Clients facing data-related litigation before the Austrian DPA and courts instruct Schoenherr (Schönherr Rechtsanwälte), including in matters tied to the retention and processing of customer data, with further expertise in ensuring GDPR compliance across companies' pan-European operations and in relation to the rollout of new products. Günther Leissler spearheads the firm's efforts, overseeing clients' cross-border data protection matters, notably advising on the implementation of new database and telecoms systems, in addition to handling GDPR litigation. Janos Böszörmenyi combines expertise in data protection, telecoms and gambling law.
Legal 500 Editorial commentary
Testimonials
Collated independently by Legal 500 research team.
- Günther Leissler and Florian Terharen stand out as exceptional professionals within the team. They are always approachable and helpful, bringing clear-minded, focused, and solution-oriented advice even when dealing with highly complex material. What truly sets them apart from competitors is their ability to balance rigorous legal analysis with a strong business orientation, ensuring that guidance is not only legally precise but also strategically practical.
- The team is fast, precise, and always on time, delivering detailed answers that ensure the best results within the cooperation I work for. What sets the practice apart is its ability to combine speed with depth, offering client-focused solutions that are both practical and strategically aligned, outperforming many competitors.
- Günther Leissler is extremely competent in his field, impresses with his pleasant and calm manner, and is both stylistically and rhetorically working at a top level. He is also available on his mobile phone if we need to respond quickly, which is extremely important in the event of a personal data breach that has to be notified to the data protection authority.
- 'The team is fast, precise, and always on time, delivering detailed answers that ensure the best results. What sets the practice apart is its ability to combine speed with depth, offering client-focused solutions that are both practical and strategically aligned, outperforming many competitors.'
- 'They are always approachable and helpful, bringing clear-minded, focused, and solution-oriented advice even when dealing with highly complex material.'
- 'Günther Leissler is extremely competent in his field, impresses with his pleasant and calm manner, and is both stylistically and rhetorically working at the top level. He is also available on his mobile phone if we need to respond quickly, which is extremely important in the event of a personal data breach that has to be notified to the data protection authority.'
Key clients
- Advent International Corporation
- Deutsche Telekom
- Österreichische Post AG
- Vienna Insurance Group
Lawyers
Leading partners
The strongest partners in their field, leading on market-leading deals and endorsed by peers and clients alike.
Practice head
Günther Leissler
Other key lawyers
Janos Böszörmenyi