The ‘highly skilled IP experts’ at CMS are well-known for their cross-border IP litigation skills and extensive global trade mark portfolio management. The firm offers broad expertise covering software and AI, with significant involvement in the pharma and TMT sectors. The team's growing film practice includes international IP advisory work for blockbuster movies in production. The team is co-led by Dóra Petrányi, who advises on complex copyright and trade mark issues; Ágnes Sólyom, a full-scale IP expert specialising in film, entertainment, and collective management matters; and Katalin Horváth, who focuses on software and tech-related copyright. Eszter Csapó provides specialist knowledge of IP implications across the telecoms and media industries.
Legal 500 Editorial commentary

Accolades

Client satisfaction: Sector knowledge

Testimonials

Collated independently by Legal 500 research team.

  • ‘Ágnes Sólyom has been working with our company for many years, and her long-term involvement is a true asset. Beyond her deep expertise in the relevant field of law, she has an exceptional understanding of both our industry and our internal operations. She is consistently up-to-date on legal and regulatory developments, treats our matters as a top priority, and always delivers work of the highest quality.'
  • ‘The team at CMS is truly extraordinary. Their client experience is exceptional—marked by remarkable speed, understanding, and a genuine sensitivity towards our industry. They consistently grasp our viewpoints and represent not only our best interests but also us as a company. We can trust that they strengthen our position without compromising our reputation or company culture.’
  • ‘The individuals within CMS’ IP team stand out for their depth of expertise, practical mindset, and ability to simplify complex, cross-border matters. Dóra Petrányi, Ágnes Sólyom, and Miklós Boros were particularly impressive in their handling of challenging trademark opposition cases across multiple jurisdictions. Their technical knowledge and strategic thinking made even the most complex situations appear straightforward.'
  • ‘Ágnes Sólyom deserves special recognition. She is exceptionally easy to communicate with, always approachable, and creates a comfortable and supportive environment for discussions. Our company appreciates her kindness, professionalism, and flexibility, which makes even the most complex legal issues easier to address. Her exceptional knowledge of IP law is evident in every matter she handles, and it is combined with her pragmatic approach.’
  • ‘The team is composed of highly skilled IP experts with deep understanding of the software industry in which we operate. Their breadth of expertise ensures that every inquiry - whether related to software IP, trademarks, or other areas - is handled by the most qualified specialist. The team’s size and structure enable them to provide round-the-clock support, ensuring we receive timely, precise, and practical legal advice whenever needed.’

Key clients

  • Microsoft Hungary Magyar Telekom Partner in Pet Food Proton Cinema RTL Group UNICEF MET K&H Bank ChemAxon

Work highlights

Acted as the legal adviser to Microsoft in key IP aspects of the intersection between AI and copyright, providing strategic advice on a landmark case in the Hungarian market.
Advised RTL Group on a wide array of technology and commercial matters and their strategic projects for over a decade.
Assisted UNICEF with several local projects in Hungary for over five years, including IP law advice on how to maintain stability of the IP portfolio during day-to-day operation and specific projects, and assistance with analysing and ensuring that the global UNICEF trade mark rights are kept safe during local projects.

Lawyers

Hall of Fame

The lawyers at the very top of the profession, widely known and respected by peers and clients for their longstanding involvement in market-leading work.

Next Generation Partners

Junior partners with significant recognition from clients and peers in the market and key roles on multiple matters.

Practice head

Dóra Petrányi; Ágnes Sólyom; Katalin Horváth

Other key lawyers

Eszter Csapó; Miklós Boros; Gábor Bertók; Júlia Bokor