
CMS advises across the full spectrum of matters including IT, cloud, telecoms, media, e-commerce, and cybersecurity. The team is known for representing clients before key regulators, including the Polish Data Protection Authority, the Office of Electronic Communications and the Financial Supervision Authority. Tomasz Koryzma has significant expertise in privacy, data protection and cybersecurity, regularly advising multinational clients on the full spectrum of data regulation challenges. Damian Karwala is recognised for his work across data protection, cybersecurity, IT law and digital transformation, acting for clients such as banks, insurers and telecoms.
Legal 500 Editorial commentary
Testimonials
Collated independently by Legal 500 research team.
- ‘CMS has a group of very professional privacy law lawyers who are very proactive and responsive. They are an experts on privacy regulations and have good understanding of DPA expectations.’
- ‘The team is open, approachable and genuinely focused on the client’s needs. I appreciate their collaborative way of working and their practical approach to solving problems.’
Key clients
- Lufthansa Group
- Iron Mountain
Work highlights
Advised the association representing all Polish banks on GDPR compliance and local privacy regulations, particularly in relation to reporting obligations to the National Bank of Poland.
Lawyers
Leading partners
The strongest partners in their field, leading on market-leading deals and endorsed by peers and clients alike.

Leading associates
Leading associates with regular involvement in their team's key work, and recognition from peers or clients as being ones to watch.
Practice head
Tomasz Koryzma
Other key lawyers
Damian Karwala

