Gary Oliver
Senior Clerk
+44 (0) 207 822 7325
Grant accepts instructions across Chambers’ areas of expertise, including in commercial disputes, civil fraud, company law, public and regulatory law, sports, and competition.
Recent highlights include assistance on the following matters:
Grant studied Law at the University of Sydney, placing second overall in the graduating cohort and receiving his degree with First Class Honours. He also undertook a Masters in Islamic Studies at Charles Sturt University, specialising in Islamic jurisprudence, and received the university‑wide Charles Sturt Medal.
Grant’s prior legal work includes experience at DLA Piper Middle East in Dubai and Clifford Chance in Sydney, and as a researcher in public international and comparative law at the University of Sydney. He also served a term as a Student Director of the International Law Students Association, working with law students and universities in Ukraine and Palestine.
Beyond the law, Grant has undertaken graduate research in Classics at the University of Cambridge as a Gates Cambridge Scholar, and as a guest researcher at Heidelberg University, focusing on Greek and Semitic linguistics. He has taught undergraduate and graduate classes in Latin and Classical Greek at the Cambridge Faculty of Classics, as well as college supervisions on historical linguistics.
Grant accepts instructions in all areas of commercial law. He has assisted in a range of high-value and complex commercial disputes in the County Court, High Court, and Court of Appeal, as well as in arbitral proceedings.
Grant has particular experience working on cross-border disputes with a foreign law element. Before coming to the Bar, Grant developed an expertise in comparative and foreign law, with a specialisation in Middle Eastern legal systems (including those of Saudi Arabia and the UAE).
Advising an investment bank on a claim for breach of contract arising from an agreement to acquire shares in a debtor company (with Fraser Campbell).
A claim for breach of contract and unlawful means conspiracy in relation to inherited shares in a Saudi company, raising complex issues of Saudi company law (assisting Shane Sibbel for the Claimant).
A claim seeking over £600 million in respect of historic misselling liabilities (assisting Fraser Campbell for the Claimant).
A claim brought by an aerospace company against its former director for breach of contractual and director’s duties in respect of a call-in notice under the National Security and Investment Act 2021 (assisting Fraser Campbell for the Claimant).
An LCIA arbitration relating to claims in debt and breach of contractual security obligations (assisting Andreas Gledhill KC and Shane Sibbel for the Claimant).
Advice on the terms and operation of Guarantee Agreements made between lenders and the Secretary of State for Business, Energy and Industrial Strategy under the COVID-19 Bounce Back Loan Scheme (assisting Fraser Campbell).
A claim against insurers under the terms of a Warranty and Indemnity Liability Insurance Policy, for insured losses of over US$22 million caused by breaches of warranties under an SPA (assisting Fraser Campbell for the Claimant).
A claim relating to the Defendants’ wrongful retention and dissemination of confidential information, in breach of a settlement agreement between the parties (assisting Fraser Campbell for the Claimants).
A high-value contractual dispute with HMRC relating to an Employee Benefit Trust Settlement Agreement, involving complex issues of tax law, trusts, and recission (assisting Leona Powell for the Claimants).
A civil fraud claim, alleged to be worth in excess of US$850 million, brought by the Kuwaiti Public Institution for Social Security against its former director general, involving questions of Kuwaiti and Swiss law (assisting Harry Adamson for the First and Second Defendants).
Unfair prejudice petitions relating to two companies within a family business, complaining of the diversion of profits and assets, exclusion from management and failure to pay reasonable dividends, all in breach of a common understanding (assisting Fraser Campbell for the Petitioner).
An unfair prejudice petition, complaining of an undervalue sale of the company’s operating subsidiary by the majority to themselves (assisting Fraser Campbell for the successful Petitioner). The majority shareholder was ordered to buy out the petitioner’s shares at value as assessed at time of sale (notwithstanding that the subsidiary had since entered administration), and a third party was found secondarily liable, having colluded in the scheme.
A claim in restitution relating to the provision by water and sewerage companies of water and drainage information to personal search companies, for a claimed quantum of over £150 million (assisting Monica Carss-Frisk KC and Jason Pobjoy for the Severn Trent Defendants). The Stage 1 decision was the first major High Court ruling on the scope and application of the Environmental Information Regulations 2004.
An application for money judgment following the Claimant's successful claim for breach of joint venture fiduciary duties, arising from his wrongful exclusion from the joint venture companies and the transfer of their assets to entities controlled by the Defendant (assisting Shane Sibbel for the Claimant).
