Jeffery Onions QC

Barrister
Date of call: 1981
QC: 1998

Recommended in both the Legal 500 and Chambers & Partners for his commercial litigation experience, Jeffery Onions undertakes a wide range of complex commercial work both as an advocate and in an advisory context. He has particular expertise in arbitration, banking, insolvency, insurance, oil and gas and sport/media-related cases. He is a member of the London Common Law and Commercial Bar Association and the Administrative Law Bar Association. He also accepts appointments as an arbitrator.

‘Jeffery Onions QC .. "drills down to the essence underlying a case and distils it for judges." ‘Chambers & Partners 2013

‘Jeffery Onions QC "does an excellent job," and is an ideal choice for those seeking an adviser or advocate for complicated commercial matters’. Chambers & Partners 2013

'Jeffery Onions QC is recommended for high-value, complex insurance and reinsurance disputes, and provides ‘robust and intelligent advice’ Legal 500 2012

'Jeffrey Onions QC continues to impress market sources through his securing of excellent results.' Chambers and Partners 2012

'Jeffery Onions QC is 'a forceful and first-class advocate and cross examiner who can change his style so that he always connects with the judge'. ' Legal 500 2011

Recent cases include acting in a substantial unlawful means conspiracy involving allegations of bribery, acting in a substantial alleged property fraud involving allegations of bribery and dishonest assistance in breach of fiduciary duty, acting in a substantial contractual dispute relating to the termination of out-sourcing arrangements and acting in Court of Appeal cases relating to contractual interpretation in the context of loan agreements and of articles of association/pre-emption rights as well as advising in relation to claims arising from the LIBOR scandal, cases involving hedge funds, advising in relation to derivatives (including the construction and effect of the ISDA terms), credit instruments and the construction of contracts involving the production, transportation and sale of oil and gas and advising on the effect of LASPO.  

Other significant and reported cases in specific practice areas are detailed below.