
Led by seasoned litigator James Killick, White & Case LLP‘s competition practice regularly handles cross-jurisdictional merger control matters, cartel investigations and antitrust litigation. The team is relied upon by notable technology, financial services, life sciences, oil and gas, and consumer goods sector clients. Mark Powell boasts expertise in handling regulatory clearances for multi-jurisdictional mergers. Strati Sakellariou-Witt is well-regarded for her merger control and foreign subsidies regulation practice. Assimakis Komninos specialises in litigation disputes, Kasia Czapracka and Marika Harjula are notable for their life sciences and telecoms expertise, and Irina Trichkovska supports on antitrust and regulatory matters.
Legal 500 Editorial commentary
Accolades
Client satisfaction: Sector knowledge
Testimonials
Collated independently by Legal 500 research team.
- ‘Marika Harjula's and Kasia Czapracka's extensive knowledge and constant readiness to support us have been invaluable.'
- ‘White & Case's EU Competition practice stands out for its exceptional blend of technical expertise and business acumen.'
- 'Under strong leadership, they have developed a remarkable ability to navigate complex regulatory landscapes while maintaining a practical, solutions-oriented approach.'
- 'Assimakis Komninos stands out as a strategic advisor on key European issues, particularly excelling in competition litigation matters. His proactive approach and ability to provide invaluable insights have made him a trusted go-to partner.'
- ‘Deep expertise on legal areas, and an incredibly practical way of thinking about application of laws and rules. The team is easy to work with, and wants to know our business.’
- ‘The competition team used its expertise and experience in other EU contexts to give reasoned, business-oriented advice. They lay out the risks and make recommendations, and then implement business decisions accordingly.'
Key clients
- Amazon
- Swisscom
- Saudi Aramco Oil Company
- Masdar
- Teva
- Louis Dreyfus Company
- Servier
- Bulgarian Energy Holdings
- American Express
- Computer & Communications Industry Association
- Elanco Animal Health
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
James Killick
Other key lawyers
Mark Powell; Strati Sakellariou-Witt; Kasia Czapracka; Assimakis Komninos; Marika Harjula; Irina Trichkovska