Advice for the Principal Employer of a defined benefit pension scheme on the operation of return of surplus provisions and the parameters of rationality/good faith within which decisions should be made on discretionary increases to pensions in payment (assisting Fraser Campbell).
A claim seeking negative declaratory relief against the Claimant's former employee, an investment analyst claiming entitlement to a bonus alleged to be worth almost £8 million. (assisting Fraser Campbell for the Claimant).
Advice for the director of a property company on an unfair prejudice petition against his co-director, complaining of diverted opportunities, exclusion from management, and the exploitation of company resources (assisting Fraser Campbell).
Advice for a high-worth individual on issues of company law in relation to the corporate trustee of a family trust (assisting Fraser Campbell).
A civil fraud claim brought against the Claimant company's former joint venture partner, relating to the sale of its share in an aviation leasing and consultancy business (assisting Harry Adamson for the Claimant).
Claims and counterclaims relating to the consequences of a company reorganisation in which the First Claimant was bought out of the family business (assisting Fraser Campbell for the Defendants).
Advice for a major telecommunications company on the enforcement of high-value arbitration proceedings in the UK (assisting Leona Powell).
A claim against the Claimant's former employee and competitor companies, seeking relief for the wrongful dissemination of confidential information and the diversion of business opportunities (assisting Fraser Campbell for the Claimant).
A civil fraud claim relating to investments in a luxury resort in Thailand, raising questions of Thai law (assisting Shane Sibbel for the Defendants).
An application to appeal on (inter alia) the test for when a claimant is constructively on notice of the need to investigate their claims for the purpose of assessing limitation periods (assisting Harry Adamson for MGN Ltd). This application formed part of the Mirror Newspapers hacking litigation.
Advice for the Secretary of State for Defence on a claim for damages for breach of contract against an external contractor (assisting Harry Adamson).
Grant accepts instructions in all areas of civil fraud, including applications for interim injunctive relief.
A claim for breach of contract and unlawful means conspiracy in relation to inherited shares in a Saudi company, raising complex issues of Saudi company law (assisting Shane Sibbel for the Claimant).
A civil fraud claim, alleged to be worth in excess of US$850 million, brought by the Kuwaiti Public Institution for Social Security against its former director general, involving questions of Kuwaiti and Swiss law (assisting Harry Adamson for the First and Second Defendants).
A civil fraud claim brought against the Claimant company's former joint venture partner, relating to the sale of its share in an aviation leasing and consultancy business (assisting Harry Adamson for the Claimant).
A civil fraud claim relating to investments in a luxury resort in Thailand, raising questions of Thai law (assisting Shane Sibbel for the Defendants).
An application to appeal on (inter alia) the test for when a claimant is constructively on notice of the need to investigate their claims for the purpose of assessing limitation periods (assisting Harry Adamson for MGN Ltd). This application formed part of the Mirror Newspapers hacking litigation.
Advice for a financial institution on a Norwich Pharmacal order application in respect of a potential claim for alleged misconduct related to shares in an Indonesian company (assisting Harry Adamson).
Advice for a potential claimant on the availability of interim injunctive relief against a former employee acting in breach of duties of confidence and restrictive covenants (assisting Harry Adamson).
A freezing application sought against his property in England in support of civil fraud proceedings in Delaware (assisting Harry Adamson for the Respondent).
Advice for a potential claimant on a claim relating to the misappropriation of valuable artwork located abroad (assisting Harry Adamson).
Grant accepts instructions in all areas of company law, including unfair prejudice petitions, shareholder disputes, alleged breaches of directors' duties, and director disqualification proceedings.
Advising an investment bank on a claim for breach of contract arising from an agreement to acquire shares in a debtor company (with Fraser Campbell).
An unfair prejudice petition, complaining of an undervalue sale of the company’s operating subsidiary by the majority to themselves (assisting Fraser Campbell for the successful Petitioner). The majority shareholder was ordered to buy out the petitioner’s shares at value as assessed at time of sale (notwithstanding that the subsidiary had since entered administration), and a third party was found secondarily liable, having colluded in the scheme.
A claim brought by an aerospace company against its former director for breach of contractual and director’s duties in respect of a call-in notice under the National Security and Investment Act 2021 (assisting Fraser Campbell for the Claimant).
An application for money judgment following the Claimant's successful claim for breach of joint venture fiduciary duties, arising from his wrongful exclusion from the joint venture companies and the transfer of their assets to entities controlled by the Defendant (assisting Shane Sibbel for the Claimant).
Unfair prejudice petitions relating to two companies within a family business, complaining of the diversion of profits and assets, exclusion from management and failure to pay reasonable dividends, all in breach of a common understanding (assisting Fraser Campbell for the Petitioner).
