Find a lawyerOur capabilitiesYour careerSearch
Locations
Our capabilities
News

Select language:

Locations
Our capabilities
News

Select language:

hamburger menu showcase image
  1. Marsden Oliver
London
Oliver Marsden
Partner
oliver.marsden@freshfields.com
London: +44 20 7936 4000
hero-banner-image
About

Oliver is a specialist in international arbitration.  He advises and represents companies and state governments in arbitrations under commercial contracts and investment treaties and related court proceedings. 

Oliver has experience across a broad range of sectors, encompassing energy (including renewables), banking/finance, insurance, pharma/biosciences, defence/aerospace, industrials, healthcare and entertainment. In particular, he has extensive experience of tax-related disputes against States and post-M&A disputes.  He conducts advocacy before arbitral tribunals and in the English courts, where he holds higher rights of audience.

Oliver is recognised in Chambers & Partners, Who’s Who Legal: Arbitration and The Legal 500 (and included in The Legal 500’s UK “Arbitration Powerlist”).

Capabilities
International arbitration
Connect
Email
VCARD
Download
Additional Information

  • Representing a multi-national conglomerate in an LCIA arbitration against a healthcare company arising out of an M&A transaction.
  • Representing an international energy company in three ICC arbitrations against a state government.
  • Representing a leading solar energy company in an LCIA arbitration against a construction company relating to a dispute under a supply agreement.
  • Representing an international mining company in relation to the enforcement of an arbitral award in the UK.
  • Representing a leading biosciences company in an ICC arbitration against another biosciences company relating to a licensing dispute.
  • Representing a leading global financial investor in an LCIA arbitration relating to a dispute under a financial instrument.
  • Representing a leading entertainment company in an LCIA arbitration arising out of the cancellation of a joint venture project.
  • Representing a leading fashion house in an 'ad hoc' London-seat arbitration against a distributor.
  • Representing a Caribbean state entity in parallel ICC and UNCITRAL arbitrations relating to supply disputes under several agreements.
  • Representing a South-East Asian state in an investment treaty arbitration against a dual-national investor.
  • Representing an energy supermajor in an UNCITRAL arbitration arising out of a tax stability agreement with a state government.
  • Representing an international energy company in an ICSID arbitration arising out of a production sharing agreement with a state government.
  • Representing a private equity group in an LCIA arbitration relating to warranty claims under a share purchase agreement.
  • Representing another private equity group in an HKIAC arbitration relating to a post-M&A dispute.
  • Representing a major European bank in an ICC arbitration arising out of a corporate acquisition.
  • Representing an international financial institution in: (i) an expedited LCIA arbitration arising out of a letter of credit dispute with a Middle Eastern trading group; and (ii) an ICC arbitration arising out of a joint venture for the development of a hydroelectric power plant.
  • Representing an FX currency management boutique in an LCIA arbitration arising out of a joint venture with an international bank.
  • Representing a satellite service provider in an LCIA arbitration against a satellite network operator relating to several long-term distribution agreements between the parties.
  • Representing a private equity group in expedited expert determination proceedings against a multinational conglomerate relating to claims under an SPA.
  • Representing an industrials company in expert determination proceedings against another industrials company relating to completion accounts under an SPA.

"Oliver is extremely bright, dedicated and strategic, and he leaves no stone unturned."
— Chambers & Partners 2025
big quote image
Oliver Marsden
Partner
oliver.marsden@freshfields.com
T +44 20 7936 4000
london Office

100 Bishopsgate

EC2P 2SR london
Download vCard
FIND US IN
All locations
NAVIGATE TO
About usYour careerOur thinkingOur capabilitiesNews
CONNECT
Find a lawyerAlumniContact us
NEED HELP
Fraud and scamsComplaintsTerms and conditions
LEGAL
AccessibilityCookiesLegal noticesTransparency in supply chains statementResponsible procurementPrivacy

© 2025 Freshfields. Attorney Advertising: prior results do not guarantee a similar outcome

Select language: