Gassauer-Fleissner Rechtsanwälte
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The ‘highly knowledgeable’ team at Gassauer-Fleissner Rechtsanwälte is a leader in pharmaceutical patent disputes for drug originator companies, but the practice covers all areas of contentious IP, including patent, trade mark, and unfair competition litigation. Alongside its disputes work, the team tackles complex non-contentious matters such as IP structuring in M&A and licensing for advanced tech, including AI and automated driving. Dominik Göbel has a deep understanding of the life sciences and pharma sector, specialising in all areas of IP litigation and contractual matters. Manuel Wegrostek is an expert in pharmaceutical patent and trade mark litigation, and the practice was bolstered by the arrival of Michaela Petsche from Baker McKenzie Rechtsanwälte LLP & Co KG in January 2025, adding extensive experience in trade mark, patent, and copyright matters, particularly regarding internet-related issues. Founder Christian Gassauer-Fleissner is a veteran in the patent space.
Legal 500 Editorial commentary
Testimonials
Collated independently by Legal 500 research team.
- ‘What distinguishes Gassauer-Fleissner's practice is their rare combination of deep technical expertise and exceptional accessibility. Having collaborated with them across multiple high-stakes pharmaceutical patent disputes over several years, I've observed a team that operates with both scientific legal expertise and practical efficiency that sets them apart in the market.’
- 'Gassauer-Fleissner stands out through its exceptional engagement, deep expertise, and long-standing experience in intellectual property matters. The team combines technical precision with a pragmatic understanding of clients’ commercial needs. In my view, their strengths play out particularly in the pharmaceutical field, where their knowledge and strategic insight are outstanding.'
Key clients
- Society of the Friends of Music in Vienna
- Münze Österreich