Tom Hickman KC is a leading practitioner in public and constitutional law, regulatory law, energy, telecommunications, commercial law, competition, national security, international law (including diplomatic and state immunity issues), media, broadcasting, entertainment and sports law. Tom is highly regarded for both his advocacy and his advisory work and is regularly instructed for appellate proceedings in the Court of Appeal, Supreme Court and Privy Council. 

Comments in the legal directories include: "Amazingly bright." (Chambers UK, 2025); "unflappable advocate on his feet, even in situations when others might crumble." (Chambers UK, 2024); "A gifted and creative legal thinker." (Legal 500, 2025).

Tom was named Public Law Silk of the Year at the Chambers and Partners Bar Awards 2020 and was previously included in the country's "Hot 100" lawyers. Since 2017 he has been standing Counsel to the Investigatory Powers Commissioner's Office (IPCO).

Tom regularly advises and conducts litigation on behalf of Governments and public authorities, including regulatory bodies. Prior to taking silk, Tom was on the "A Panel" of Government Counsel and he continues to advise and conduct litigation for the UK Government in silk. Tom also advises and acts for other Governments (examples include the Scottish Government, the Republic of Cyprus, Gibraltar, the Government of the Bahamas and various British Overseas Territories) as well as regulatory bodies such as the Competition and Markets Authority. 

Tom also acts for private clients both in challenges to acts of regulatory bodies and governments and in private commercial, media, entertainment and sports disputes. His background in commercial as well as public and international law means that he regularly acts in complex commercial matters with a public or international law component. He has worked in a wide range of courts and tribunals, including the Chancery Division and Commercial Court and arbitral tribunals. He has litigated numerous cases before the European Court of Human Rights and the CJEU and in British Overseas Territories. He has coordinated international litigation strategies and has experience of working with local lawyers on cases in countries as diverse as Norway, Cyprus, USA, Bahamas, Germany and Uganda. 

Tom has acted in many leading cases, including the Prorogation Case and the Article 50 Brexit Case (in both of which he acted for the claimant, Gina Miller), the Advocate General's reference to the Supreme Court on the competence of the Scottish Parliament to hold an independence referendum, AF (No 3), Basfar v Wong and R (Begum) v SIAC.

He acted for the World Anti-Doping Agency (WADA) in the arbitration proceedings, WADA v Russian Anti-Doping Agency, which determined the ban imposed on Russian participation in international sporting events; for asylum-seekers at Napier military barracks in a succesful challenge to the use of the barracks for housing asylum-seekers during the coronavirus pandemic and for Reclaim These Streets in a challenge to the police decision to prevent a vigil on clapham common from being organised. He has acted and continues to act for WASPI in legal action concerning government maladministration failing to inform women of raises to their state pension age.

Tom has given evidence on English law to foreign courts, such as on assignments of copyrights in German legal proceedings and in January 2020 Tom was the first person to give oral evidence to the Bundesverfassungsgericht (the German Constitutional Court), in the landmark BND Act case concerning communications surveillance by the German foreign intelligence agency (his evidence was on interception of communication laws and oversight) (1 BvR 2835/17). 

Tom is a Professor at the Law Faculty at University College London. He regularly publishes articles, blogs and tweets on legal issues. For over ten years he has convened a course on national security law which brings in expertise from those working in the field. Tom has been invited to give evidence to Parliament on a number of occasions. His evidence has been relied upon in many committee reports, such as the House of Lords Constitution Committee's report on the use of emergency powers during Covid-19 pandemic and the June 2022 Privileges Committee report on Select Committee's powers and the International Agreements Committee's report into the UK-Rwanda Agreement.

A recent blog on the misuse of guidance in response to the Covid-19 pandemic is available here. A blog on the Judicial Review and Courts Act here and a blog on disclosure in judicial review here.

Experience

Shortlist

Civil Liberties & Human Rights

Tom has extensive experience of human rights claims in domestic and international courts and tribunals.

Tom was awarded Human Rights and Public Law Silk of the Year at the Chambers and Partners UK Bar Awards 2020.

In 2021 Tom led a team that successfully challenged the housing of asylum-seekers at Napier Barracks. In 2022 he led a team that successfully challenged the police's refusal to permit a vigil on Clapham Common during the Covid pandemic and he also acted in a successful challenge to a Home Office policy of seizing the mobile phones of asylum seekers and exploiting the data on the phones. 

Tom has acted in a number of applications to the ECtHR, such as Hassan v UK (Grand Chamber), Big Brother Watch v UK (Chamber), Topa v Molda (Chamber) and Cyprus v Turkey (remedies, Grand Chamber). The last of these cases required the Turkish Government to pay the largest ever just satisfaction award for the damage suffered by the enclaved residents of the Karpas peninsula arising out of the military activities northern Cyprus in 1974 and territorial division of the country. The litigation was described by two of the Judges "as the most important contribution to peace in Europe in the history of the Court of Human Rights".

