REPRESENTATIVE EXPERIENCE
John D. Magnin
Corporate, Joint-venture, Transactional and Boardroom Disputes
Joint venture disputes (x 2) involving assets in Kazakhstan.
Joint venture disputes (x 2) involving assets in Kurdistan.
Joint venture dispute involving assets in Nepal.
Joint venture dispute involving assets in Ghana.
Joint venture dispute involving assets in Zambia.
Activist investor dispute involving proceedings before the Takeover Panel and the Takeover Appeal Board.
Obtaining eight-figure judgment in ‘material adverse change’ claim.
Unfair prejudice proceedings resulting in nine-figure buy-out of venture capital client.
Acting for Chinese investors in unfair prejudice proceedings leading to boardroom change at
UK-listed African mining company.
Acting for non-executive directors in successful defence at trial of disqualification
proceedings following high-profile collapse of a UK Christmas savings company.
Working with US counsel to defeat hard fought veil-piercing claims in Californian proceedings.
Successful defence of eight-figure warranty claims concerning sale of car and van rental
business.
Advising on favourable resolution of warranty claims on purchase of telecoms business.
Eight-figure recovery through completion accounts expert determination following purchase of
oilfield services business.
Seven-figure recovery through completion accounts expert determination, to reflect status of
ageing inventory, following sale of food additives business.
Advising on limited partner disputes involving substantial real estate assets.
Advising on team moves, especially in the financial services sector.
Advising on boardroom disputes involving severance and bad leaver provisions.
Advising investment manager on limited partnership departures.
Finance and Financial Services Disputes
Numerous disputes arising from securitisation and structured finance transactions, including
litigation in the UK and internationally.
Crypto asset related litigation.
Litigation over bills of exchange and promissory notes.
Litigation over security, guarantees and indemnities.
Successful mediation of alleged Quincecare claim.
Defending CFD broker against claims brought by customers alleging mis-selling, churning and
provision of false information.
Defending forex broker against claims brought by purported customers over the operation of sub accounts.
Defending futures broker against claims brought by customers over the operation of stop loss instructions.
Defending stock broker against claims brought by customers concerning inter-action of trading and loan accounts.
Advising stock broker on regulatory investigation into trading execution practices.
Advising stock broker on challenge to regulator's refusal to grant authorization.
Advising investment bank on regulatory investigation into identity/disclosure of ultimate beneficial ownership of customer.
Advising investment bank on regulatory investigation into alleged concert party involving a fund promoted by the bank.
Advising investment manager on regulatory investigation into alleged concert party in takeover of listed company.
Injunction proceedings involving departing team in financial services sector.
Advising life insurer in mis-selling proceedings.
Sport, Tech and Media
Acting for Formula One Management Limited in a claim brought by former F1 driver, Felipe Massa,
arising out of the “Crashgate” controversy [2025] EWHC 3064.
Acting for The Racing Partnership Limited and AtTheRaces Limited in litigation concerning
protection of data, confidentiality and conspiracy (including [2020] EWCA Civ 1300, [2019] EWHC
1156 and [2017] EWHC 431).
Acting for Press Association in the British Horseracing Board/bookmakers litigation concerning
data rights [2005] EuLER 924.
Advising on the postponement and re-staging of the 34th Ryder Cup matches, including insurance
issues affecting the matches.
Advising Ryder Cup Limited on governance and selection issues.
Advising PGA European Tour on promotion, sponsorship, media rights, governance and accounting
issues.
PGA European Tour -v- KLO re staging rights for Dubai Desert Classic.
Advice to international cricket boards on separate disputes with players, promoters, sponsors
and a broadcaster.
Acting for former chairman of well-known football club in successful defence of a libel action.
Obtaining urgent injunctive relief for an internet service provider facing withdrawal of telecom
network services.
Acting for European telecoms company on its withdrawal from a series of joint ventures in Asia.
Acting for a major telecoms company in disputes over use and deployment of infrastructure
assets.
Advising data management automation business on the unwinding of a major business processing
agreement in the asset management industry.
Film, television, video and music rights disputes. Film finance disputes.
Over 35 Years’ Experience of Litigation in England and Internationally
Acting for non-cause of action defendant in US$400 million crypto asset recovery litigation, Tai
Mo Shan Ltd -v- Oazo Apps Ltd [2024] EWHC 2532 (Comm).
Representing one of eighteen defendants, accused of conspiracy by Syrian claimants, in
successful challenge to jurisdiction on grounds of state immunity, Hashwah & Ors -v- Qatar
National Bank & Ors [2022] EWHC 2242.
Successfully challenging jurisdiction, Idemia -v- Decatur and Ors, [2019] EWHC 946.
Acting for a Brazilian defence contractor discharging an injunction obtained by Israeli defence
systems company concerning a Brazilian Air Force project, Rafael Advance Defence Systems -v-
Mectron Engenharia [2017] EWHC 597.
Acting for litigation funders successfully resisting security for costs in the RBS Rights Issue
Litigation [2017] EWHC 1217.
Acting for the Note Trustee in CSAM -v- Titan and Others (x4), Financial List trial concerning
Class X Noteholder rights in securitisation structure, [2016] EWHC 969 (first instance) and
[2016] EWHC Civ 1265 (Court of Appeal).
Central Bank of Ecuador -v- ContiCorp [2015] UKPC 11: US$570 million decision in the Privy
Council.
Acting for an investment manager in recovery of its performance fee in Proteus -v- SAPRO [2011]
EWHC 768.
Acting for “WWE” striking out US$80 million claim by World Wide Fund for Nature, [2008] 1 All ER
74.
Euroalliages -v- Commission, ECJ [2003] ECR II - 2359 discontinuance of anti-dumping duties on
ferro silicon.
Sheikh Fahad -v- Grupo Torras [1999] EWHC 300 (Comm): multijurisdictional fraud claims.
Disputes arising from distressed business reorganization - British Newspaper Printing Co -v-
Kelly [1989] IRLR 222; Mirror Group Newspapers -v- Gothard [1988] ICR 729.
Over 35 Years’ Experience in International Arbitration
ICC arbitration concerning joint venture investment in Saudi Arabia involving issues of English,
Sharia and Swiss law.
ICC arbitration concerning joint venture investments in India, and associated litigation
(freezing order, anti-suit injunction and determining the law of the arbitration agreement),
Shashoua -v- Sharma, incl [2008] 2 All ER 74).
ICC arbitration concerning sale of power plant from Baltic to India.
ICC arbitration concerning termination of distributorships.
ICC arbitration concerning participation arrangements for major sporting events.
LCIA arbitration relating to Central European shopping centre joint venture (x 2).
LCIA arbitration relating to financial services business in Kazakhstan.
LCIA arbitration relating to rights connected with sporting event.
LCIA arbitrations concerning gas/LNG price reviews.
LCIA and UNCITRAL arbitrations relating to supply of oil shipments to Kamchatka.
UNCITRAL arbitration relating to LNG project in Africa.
Fast-track arbitration for noteholders in a structured investment vehicle.
Fast-track arbitration for policyholder under contingency event insurance.
Ad hoc arbitration concerning a landmark building.
Ad hoc arbitration concerning reinsurance disputes.
Commodity trading arbitration involving sugar trading.
Commodity trading arbitration involving cotton trading finance and letters of credit.
Non-ferrous metals arbitration involving quality of alumina supplies.
Non-ferrous metals arbitration involving economic effects of downturn in gallium market.
