Rosaleen Byrne

Rosaleen has over 25 years’ experience handling complex and large-scale disputes across a range of sectors, specifically financial services, communications, digital services, aviation, pharmaceutical, and pensions. Ranked ‘Band 1’ by Chambers & Partners and ‘Leading Partner’ by Legal 500 for Dispute Resolution, Rosaleen is one of Ireland’s ‘go to lawyers’ for advising stakeholders on complex high value disputes in regulated sectors. Her commercial disputes practice focuses on cases with regulatory and economic dimensions and encompasses investigations, statutory inquiries and enforcement actions.

Rosaleen is also regularly engaged on competition / anti-trust cases including state aid litigation and follow on damages actions and has worked on pan-European teams with Europe’s leading competition lawyers and economists. Rosaleen also has considerable experience of representative actions and test cases.

Rosaleen is highly regarded for her investigations practice which spans statutory investigations /inquiries / adjudications and corporate investigations. Rosaleen’s work includes advising on all aspects of investigations from dawn raids and crisis management to inquiry hearings, assessment of harm calculation of financial penalties and findings and regularly involves advising on the complex interplay between white collar crime and regulatory breaches.