Advice for the director of a property company on an unfair prejudice petition against his co-director, complaining of diverted opportunities, exclusion from management, and the exploitation of company resources (assisting Fraser Campbell).
Significant director disqualification proceedings brought by the Secretary of State for Business (assisting Andreas Gledhill KC and Harry Adamson for the director).
Claims and counterclaims relating to the consequences of a company reorganisation in which the First Claimant was bought out of the family business (assisting Fraser Campbell for the Defendants).
A claim against the Claimant's former employee and competitor companies, seeking relief for the wrongful dissemination of confidential information and the diversion of business opportunities (assisting Fraser Campbell for the Claimant).
Advice for a high-worth individual on issues of company law in relation to the corporate trustee of a family trust (assisting Fraser Campbell).
Grant accepts instructions in all areas of financial services and banking law.
Acting for the Astana Financial Services Authority in the AIFC Court of Appeal, resisting an application to appeal a judgment upholding AFSA's decision to reject an application to operate a cryptocurrency facility in the AIFC FinTech Lab on grounds of fitness and propriety (led by Ben Jaffey KC).
Advice for a financial regulator on managing potential third-party rights issues during an ongoing investigation (assisting Harry Adamson).
Grant accepts instructions in all areas of public and regulatory law.
An appeal on whether a public authority under the duty of candour is entitled to redact the identities of junior civil servants from disclosed documents on the ground of relevance (assisting Sir James Eadie KC and Jason Pobjoy for the Home Secretary).
The first appellate consideration of sanctions designations under the Russia (Sanctions) (EU Exit) Regulations 2019 (assisting Sir James Eadie KC and Jason Pobjoy for the Secretaries of State).
A claim in restitution relating to the provision by water and sewerage companies of water and drainage information to personal search companies, for a claimed quantum of over £150 million (assisting Monica Carss-Frisk KC and Jason Pobjoy for the Severn Trent Defendants). The Stage 1 decision was the first major High Court ruling on the scope and application of the Environmental Information Regulations 2004.
Advice for a financial regulator on managing potential third-party rights issues during an ongoing investigation (assisting Harry Adamson).
Acting for the Astana Financial Services Authority in the AIFC Court of Appeal, resisting an application to appeal a judgment upholding AFSA's decision to reject an application to operate a cryptocurrency facility in the AIFC FinTech Lab on grounds of fitness and propriety (led by Ben Jaffey KC).
A challenge to the Secretary of State for Justice’s decision to accept a recommendation to terminate the Claimant’s Board membership, following her grossly negligent decision to direct a prisoner’s release (assisting Fraser Campbell for the Parole Board).
A challenge to the Exceptional Case Funding Guidance concerning public funding for legal representation (assisting Shane Sibbel for the Lord Chancellor).
An application by the Home Secretary to withdraw undertakings provided to the Upper Tribunal following its serious errors in the handling of the Applicant’s student visa application (assisting Jason Pobjoy and Rayan Fakhoury for the Applicant).
An appeal relating to a FOIA request for information held about the 1995 Panorama interview with the late Diana, Princess of Wales (assisting Jason Pobjoy and Will Bordell).
Advice for the Lord Chancellor on matters relating to the review of the Personal Injury Discount Rate under the Civil Liability Act 2018 (assisting Shane Sibbel).
Advice for the Attorney General on the merits of potential contempt proceedings for breach of an order under penal notice (assisting Fraser Campbell).
Advice for the Secretary of State for Justice on the disclosure of information about spent convictions (assisting Fraser Campbell).
Advice for a sports governing body on the intersection between national and European licensing and disciplinary jurisdictions (assisting Adam Lewis KC and Jason Pobjoy).
Advice for the BBC on the correct application of the Ofcom Broadcasting Code in respect of infringements of privacy by a programme maker (assisting Jason Pobjoy).
Advice for the Foreign, Commonwealth and Development Office on a challenge to the designation of an entity under the Belarus (Sanctions) (EU Exit) Regulations 2019 (assisting Jason Pobjoy).
Grant accepts instructions in all areas of sports law.
The appeal of a Premier League Commission decision to impose an immediate 10-point deduction for the Club’s breach of the Profitability and Sustainability Rules (assisting Jason Pobjoy for the Premier League).
Advice for an agency contemplating a claim against a competitor for inducing breach of contract in relation to poaching a player under representation (assisting Shane Sibbel).
Advice for a sports governing body on the intersection between national and European licensing and disciplinary jurisdictions (assisting Adam Lewis KC and Jason Pobjoy).
