Conall Patton KC has a broad commercial practice, including energy, competition, banking and finance, jurisdiction/choice of law, civil fraud and international arbitration. He is highly rated for his oral advocacy and cross-examination skills, the elegance of his drafting and his responsiveness to clients. He is sought after for advice on contractual construction: he currently acts for GlaxoSmithKline in a dispute with AstraZeneca about royalties payable under a patent licence; and he successfully appeared for Glencore in a 2-day appeal in the Court of Appeal concerning the interpretation of tax indemnities in an SPA, having previously conducted the 5-day Commercial Court trial. Conall has appeared in the leading cases concerning shareholder remedies for allegedly untrue or misleading information published by listed companies, notably for HP in its mammoth $5 billion Autonomy trial and for Tesco defending claims arising out of historic profit overstatements. Having previously represented British Airways and MAN in large-scale competition damages actions, in 2022 Conall successfully defended Ede & Ravenscroft in an 11-day abuse of dominance trial in the CAT and continues to act for Rabobank in fraud and competition law proceedings in the Financial List alleging USD LIBOR manipulation.

Called 2004; Gray’s Inn.

Irish, French, German.

COMBAR.

St Columb’s College, Derry; Gonville and Caius College, Cambridge (2002 BA Hons, first class); Graduate School of Arts and Sciences, Harvard University (2003, Kennedy Scholar).