Tom has a particular expertise in the area of national security law. He has acted in numerous leading cases in the context of terrorism and torture, including for Binyam Mohamed in Binyam Mohamed v SSFCA [2010] EWCA Civ 65 & 158, [2010] QB 218, for AF in AF (No 3) v SSHD [2009] UKHL 28, [2010] 2 AC 269 in Al-Jedda v Home Secretary [2013] UKSC 62, [2014] AC 253 and Watson v Secretary of State (CA and CJEU). Tom has extensive experience in asset freezing, TPIM and control order proceedings and surveillance and interception matters.

Tom has also acted in a number of international human rights claims, e.g. in Guerrero & 30 Ors, v Monterrico Metals Plc [2010] EWHC 3228 (QB), Tom represented thirty-one Peruvian campesinos who claimed to have been unlawfully detained and seriously abused during a protest against one of the world’s largest mining concessions in Peru owned by a UK multinational. 

Tom is co-author of leading texts on human rights (Beatson, Grosz, Hickman, Singh, Human Rights: Judicial Protection in the UK (Sweet & Mazwell 2008) and Hickman, Public Law After the Human Rights Act (Hart 2010)) and regularly publishes blogs and articles on the topic.

Cases

Grid view
List view
Shortlist

Commercial

Tom is regularly instructed in commercial matters and brings a strong commercially-minded approach to litigation strategy. Having litigated commercial disputes for over two decades, Tom has extensive and varied experience of commercial litigation, including in seeking commercial injunctions. In his current practice, Tom tends to act in commercial disputes in the media and entertainment or sports context or in complex commercial cases that have a regulatory, international law or public law angle. He has acted in numerous disputes concerning broadcasting and television rights, copyright disputes, royalties, sponsorship and advertising.

In 2024, Tom acted in disputes concerning the Leadmill music and entertainment venue in Sheffield and in a dispute between a multinational events company and PRS. He regularly acts for and advises gaming companies in commercial disputes which counterparties or licensing matters involving the Gambling Commission.

Tom also acted in a substantial joint venture dispute between an international sports body and its commercial partner, the International Olympic Committee, concerning sponsorship and other rights to the Paralympics.

Tom has acted in many passing-off and related matters. He acted for Glaxo in a long-running passing off claim in the pharmaceuticals sector concerning asthma inhalers, which generated multiple judgments of the Chancery Division and addressed issued such as the use of disclosed documents in parallel foreign court proceedings. Tom acted at several stages of the leading trade marks case of Sky v SkyKick , including in a reference to the CJEU which concerned (amongst other things) the scope of the bad faith defence in trade mark law.

Other examples of Tom's commercial practice include acting for HMRC in commercial court proceedings brought by Bernie Ecclestone following the recission by HMRC of its settlement agreement with Mr Ecclestone. Tom acted in a dispute over the sale of Nottingham Forest FC, successfully defending the claim at trial and in the Court of Appeal.

Cases

Grid view
List view
Shortlist

Public & Regulatory

Tom regularly appears in the Administrative Court and appeal courts in the most difficult and high public law cases, including both Miller cases, in which he represented Gina Miller. He has been invited to give evidence to a number of Select Committees as an expert on constitutional and public law.

Tom acted for the Lord Advocate in the Lord Advocate's Reference to the Supreme Court concerning whether the Scottish Parliament has the power to hold a referendum on Scottish independence. Tom has acted for the Governments of the Cayman Islands, Gibraltar, Bahamas, and the BVI.

Tom has huge experience in regulatory disputes, including acting both for and against regulators and similar bodies such as Ofgem, CMA, Ofcom, the Advertising Standards Authority and the Gambling Commission. He also has experience in vehicle emissions regulation, food standards, medicines regulation, and many other areas.

Tom is author of a leading book on public law (Public Law After the Human Rights Act (Hart 2010)) and has written extensively on and blogs journals in the UK and abroad on public law. He teaches and examines public law at UCL. In 2020 he was awarded Public Law and Human Rights Silk of the year.

Tom has been standing Counsel to the Investigatory Powers Commissioner since 2017. In 2020, Tom was the first person to give oral testimony to the Constitutional Court of Germany in a two day hearing before that Court, as an expert witness giving evidence on the subject of the regulation of external interception of communications and intelligence service oversight.

Cases

Grid view
List view
Shortlist

Media & Entertainment

Tom represents clients in particular in commercial disputes, royalty, copyright, trade mark and passing off disputes and has acted in a number of trials and mediations in the media and entertainment sector.  He has been acting in such cases since he started practice: his first case was for the writers of the original Thomas the Tank Engine theme music (Campbell v HIT) in an historic royalties dispute.

