Cormac O'Daly advises on a wide range of EU and UK competition law issues. These have included merger control, cartels and related litigation, licensing and other vertical and horizontal agreements, other potentially restrictive practices and alleged abuses of market power. He regularly advises on areas at the convergence of competition and intellectual property laws including regarding abuse of dominance.  

Mr. O'Daly’s clients have ranged from software companies, hardware manufacturers, oil and gas producers, companies appealing fines imposed by the European Commission (including Wabco in its 2013 fine reduction of over € 200 million and Guardian in its 2014 reduction of over € 44 million), companies seeking merger approval, and trade associations.