- Co-author of the Hungary chapter in Chambers Climate Change Regulation (2023)
- Eötvös Loránd University, Faculty of Law (2008)
- Eötvös Loránd University, Specialist in Data Protection and Data Security Law (2016)


Abigél is an established privacy lawyer in Budapest, Hungary. Her primary legal practice areas and specializations include data protection law, labour and employment law, as well as consumer protection and advertising law. Having worked for one of the most renowned law firms in Hungary focusing on life sciences for over a decade, she has cultivated particular expertise in the pharma sector as well, combining regulatory, transactional, and compliance-focused experience.
Her work in this area covers advising on the stringent rules applicable to pharmaceutical promotion and related regulatory compliance specific to the healthcare sector. Drafting and reviewing contracts for global pharmaceutical companies is also at the focus-point of her practice, ensuring that distribution and licensing agreements meet both local and EU regulatory standards upon simultaneously reflecting her clients’ best interests. Beyond contract work, she provides strategic counsel on data protection – including employee data protection - and patient privacy, critical issues in the life sciences industry where the handling of sensitive health information is heavily regulated. Her background includes guiding multinational pharma clients through complex compliance training, policy development, and authority investigations. Taken together, her practice demonstrates a rare combination of sector-specific knowledge and cross-disciplinary legal expertise that makes her a trusted advisor to both local as well as global pharmaceutical and other life sciences companies operating in Hungary.
Abigél Sill has built her extensive legal career across several types of distinguished law firms in Budapest, Hungary, each providing unique expertise and client exposure. She spent over a decade at an outstanding practice that advises international and local pharmaceutical and medical device clients on a wide spectrum of regulatory and transactional issues, handling compliance, promotional and distribution-related matters.
Earlier in her career, she gained experience at a boutique law office with an international client portfolio specializing in automotive and manufacturing industries, handling privacy issues emerging in various scenarios, ranging from vehicle recall campaigns to matters revolving around employee data protection. In 2016, she earned an LL.M. in Data Security and Data Protection from Eötvös Loránd University, Budapest, Hungary. She also enhanced her international perspective through work experience gained at a prestigious global law firm in London, providing her with exposure to international legal standards and practices.
This progression through different types of legal practices has provided Abigél with comprehensive experience ranging from Hungarian labour law to cutting-edge international pharmaceutical and life sciences law, ultimately positioning her as an expert in specialized regulatory areas with strong international client service capabilities.
Abigél has served as lead counsel on various complex and strategically significant cases:
While maintaining strict client confidentiality, her leadership of these engagements demonstrates both her cross-border legal proficiency and remarkable adaptability to complex regulatory environments, including the demanding compliance requirements of the pharma industry.
These qualifications underscore her robust academic foundation and global perspective as a distinguished pharmaceutical and data protection practitioner in Budapest, as well as a recognized employment lawyer in Hungary.
Abigél actively contributes to the legal profession through mentorship, professional guidance, and her forward-thinking mindset: