Contact details

Guy Harper

T: +44 20 7809 2398 Email Guy | Vcard Office: London

Guy Harper Senior associate

Contact details

Guy Harper

Guy Harper
Senior associate

T: +44 20 7809 2398 Email Guy | Vcard Office: London

Guy is a dispute resolution specialist with extensive experience of High Court litigation and international arbitration.
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Guy advises on a broad range of commercial and finance disputes, with particular expertise in claims involving banking, trade finance, professional negligence, fraud and the fine art sector. He regularly deals with injunctions and freezing orders. He has also handled numerous successful applications to obtain evidence from England for use in foreign legal proceedings.

Guy’s clients include the United States of America, Westbrook Partners, KPMG, UBS, Deutsche Bank, Rabobank and Christie’s.  
  • Commerical litigation
  • Banking and financial services litigation
  • International arbitration

Dolphin Square litigation

Acted for the successful claimant in the landmark case of Westbrook Dolphin Square Limited v Friends Life Ltd, a claim concerning the largest apartment block in Western Europe and a counterclaim valued at in excess of £284.4 million. The case involved numerous issues of company and insolvency law.

Tiger Tank injunction

Acted for the United States of America in recovering three WWII German tanks (including one of the six remaining Tiger tanks in the world). The claim included a successful application for injunctive relief.  The Tiger is now on display at the National Infantry Museum in the USA.

Olympic horse injunction

Obtained an injunction over a horse in London to compete in the 2012 Olympic Games as part of the Dutch team. The injunction was in support of Dutch insolvency proceedings. The injunction did not affect the horse’s participation in the Olympics, in which it and its rider won two silver medals.

Telecommunications dispute

Acted for a defendant in Bentham and Others v Bayat and Others, a US$400 million shareholder dispute in the High Court in relation to a telecommunications project in the Middle East.  The claim was successfully defeated.

Obtaining evidence from England for use in US legal proceedings

Represented the United States of America (Department of Justice) in obtaining documentary and witness evidence for use in a number claims before the US Courts relating to AIG and the collapse of Lehman Brothers (amongst others).  
 
More: Commerical litigation

Mis-selling claims

Acting for a bank in relation to a number of multi-million pound claims arising out of film finance schemes and in a Commercial Court claim alleging the mis-selling of a number of different structured products.

Letter of credit fraud

Representing a major oil trader pursuing contract and fraud claims in the Commercial Court valued in excess of US$18 million. The claim arises pursuant to Letters of Indemnity used to cash Letters of Credit.  

Raiffeisen Bank International v AHAB

Successfully obtained a US$26.6 million judgment under loan finance agreement for Raiffeisen Bank International against AHAB, a Saudi Arabian conglomerate. 
 
More: Banking and financial services litigation

Bilateral investment treaty arbitration

Acted for a financial institution in a US$200 million claim against a state under a bilateral investment treaty.

ICC arbitration

Acted for a defendant in a US$40 million ICC arbitration.

SCC arbitration

Acting for a successful Claimant in a US$4.3 million SCC arbitration.

More: International arbitration
  • Banks and banking
  • Professional services
  • Art and cultural property

Mis-selling claims

Acting for a bank in relation to a number of multi-million pound claims arising out of film finance schemes and in a Commercial Court claim alleging the mis-selling of a number of different structured products.

Letter of Credit fraud

Representing a major oil trader pursuing contract and fraud claims in the Commercial Court valued in excess of US$18 million. The claim arises pursuant to Letters of Indemnity used to cash Letters of Credit.

Raiffeisen Bank International v AHAB

Successfully obtained a US$26.6 million judgment under loan finance agreement for Raiffeisen Bank International against AHAB, a Saudi Arabian conglomerate.

Guy has also spent six months on secondment within the legal team of UBS Wealth Management.

More: Banks and banking

KPMG

Guy has acted for KPMG on a number of contentious matters.  

Accountancy Firms

Acting on behalf of insurers on high value claims against accountancy firms around the world.

Financial Advisor

Successfully defended a financial advisor in a negligence claim arising from a failed investment in a tax structure.  
 
More: Professional services

Christie's

Acted for Christie’s on a variety of contentious and non-contentious matters since the start of his career. This has included spending time on secondment within Christie’s art law team.  

Art dealers and collectors

Guy also advises a number of dealers and collectors.  

Breach of contract
Acting for the original purchaser in a multi-jurisdictional dispute in respect of a breach of a contract for sale of a sculpture by a prominent artist. This dispute covers Europe and America and is of high value.  

Auction house dispute
Representing a collector in a bidding dispute with an auction house.

Impressionist masterpiece
Defending a major dealer on a claim by a purchaser alleging defective title and breach of warranty in respect of an Impressionist masterpiece.

Auctioners and valuers

Negligent attribution of an Old Master painting
Acted for auctioneers and valuers defending a claim alleging the negligent attribution of an Old Master painting.

Competing title claims
Acting on behalf of a major auction house in a High Court claim for relief in respect of a collection of art that was the subject of competing title claims.  

More: Art and cultural property

  • North America

Obtaining evidence from England

Guy regularly acts for parties to US litigation that need witness testimony or documentary evidence from England for use in their proceedings.  He represented the United States of America (Department of Justice) in a number of successful applications relating to AIG and the collapse of Lehman Brothers.  Guy has also acted for a number of London-based financial institutions that have successfully resisted applications for production of evidence.

English counsel

Acted as English counsel in separate US$1 billion professional negligence claims against BNY Mellon and Citibank being heard by the Supreme Court of the State of New York.

Asset recovery and freezing orders

Acted for the United States of America in recovering three WWII German tanks. The claim included a successful application for injunctive relief.

Expert evidence and English law advice

Advising a US law firm acting for a party to arbitration proceedings as to matters of English contract law.

High profile art dispute

Acting in an art dispute concerning an attempt to enforce a contract for the sale of a high value artwork. The matter included proceedings in the New York courts for evidence in support of the main claim brought elsewhere and proceedings in the New York courts brought by and against a subsequent purchaser.

Defending a fine art dealer

Defending a fine art dealer in ICC arbitral proceedings involving a US$40 million breach of warranty and indemnity claim. This has involved parallel high-profile criminal proceedings against the third party seller in the USA.

Insurers' representative

Guy acts as insurers' representative on a range of heavyweight audit negligence claims around the world, arising out of the large scale frauds and corporate collapses.

More: North America

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© Stephenson Harwood LLP 2016. Any reference to Stephenson Harwood in this document means Stephenson Harwood LLP and/or its affiliated undertakings. Any reference to a partner is used to refer to a member of Stephenson Harwood LLP.