Agnieszka Marciniak

Agnieszka Marciniak advises clients on UK and EU competition law, including competition conduct matters, merger control, foreign direct investment, and private damages claims.

Before joining private practice, Agnieszka spent over five years in-house at a major multinational pharmaceutical company, where she gained significant experience advising on regulatory and litigation matters. She played a key role in coordinating between intellectual property, regulatory, and commercial teams to develop successful product launch strategies, and led damages claims arising from wrongfully granted injunctions.

Agnieszka’s prior experience also includes legal and regulatory investigations in the media and telecoms sectors, gained through her work at a leading media and entertainment company and in the competition team at Ofcom, which enables her to navigate the application of competition law within complex regulatory environments.

With a strong focus on life sciences, media, and telecoms, Agnieszka combines competition law expertise with practical industry insight. She regularly advises on complex merger control issues, strategic regulatory engagement, and competition law compliance, both in transactional contexts and in relation to antitrust investigations, including dawn raids.