Dr Andreas Zellhofer > Eisenberger & Herzog > Vienna, Austria > Lawyer Profile

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 > EU and competition

The team at Eisenberger & Herzog advises on a wide range of competition and EU law, including merger control proceedings, dawn raids, and cartel and abuse of dominance cases, and counts a number of leading Austrian companies among its clients. Practice head Dieter Thalhammer represented a manufacturing company in merger control proceedings regarding the sale of its production facilities in Austria, and acted as Austrian counsel to an automotive company in private enforcement proceedings relating to the trucks cartel. In addition, Judith Feldner advised a multinational electronics company on the merger control aspects of an investment relating to the autonomous vehicles market. Andreas Zellhofer is also a key member of the practice.

Austria > Intellectual property

As well as focusing on the IP elements of transactions, Eisenberger & Herzog deals extensively with trade mark matters and work that straddles IP and unfair competition law. Department head Andreas Zellhofer acted for long-term client Microsoft regarding software licensing and service agreements. The recommended Helmut Liebel advised new client Samsung on its investment in Austrian high-tech company TTTech, with the due diligence exercise aimed particularly at all IP-related licensing and co-operation agreements, as well as TTTech’s IP portfolio generally.

Austria > TMT

Eisenberger & Herzog has IT work at its core but also handles data protection matters. Together with its public procurement practice, Andreas Zellhofer‘s team advised Big Bundesimmobiliengesellschaft on the outsourcing of its data centre by way of a public tender. The team also handles various local counsel instructions for Microsoft and most recently advised the client on cloud computing services provided to Austrian customers alongside software licensing and service agreements. Julia Kusznier joined Schindler Attorneys as counsel in February 2018.