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Clyde & Co LLP

Living Wage
Work 020 7876 5000
Fax 020 7876 5111
Aberdeen, Abu Dhabi, Atlanta, Beijing, Brisbane, Bristol and 46 more

Hatty Sumption

Work +44 (0) 20 7876 5000
Clyde & Co LLP

Work Department



Hatty is a partner in the marine transportation group. Her core areas of practice are commodity trading disputes (particularly oil trading) and related charterparty, bill of lading, letter of credit and ship sale and purchase matters. For her commodity trading clients, she has also handled a number of disputes under share purchase agreements.

She has extensive experience of multi-jurisdictional cases involving working closely with foreign lawyers and overseeing proceedings in other jurisdictions. Hatty has been recognised by directories as one of the notable individuals at Clyde & Co who were rated first in dry shipping.

Hatty speaks fluent French and has a working knowledge of Italian


Joined Clyde & Co in 1995 in the Hong Kong office. Hatty was admitted as a solicitor in Hong Kong and practised there until 1999 when she returned to London.

Hatty's experience includes:

  • East West Corporation v DKBS and AKTS Svenborg; Utaniko Ltd v P&O Nedlloyd BV (2003) EWCA Civ.83 – claim by the unpaid shipper for misdelivery in Chile without production of bills of lading, court of appeal decision on fundamental questions of title to sue under COGSA 1992
  • Contigroup Companies Inc v Glencore AG (2004) EWHC 2750 (comm.) – case concerning the measure of damages for late delivery of cargo of liquid butane and the reasonableness of settlement concluded with receivers
  • Successful defence of a claim brought in arbitration proceedings for US$64m arising out of the quality of numerous cargoes of crude oil supplied under sale contracts, concerning technical aspects of refinery yields and questions of foreign law

London: Finance

Commodities: physicals

Within: Leading individuals

Hatty Sumption - Clyde & Co LLP 

Within: Commodities: physicals

 Clyde & Co LLP  'delivers excellent response times with in-depth analysis and it has good industry knowledge; it shows dedication and flexibility in reaching out to satisfy clients’ needs'. The practice is led by Marko Kraljevic, who stands out for energy disputes including upstream oil and gas cases, and disputes and arbitration specialist Michael Swangard, who is 'very reliable and reactive to any query'. Swangard recently acted for Liberty Group, which is a prominent player in the steel market, on spot trading and long-term off-take agreements as part of its programme of corporate acquisitions. Hatty Sumption is a leading light for commodity trading disputes, particularly in the oil, coal and metals markets. Sumption and Clare Hatcher, who has in-house experience at a trading company and is highly regarded for her advice on trading and regulatory matters, recently advised an energy company on a bespoke contract for the supply of marine LNG. The firm's deep bench of partners includes litigators John Whittaker, who has significant expertise in international sanctions, Eurof Lloyd-Lewis, Paul Dillon and Andrew Rourke. Clients also single out for praise senior associate Tara Smith , who is a recognised expert on the steel and iron ore industry.

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London: Transport


Within: Shipping

Clyde & Co LLP stands out for its ‘strength-in-depth’ , its ‘market muscle’ and for its ‘up to date, agile, commercially focused and committed service’. The firm's expertise spans wet and dry work, and contentious and non-contentious mandates; and it is particularly known for its experience in charterparty disputes, cross-border disputes, marine insurance claims and coverage, collision and salvage, cargo claims, transactional matters, shipbuilding, maritime personal injury, offshore, sanctions and superyachts. It is acting for Alpine Eternity and Britannia P&I Club on the claims management process after the vessel collided with Iranian-owned oil rig in 2015; is acting for Mitsui Sumitomo Insurance Company as insurers of the cargo carried on the Maersk Tangier which examines the limitation of liability for claims for loss or damage to cargo carried in containers on board a vessel; and it represented Nautical Challenge on the collision between the oil tanker Alexandra 1 and container vessel, Ever Smart. Among the team; Andrew Preston is ‘good at identifying the tactical angles’; David Bennet specialises in dispute resolution and international arbitration; Edward Mills-Webb is active on commodity, charterparty and bill of lading disputes; Martin Hall specialises in maritime law and arbitration; Nick Austin is ‘approachable’; Simon Culhane is ‘brilliant’; Irvine Marr is active on wet and dry matters; cargo casualty head Jai Sharma is ‘very experienced and approachable’; Elizabeth Turnbull is ‘always on top of the key issues’; and Hatty Sumption is ‘very clever and nothing slips under her radar’. Simon Jackson; Andrew Nicholas; Rob Collins and Fanos Theophani are also key members of the team, as are legal director Bethan Bradley , who is ‘good on the interplay between shipping and insolvency’, and senior associates James Kennedy and Thomas Kelly. Stephen Mackin and Jessica Maitra recently joined the team from Eversheds Sutherland (International) LLP.

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