Our most senior barrister and Chair of the firm’s International Trial Practice, Sue Prevezer QC, has over 25 years of experience arguing large complex commercial cases at every level of the UK judicial system and in arbitration, and sits as a Deputy High Court Judge in the Chancery Division of the High Court.  She is also a CEDR Mediator and is admitted to the Bar in both the Cayman and the BVI.

Sue has considerable experience in managing cross-border litigation including  international arbitration with English and foreign law issues; in particular, litigation involving fraud, breach of warranty, regulatory issues and complex trusts for both corporations and individuals.  She has recent experience in handling extradition and asylum matters and acts for a range of clients, including major corporates, funds, investors, trustees and office holders and high net worth individuals. She also has considerable expertise in insolvency related, securitization and restructuring litigation.

Sue has been named a “Leading Individual” by the Legal 500 directory  in both Commercial and Banking Litigation (2013, 2014, 2015). Legal 500 praised Sue for being a ‘wonderful lawyer’ and a ‘talented and creative adviser’ (2013). Sue is also named to the Legal 500 Hall of Fame in 2018.  Chambers & Partners describes her as a “tough as nails but really good to work with and just fearsomely bright”, “a great advocate and very personable” and that she has “a very nice, stylish manner about her”.  Chambers & Partners say that with her experience as a barrister, Sue brings the best of both worlds to bear for clients facing high-stakes commercial litigation.

Chambers & Partners ranked Sue as Band 1 for both London Litigation and Litigation, UK (2017) and Band 2 in both their UK, Europe-wide and Global rankings for Commercial and Banking Litigation (2015, 2016). She has also been ranked Band 3 (2015, 2016) for Litigation and has been recognized by this publication as both a “Leader in their Field” (Litigation, 2016), as well as both a Leading and a Recommended Lawyer (Commercial and Banking Litigation, 2015).

Under Sue’s guidance, Quinn Emanuel’s London office has risen swiftly through the Legal 500 and Chambers banking and commercial litigation rankings with the firm described in Legal 500 2013 as "fantastic for high-value, difficult litigation".  Chambers 2015, notes that Quinn Emanuel has “... broken the mould – they are the first anti-bank litigation boutique and have had spectacular success.”

Legal Business named Quinn Emanuel US Law Firm of the Year in both 2012 and 2014 and 2016. The Lawyer named Quinn Emanuel International Firm of the year in 2011.

Sue has been named a leading lawyer in asset recovery by Who’s Who Legal: Asset Recovery in 2014.

Sue is listed in Super Lawyers’ Top 100 in 2013, 2014 and 2015.

Sue was listed in the 2016 Best Lawyers in the United Kingdom by Best Lawyers 2016. 

Legal & General Group Plc
Aviva plc
Standard Life plc
Prudential Financial, Inc.

• Lead counsel in Re Sigma Finance Corporation, winning one of the first judgments handed down by the UK Supreme Court.
• Lead counsel for a senior creditor in litigation concerning the restructuring of a Structured Investment Vehicle, Whistlejacket, and adviser to the senior creditors committee on litigation concerning the restructuring of another SIV, Golden Key.
• Lead counsel for HSH Nordbank in its high profile $275 million victory against UBS, a case involving multiple agreements with conflicting jurisdiction provision. The judgment was a unanimous decision of the English Court of Appeal.
• Counsel for one of the bankers involved in the sale of Skype to eBay in proceedings brought against her alleging breach of confidence. Sue obtained a substantial costs award for the defendant.
• Counsel for a German municipality in jurisdiction proceedings brought by UBS regarding CDO transactions. 
• Counsel to Oleg Deripaska, a Russian entrepreneur and investor in high profile, the defendant in proceedings instituted by Michael Cherney which saw one of the largest claims brought in the High Court of England and Wales in recent times.
• Counsel for a Guernsey fund in contested arbitration proceedings in a dispute indirectly related to the insolvency of Lehman Brothers.
• Counsel for the bondholders in litigation against the trustee of a bond issue in Concord Trust v Law Debenture Trust Corp Plc.
• Sue has acted and advised on a wide range of banking disputes – in particular with respect to the international tracing of funds and constructive trusts and on various insurance/FSA regulatory matters.
• Sue is retained by a group of financial institutions against the Royal Bank of Scotland  in the Rights Issue litigation in the High Court of England and Wales.
• Sue is currently advising PriceWaterHouseCoopers (PwC) following the administration of Phones 4U.
• Sue is currently acting for a high net worth individual subject to extradition proceedings.
• Sue recently represented and obtained a judgment in favour of a Class A Noteholder in relation to proceedings brought by a Master Servicer of a CMBS as to the construction of the transaction documents.
• Sue is currently sitting as the Presiding Arbitrator in a contractual and intellectual property LCIA arbitration. 
• Sue is also currently sitting as a co-arbitrator in a high-profile dispute regarding a bank loan agreement and guarantee in an LCIA arbitration.