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Practice Summary

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, commodities and conflict of laws/jurisdiction. 

Presently, Mehdi appears (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).

In recent years, Mehdi’s practice has centered on complex derivatives disputes.  In Banco Santander Totta v Carris [2016] 4 WLR 49 he appeared (with Laurence Rabinowitz QC, John Odgers QC and Simon Colton) in the first action heard before the newly-created Financial List, concerning the sale of interest rate swaps to Portuguese transport companies.  In Marex Financial Limited v Creative Finance Ltd and Cosmorex Ltd [2014] 1 All ER (Comm) 122, he appeared (with Alain Choo Choy QC), where the Commercial Court considered the duties of a broker when closing out its client’s portfolio.

Other notable involvements include: One Step (Support) Ltd v Karen Morris Garner & Ors [2015] IRLR 215; [2016] IRLR 435; [2016] 3 WLR 1281 (with Craig Orr QC), before the Supreme Court (October 2017) (Judgment pending) on the important issue of Wrotham Park damages; and in a regulatory / competition context: R (oao Albion Water Limited) v. OFWAT & Anr [2012] EWHC 2259 (Admin); and Albion Water Limited v. Dwr Cymru Cyfyngedig [2013] CAT 6 (with Thomas Sharpe QC and Matthew Cook) before both the Administrative Court and the Competition Appeal Tribunal.

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.