Dr Andreas Zellhofer > E+H Eisenberger + Herzog > Vienna, Austria > Lawyer Profile

E+H Eisenberger + Herzog
Andreas Zellhofer photo

Work Department

Competition Law Practice Group; IP/IT Practice Group.


Andreas Zellhofer is a partner in our Vienna office and head of the IP/IT practice group, as well as a member of the competition law practice group. As an eminent advisor in competition law, he has extensive experience in supporting and representing domestic and foreign corporations in cartel, abuse of dominance, and merger control proceedings, as well as state aid cases. He implements programs to prepare clients for internal investigations and for competition compliance. In addition, he regularly advises clients on intellectual property rights (copyright, trademarks, designs, and patents) and IT- and data protection law.


Andreas joined E+H in 2009. Prior to that, he did internships at the Directorate General for Competition of the European Commission and the Austrian Cartel Court and worked for a leading international law firm in Vienna and Brussels for eight years. He regularly publishes articles and speaks at seminars and conferences.


German, English


Austrian Bar Association; Studienvereinigung Kartellrecht


University of Vienna: Mag. iur. (1998); Dr. iur. (2003) University of Leiden


Hiking, Skiing, Tennis.

Lawyer Rankings

Austria > Intellectual property

The IP practice at E+H Eisenberger + Herzog acts for clients from a wide array of industries ranging from automotive and energy to media and technology. The group handles trade mark portfolio management and enforcement, both at a domestic and international level. Practice head Andreas Zellhofer also adds competition law expertise to the team.

Austria > EU and competition

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.

Austria > Data privacy and data protection

GDPR advice and compliance plays a key role in E+H Eisenberger + Herzog‘s data protection practice. Technology and automotive corporations in particular turn to Andreas Zellhofer and his group to review agreements and other documentation on data protection aspects. The team is also capable of handling litigation and managing IT projects with data privacy components. Helmut Liebel has a strong understanding of computer science.

Austria > TMT

E+H Eisenberger + Herzog advises across the full range of tech, media and telecoms, with a notably strong suit in technology matters. The client list includes both international and domestic household names. Andreas Zellhofer appears handles IP/IT and unfair competition matters, while also leading the TMT team. He receives key support from Helmut Liebel, who also covers work at the intersection between IP and IT.