Grant accepts instructions in all areas of EU and competition law. Recent highlights include assisting counsel on the proposed collective proceedings brought by BIRA against Amazon.com, Inc, and Binance's successful partial strike-out application of a loss of chance claim brought by BSV cryptocurrency investors.
Grant is a member of the Bar European Group.
A successful partial strike-out application within collective proceedings in the CAT relating to the delisting of the BSV coin by cryptocurrency exchanges, for a claimed quantum of up to £9.9 billion (assisting Brian Kennelly KC and Jason Pobjoy for Binance). The application concerned the assessment of damages and loss of chance analysis in the competition context.
Proposed collective proceedings in the CAT relating to Amazon’s use of proprietary seller data for its own product entry strategies, for a claimed quantum of up to £1.14 billion (assisting Jason Pobjoy for the Proposed Class Representative).
Multiple claims brought by retailers under Articles 101 and 102 TFEU, relating to the interchange fees applicable to payment card transactions (assisting Jason Pobjoy for Visa).
An appeal relating to the application of the presumption against extraterritoriality to the Competition and Markets Authority’s enforcement powers (assisting Brian Kennelly KC and Jason Pobjoy for Volkswagen).
Grant accepts instructions in all areas of public international law.
Before coming to the Bar, Grant was a researcher at the Sydney Centre of International Law, and served on the Conference Team for the Cambridge International Law Journal. He continues to publish and present papers on public international law topics, with a focus on doctrinal and critical approaches to the international legal system (see Publications below).
Grant also has extensive experience with the Jessup International Law Moot Court Competition, both as a competitor (as a member of the Australian National Champions team in 2018) and team advisor (including coaching the Cambridge team in 2022). He also served a term as a Student Director of the International Law Students Association, working with law students and universities in Ukraine and Palestine.
Grant accepts instructions in all areas of sanctions law.
The first appellate consideration of sanctions designations under the Russia (Sanctions) (EU Exit) Regulations 2019 (assisting Sir James Eadie KC and Jason Pobjoy for the Secretaries of State).
Advice for the Foreign, Commonwealth and Development Office on a challenge to the designation of an entity under the Belarus (Sanctions) (EU Exit) Regulations 2019 (assisting Jason Pobjoy).
"Implementing the Law of the Sea: The Case of Russia in Arbitrations under UNCLOS" in Marta Chantal Ribeiro, Fernando Loureiro Bastos and Tore Henriksen (eds) Global Challenges and the Law of the Sea (Cham: Springer, 2020): 287-317 (with Rebecca Brown)
”Conceptions of Islamic Law in the Colonial Court Practice of the Netherlands-Indies, 1848-1867” (Paper presented at the 2022 Annual Conference of the British Association for Islamic Studies, University of Edinburgh, 7 June 2022)
”Instrumentalising Agreement: Russia’s ‘Treaties’ with the Donetsk and Luhansk’s Republics” (Paper presented at the Gates Day of Research, University of Cambridge, 7 May 2022)
”The Law of the Sea and Islam: A Comparative Approach to Legal Traditions of Mare Liberum” (Paper presented at the 27th Australian and New Zealand Society of International Law Annual Conference, Australian National University, 5 July 2019)
”Universalising International Law through Language: The Use of Arabic in United Nations Conventions“ (Paper presented at the Three Languages - Three Cultures: Narratives from the Middle East Conference, Australian National University, 23 November 2018)
”Islamic International Law and General Principles under Article 38(1)(c) of the Statute of the International Court of Justice” (Paper presented at International Law Weekend, Fordham University School of Law, New York City, 20 October 2018)
VAT registration number: 000
Barristers regulated by the Bar Standards Board
Gary Oliver
Senior Clerk
+44 (0) 207 822 7325
Derek Sutton
Deputy Senior Clerk
+44 (0) 207 822 7327
Adam Sloane
Deputy Senior Clerk
+44 (0) 207 822 7326
Dean Tolman
Clerk
+44 (0) 207 822 7331
Billy Brian
Clerk
+44 (0) 207 822 7339
Marc Armstrong
Clerk
+44 (0) 207 822 7330
Adam Fuschillo
Clerk
+44 (0) 207 822 7329
Danny Compton
Clerk
+44 (0) 207 822 7338
Sophie Reeve
Clerk
+44 (0) 207 822 7324
Toby Dennison
Clerk
+44 (0) 207 822 7328
Daniel Higgins
Clerk
+44 (0) 207 822 7322
Lilly-Grace Hilliard
Clerk
+44 (0)20 7822 7234