Mr Mark O’Shaughnessy > ByrneWallace LLP > Dublin, Ireland > Lawyer Profile

ByrneWallace LLP’s intellectual property team boasts significant expertise in contentious IP matters, regularly representing clients in trade mark and copyright litigation before the Commercial Court. In addition to this, the team has an enviable non-contentious offering, advising both private and public sector clients on design protection, IP commercialisation, and due diligence. The practice is led by the duo of life sciences expert Colin Sainsbury and Mark O’Shaughnessy, who specialises in IP disputes. Victor Timon and Catherine Dowling are also recommended.

Under the headship of Mark O’Shaughnessy, the media practice at ByrneWallace LLP provides regular assistance to both public and private organisations with reputation management issues, including cyber-attacks, data breaches, reputational damage caused by product recalls and adverse media intrusion. The other key individuals are litigation expert Mona Costelloe and Daniel Holohan, who advises on commercial agreements involving media and broadcast rights.

ByrneWallace LLP has continued to grow its presence in cyber-crime and data breaches, along with white-collar crime and investigations. It is a leading player in contentious public sector matters, acting for state and public agencies in the health, educational, property and tourism sectors. It also remains active in representing private sector clients before the Commercial Court. Jon Legorburu is head of the litigation and dispute resolution team, and is rated for public sector cases, regulatory investigations and white-collar crime. Mona Costelloe has broad expertise across the disputes arena, including regulatory enforcement. Seán O’Donnell is noted for contentious regulatory matters, and data protection and cyber-crime cases. Mark O’Shaughnessy and Valerie Hourigan are also key partners.

The white-collar crime team at ByrneWallace LLP is extremely proficient in assuming the roles of both prosecutor and defence in high-profile criminal investigations, with specific expertise in cybercrime and fraud cases. Jon Legorburu has extensive experience of handling investigations and litigation matters for clients from the financial services, healthcare, and insurance sectors and jointly heads the team with Seán O’Donnell, who specialises in contentious regulatory matters. Mark O’Shaughnessy is a key name for regulatory investigations and disputes and acts for domestic and international companies, and Eimear Redmond often advises public bodies on statutory interpretation and EU law obligations. Robert McDermott and Ben Grogan are also noted.