Patrick Pennal > Keystone Law > London, England > Lawyer Profile

Keystone Law

Work Department

Commercial litigation.


Patrick is a highly experienced civil dispute resolution solicitor with a wide-ranging international litigation and arbitration practice. His cases are conducted under numerous procedural and substantive laws and forums, including ICC, LCIA, ad hoc and local courts and he has acted for many high profile individuals and world-leading corporations/entities. Patrick qualified as a barrister before becoming a solicitor. The areas in which he specialises are complex multi-jurisdictional commercial disputes; defamation and related issues – claimant and defendant; contentious employment and contract for services disputes; both international and domestic; advocacy in international and domestic arbitration; injunctive and related emergency relief and remedies; both international and domestic; claimant professional negligence. Patrick’s key achievements include acting for senior QCs as claimants against Lloyd’s of London, mediated by Lord Woolf. Acting for Earl Spencer in proceedings against a High Court Judge and others. Acting for defendants in well-known Prince Radu of Hohenzollern/Romania defamation action and related issues; also involving Michael ex-King of Romania and the Romanian Royal House, the House of Hohenzollern in Germany, His Excellency Ambassador Carlson (one time ‘Voice of America’), Prince Paul and Princess Lia of Romania, for whom he has also acted. Numerous involvements for claimants (high profile and otherwise) in defamation and related press intrusion and libel matters. Acting for internationally recognised banker in connection with proceedings involving one of world’s biggest ship owners. Acting for Korean construction group against Formula 1, in relation to proposed Korean Grand Prix.


Trained Freshfields, qualified 1989. Boodle Hatfield, 1993-95; Taylor Wessing, 1995-2000; Blake Lapthorn, 2000-12.

Lawyer Rankings

London > Dispute resolution > Commercial litigation: mid-market

Litigating on behalf of both SMEs and global organisations, Keystone Law has a mouth-watering court success rate in the UK. Within the firm’s lawyer ranks, Alex Ferrari is ‘a top-notch litigator‘; James Healy-Pratt acts in relation to aviation accidents; Matthew Hennessy-Gibbs assists with commercial disputes, contentious insolvency-related claims, and fraud cases; Louise Abbott specialises in civil fraud, cryptocurrency and asset recovery work; and Elaine Chan is ‘a very senior, effective solicitor‘. Also key to the firm’s litigation credentials, Lara Robson represents both high-net-worth (HNW) individuals and companies in disputes; Patrick Elliott is a corporate recovery and insolvency expert; Gagan Ranu focuses on India and Middle East-related disputes; Patrick Pennal has a wide-ranging international litigation practice; and Dharmendra Nair specialises in shipping, commodities and commercial litigation. In 2022, Tracy Sell-Peters joined as partner from DWF, while former partners Matthew Reach and Robert Lawrie departed for Fox Williams LLP and Grosvenor Law, respectively.