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Dora Petryani
Partner

Dóra Petrányi

Global TMIC Practice Group Leader

Languages
  • Hungarian
  • English
  • German
  • French
Social media

Dóra Petrányi is a partner, dual-based in the UK and Central and Eastern Europe, with a market-leading practice at the intersection of technology, regulation and strategic business transformation. She is the Global Practice Group Leader for Technology, Media, IP and Competition (TMIC) and Co-Head of the CMS Global Technology, Media & Communications Sector Group.

She advises many of the world’s leading technology and regulated-sector businesses, as well as major pharmaceutical companies, foreign-owned commercial banks and prominent joint ventures. Dóra is the relationship partner for a major US hyperscaler, advising on strategically significant matters across multiple jurisdictions worldwide.

Her core focus is on complex TMT and digital regulatory work, with deep expertise in AI, digital infrastructure, cloud ecosystems, cybersecurity, data protection and GDPR, competition law, intellectual property, commercial contracts, restructuring and M&A. She is particularly valued for combining first-rate legal expertise with strategic judgment, helping clients manage risk and unlock opportunities in fast-evolving and highly regulated markets.

Dóra also established and leads CMS’s managed legal services delivery centre in Hungary. As part of this initiative, she has built and led a multi-jurisdictional team including UK, German, Spanish, US and PRC lawyers, supporting international companies on a global scale in the management of contracts, procurement and data privacy matters.

She served as CMS CEE Managing Director from 2016 to 2026. Dóra is a member of the International Board of the Global Telecom Women’s Network (GTWN).

She frequently writes and speaks on cutting-edge legal and business issues affecting the technology sector and is a regular speaker at leading international forums, including the World Economic Forum in Davos, Mobile World Congress and ECTA.

Awards & Recognitions
01
  • Quote
    "Dóra Petrányi is very effective and a perfectionist with a really client-centric attitude. Her deep knowledge and wide range of experience is truly impressive and indisputable."
    Legal 500, 2023
  • Quote
    "She is definitely one of the best experts we ever worked with. Due to the significant experience and knowledge in her respected fields she can provide prompt answers even for unusual requests."
    Chambers, 2023
  • Quote
    "She has great overall knowledge of competition matters with a particular focus on business aspects; she is extremely flexible and client-friendly; she organises the work effectively and always look for solutions for the clients."
    Legal 500, 2022
  • Quote
    "She has outstanding experience in many legal areas. She is also a great strategist."
    Legal 500, 2022
  • Quote
    "She is absolutely the preferred partner for all questions concerning IP in Hungary. She is highly knowledgeable, hard-working, responsive and provides effective strategic advice on a domestic and international scale."
    Legal 500, 2022
  • Quote
    "Fully take into consideration the clients' needs and circumstances."
    Chambers Europe 2022
  • Quote
    "A truly experienced professional. She is definitely a perfect combination of a great technical and commercial lawyer."
    Chambers Europe 2022
  • Quote
    "Flexible and client-friendly; she organises the work effectively and always looks for solutions for the clients."
    Chambers Europe 2022
  • Quote
    "She has a deep knowledge of the telecommunications industry, a business-oriented mind and always gives insightful observations."
    Chambers Europe 2022
  • Quote
    "able 'to service the business goals of her clients'."
    Chambers, 2021
  • Quote
    "Dóra Petrányi always gives good advice and her strategic thinking helps move things forward and reach the preferred outcome."
    Legal 500, 2020
  • Quote
    A source emphasises that she has "a very good sense of how to connect business with legislative efforts at Chambers Europe 2020. “Dóra Petrányi always gives the good advice and her strategic thinking helps move things forward and reaching the preferable outcome".
    Legal 500, 2020
  • Quote
    "Dora has the ability to 'design appropriate strategies in order to achieve our business goals'."
    Client Feedback
  • Quote
    "always tries to look for business-oriented and pragmatic solutions."
    Client Feedback

Relevant experience

  • A major US hyperscaler – strategic relationship partner for the client, advising at a global level on artificial intelligence, cloud, complex regulatory issues and business-critical projects.
  • A global technology company on its EU-wide compliance under DORA and the European Accessibility Act.
  • A global energy company focused on electrification and decarbonisation on the review and development of AI sourcing agreement templates and a comprehensive self service negotiation playbook for the client’s sourcing team.
  • Global technology solutions provider on the NIS2 Directive and DORA Regulation compliance.
  • A global e-commerce and cloud services provider on a regional and local basis across a broad range of regulatory, contractual, and cybersecurity matters, including cross border online sales, consumer and advertising regulation, e-contracting issues, DORA and NIS2 compliance and telecom related regulatory support.
  • A leading telecommunications and ICT service provider on a demerger and Infrastructure transfer, providing strategic legal counsel on the complex demerger of passive radio infrastructure into a newly established entity. 
  • A leading pet food company on the strategic acquisition and group-wide implementation of a new ERP system across all international operations.
  • Managed legal services solutions for major multinational companies for contract review and regulatory compliance matters.

Memberships & Roles

  • Budapest Bar Association, 1997
  • GTWN, International Board member
  • UNICEF Hungary, Chair of the Supervisory Board
  • Hungarian AI Coalition, Co-Chair of the Regulatory and Ethics Committee

Education

  • 1993 - Faculty of Law, Eötvös Loránd University, Budapest

Further reading

  • CMS appoints Dóra Petrányi as CEE Managing Director

  • Women in AI

Insights by Dóra

CMS at Mobile World Congress 2026

02 Mar 2026

AI Regulation Scanner

17 Feb 2026 2 min read

White Paper Demystifying the debate on the US CLOUD Act vs European/UK Data Sovereignty in the context of cloud services

03 Feb 2026 18 min read

TMT Finance EMEA 2026

28 Jan 2026
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