Mehdi undertakes a broad range of commercial work and has experience of appearing both led and unled in the High Court. Core practice areas include (but are not limited to) banking and finance, derivatives and commodities.
In 2017, Mehdi appeared (with Adrian Beltrami QC, Anthony de Garr Robinson QC, Alexander Polley and Sandy Phipps) for the Defendant bank in The Libyan Investment Authority v Société Générale (listed in The Lawyers’ Top 20 Cases in 2017) and his practice has involved other notable and complex derivatives disputes such as Banco Santander Totta v Carris  4 WLR 49, in which he appeared (with Laurence Rabinowitz QC, John Odgers QC and Simon Colton) in the first action heard before the newly-created Financial List, and Marex Financial Limited v Creative Finance Ltd and Cosmorex Ltd  1 All ER (Comm) 122, where the Commercial Court considered the duties of a broker when closing out its client’s portfolio.
Other notable past cases include: One Step (Support) Ltd v Karen Morris Garner (with Craig Orr QC), which was ultimately heard in the Supreme Court in October 2017 on the important issue of negotiating damages, and Standard Life Aberdeen v Lloyds Banking Group / Scottish Widows (led by Laurence Rabinowitz QC, Mark Howard QC and Steven Elliot QC), a 2019 arbitration concerning the termination of a series of asset management contracts following the merger that formed Standard Life Aberdeen.
Mehdi is currently involved in a number of other significant cases, such as Bugsby Property LLC v LGIM Commercial (led by Orlando Gledhill QC) where he acts for LGIM in its defence of a claim for damages for the breach of an exclusivity agreement concerning the funding of the acquisition of Olympia in 2017, and Quartz Assets LLC and others v Kestrel Coal Midco Pty Ltd (led by Charles Graham QC) where he acts for the Claimant companies in their claim arising out of the Defendant’s funding of the acquisition of an Australian coal mine in 2018.
Mehdi has been named in Legal Week’s Stars At The Bar 2017 - Mehdi “is cool, calm and unflappable...”. His analytical skills have been in demand in banking and commercial litigation claims, as well as competition law instructions; with one partner describing Baiou as “highly engaging, numerate and able to deal quickly with expert evidence and economic models”, adding that he is “fiercely intelligent”;
Mehdi is bilingual (French/English) and has advised and acted for a number of French clients and firms. He also has good knowledge of Arabic.
London One Essex Court
Temple London EC4Y 9AR
Tel +44 (0)20 7583 2000
Fax +44 (0)20 7583 0118
Singapore 28 Maxwell Road
#04-14 Maxwell Chambers Suites
Tel +65 6634 1363
Fax +65 6634 1370