Dieter Thalhammer, acts for a stellar client roster in the transport, infrastructure, pharmaceutical and energy industries and has recently increased its market share in the technology sector as well. The practice head has broad experience of cartel damages proceedings and abuse of damages cases. Judith Feldner is the name to note for cartel cases including dawn raids, e-discovery and leniency applications and Andreas Zellhofer focuses on vertical restraints and abuse cases.