
iam Patent (2023)
“A premier patent litigation firm, GEISTWERT is led by five highly experienced and entrepreneurial partners and a client-oriented team set on achieving their clients’ business goals. Their collaboration is exceptional, both in terms of content and results, and they are always focused and driven in their approach.” The stellar group recently represented TeleTan, the holder of a core patent of authentication processes in online banking, in an infringement claim.

iam Patent (2023)
“In contentious proceedings relating to software development, Rainer Schultes, Constantin Kletzer and Alexander Schnider are goldmines of information”, and they all brought their A-game to the TeleTan dispute. Schultes is unfazed by the pressures of big-ticket disputes and translates complex matters into easily executable strategies, while Kletzer receives praise for his “reliable, astute and effective collaboration style. His quick wit and engaging manner make him great to work with.” “Alexander is a brilliant lawyer, not only because of his superior knowledge of the law, but also because of his commercial acumen and quick grasp of underlying business concerns.”

iam Patent (2023)
“A highly skilled professional and a familiar face before the EUIPO and the Austrian PTO, Max’s pragmatism and dependability produce exceptional results.”

iam Patent (2023)
“Juliane is an outstanding lawyer who not only manages to identify risks, but also develops the right solutions to fix them. She combines her IP and M&A experience brilliantly, and clients are amazed by her professionalism at every turn.”

iam Global Leaders 2023 Austria (Patent)
Together with ten further Austrian lawyers and patent attorneys, Rainer Schultes, Constantin Kletzer and Alexander Schnider of GEISTWERT were named as “Global Leaders” in Austrian patent law matters.

Chambers Europe TMT (2023)
GEISTWERT is a boutique firm offering dependable expertise in IT and related IP matters. The practice is noted for high-quality work in software contracts and game development. It additionally handles related IP aspects, especially copyright and trade mark matters. GEISTWERT’s further areas of activity include data protection and regulatory advice for tech companies. It is often seen advising technology startups as well as numerous clients in the media, entertainment and electronics industries. The team represents state-owned and private companies on both domestic and multi-jurisdictional matters.

Chambers Europe TMT (2023)
Max Mosing advises clients from the entertainment and tech sectors on a range of IT matters, including development contracts, data protection and questions surrounding NFTs. He further assists with the launch of video gaming platforms and provides regulatory support for tech companies.

Chambers Europe TMT (2023)
Alexander Schnider advises clients on questions pertaining to gaming, NFTs and streaming platforms. He is further active on data protection mandates and provides advice on contracts. A client confirms: “He knows the game industry like no other lawyer in Austria.”

Chambers Global IP (2023)
What the team is known for: GEISTWERT is a well-known law firm offering an excellent IP practice comprising patent and trade mark-related advice, including portfolio management and infringement litigation. The law firm boasts additional experience in domain disputes as well as licence agreements and contentious as well as non-contentious copyright mandates. The team attracts clients from various industries, including gaming, food and drink, technology and energy.
Strengths: “All lawyers are super easy to work with and can shuffle matters around their own ranks to make sure that you get the best lawyer for your matter.” “The team is super quick and its client service is impeccable.” “GEISTWERT provides valuable insights and advice, especially from a commercial point of view and regarding possible legal traps.” “The GEISTWERT partners are specialised in all fields of IP and thus can handle complex matters with enough manpower. The team never loses focus or the overview of the big picture and the economic background.” “The firm’s pragmatism and dependability produce exceptional results also in international, complex and sophisticated matters and in front of the authorities and courts. The team pairs legal expertise with a hands-on approach.”

Chambers Global IP (2023)
Italian and Austrian-qualified Juliane Messner is well placed to assist with IP mandates involving both jurisdictions. She advises prominent clients on trade mark questions, including complex infringement mandates. Clients also benefit from her experience in arbitration proceedings. “Juliane Messner proved to be a most valued support due to her in-depth legal and commercial insights.” “Juliane Messner has a great technical and legal mind and is very responsive.” “She tells us always exactly what to do, when to do it, how to do it and why to do it – crystal clear and to the point.” “You can feel in every project that she loves her work and she understands her client’s specific business needs.”
Juliane furthermore is the only Austrian IP lawyer ranked as “Foreign expert in Italy”.

Chambers Global IP (2023)
Constantin Kletzer boasts a strong IP practice. He represents clients in trade mark disputes and further advises clients on non-contentious trade mark matters. He also assists with copyright issues, domain law and coexistence agreements. “He is amazingly active and driven, speaks my type of language and goes by my speed.” “We are always satisfied with him. He thinks very strategically and to the point.” “Constantin Kletzer is an excellent IP lawyer who is highly efficient and always precise and concise.” “Especially when it comes to strategy he is amazing.” “You can always reach him and he delivers very fast work results and responses.”

Chambers Global IP (2023)
Max Mosing regularly handles a broad spectrum of IP mandates from coexistence agreements and rebranding to copyright and trade mark infringement proceedings. He is particularly visible in the media and technology sectors. “Whenever there is something really sophisticated to solve that needs to be done quickly he is the first choice.” “We’ve achieved exceptional results through Max Mosing’s pragmatism and dependability.” “He is really knowledgable and puts good ideas forward.”

Chambers Global IP (2023)
Alexander Schnider boasts strong experience in IP mandates across the gaming and media sectors. He advises clients on trade marks, licensing and unfair competition as well as copyright issues. “He is a highly skilled trade mark lawyer and a familiar face before the EUIPO and the Austrian Patent Office.” “His major strength is being able to explain underlying legal issues comprehensively and already anticipating follow-up questions while doing so.” “When he spots a real problem he comes up with one or more viable solutions or workarounds and at the same time he can explain their respective advantages and disadvantages.” “Alexander Schnider’s responses always come very quickly and they are very clear and to the point. He sees through the white noise and cuts to the heart of the issue.”

Chambers Global IP (2023)
Rainer Schultes regularly advises clients from the automotive, pharmaceutical and media sectors on a variety of IP mandates, including trade mark and unfair competition claims. He additionally assists with international domain disputes. “Rainer Schultes is a highly capable lawyer.”

WTR 1000 (2023)
“The best thing about GEISTWERT is that they offer a team of five partners, all of whom are entrepreneurs. Due to their knowledge, attentiveness and aptitude for clearly communicating important facts, the team provides practical, IP-savvy assistance to an impressive roster of clients.”