Tom often advises broadcasters such as the BBC, ITV and Channel 4 on copyright and contractual matters, including disputes with presenters, copyright issues and broadcasting rights. He has advised in numerous international commercial rights disputes where contracts are subject to English law. He has given evidence on English copyright law in foreign court proceedings.

Tom acted for Rive Droit Music in the well-known copyright dispute culminating in Crosstown v Rive Droit Music Ltd [2012] Ch. 68 and for the former manager of the Bay City Rollers in a major royalties dispute (Wainman v Arista Records).

He later acted for the prog-Rock and classical musician Rick Wakeman in a claim to rescind a contract of copyright assignment (Wakeman v Imagem Songs & BMG) and for MC Harvey in a breach of privacy claim brought by Cheryl Cole (Cole v IPC Media & MC Harvey). 

Tom acted for Ali Campbell, "Mickey" and "Astro", in a long-running band dispute over the name UB40 (Campbell v Campbell). 

In 2024 Tom acted for a multi-national events company in a dispute with PRS and for Au/Ra in a claim to terminate a management contract (the claim settled). He advised on publishing and development contracts concerning a long-running and well-known children's television series.

Other clients have included: Paul McCartney's publishing company (copyright dispute), Status Quo (passing-off dispute), INXS (publishing dispute), Oxford University Press (journal ownership dispute), Sony (copyright), Mark Morrison (police harassment), Knife Party/Pendulum (copyright), Jamiroquai (royalties), Penguin books (various).

Cases

Grid view
List view
Shortlist

EU Law

Tom has a varied experience of representing clients in disputes concerning EU law and acted in many cases involving EU law both before UK courts and the CJEU. As a member of the A Panel Tom frequently advised the UK Government on the application of EU laws. 

Since Brexit, Tom has acted and advised in a number of matters concerning the continuing effect of EU law and the application of the Withdrawal Agreement and Trade and Cooperation Agreements (eg in the context of state aids/subsidy control, extradition and asylum, sale of goods etc). 

Tom was counsel for Gina Miller in the case of R (Miller) v Secretary of State for Exiting the European Union, concerning Article 50 of the TEU. He represented the Law Society in the Grand Chamber of the CJEU in the Joined Cases Tele 2, and Watson v Secretary of State, concerning bulk communications data acquisition and the scope of the E-Privacy Directive. 

Tom acted for SkyKick in the CJEU in a long-running case concerning the bad faith defence under the EU Trade Mark Regulations (SkyKick v Sky).

Cases

Grid view
List view
Shortlist

Sport

Tom’s sports law practice complements his work in the media and entertainment field and he often acts in commercial contract matters and intellectual property rights disputes.
In his very first case in the area, Tom acted for Liverpool FC in a shirt sponsorship dispute with Reebok in the Commercial Court. He has since acted for many Clubs, sports bodies and professional athletes.

Tom acted in one of the most significant anti-doping cases, WADA v RUSADA in which the CAS imposed a two year ban on Russian participation in major competitions, exercising its new jurisdiction under the WADA Code. He has engaged in separate advisory work for WADA.

In 2024 Tom acted in a sports arbitration concerning the use of VAR in Premiership football games.

In 2018-19, Tom acted in litigation in the High Court and Court of Appeal concerning the sale of Nottingham Forest FC, and in 2017 for Renault/Lotus F1 team in a substantial agency dispute.

Tom acted as an independent reviewer of prosecutions for UK Anti-Doping.

Given Tom's extensive experience advising on regulatory matters and acting in regulatory disputes, Tom is particularly interested in the implementation of the Football Governance Act 2025. A Blackstone Chambers seminar on the Act at which he contributed was held on 4 November 2025 and is available on the Chambers' website.

Cases

Grid view
List view
Shortlist

Procurement

Tom has advised in a wide range of procurement and related disputes, including under:

  • The Procurement Act 2023 (prior to that, the 2015 Regulations)
  • The Subsidy Control Act 2022
  • The Utilities Contract Regulations 2016
  • The Electricity (Competitive Tenders for Offshore Transmission Licences) Regulations 2015

In 2025, Tom acted for a company that was wrongly excluded from certain local government contracts due to an alleged connection to the Grenfell Tower fire (R (Siderise Ltd) v Royal Borough of Kensington and Chelsea [2025] EWHC 1178 (Admin)). The claim contended that the exclusion was contrary to the Procurement Act 2023 and settled after permission was granted.

Also in 2025, Tom advised in a dispute over fruit and vegetable aid scheme and underlying retained EU law.

In 2024, Tom acted in a procurement dispute concerning major energy-sector procurement exercise under the Utilities Contracts Regulations 2016, which included issues such as the ability to exclude liability for bid costs in procurements subject to the 2016 regulations. The dispute settled.

Tom advised the Department for Work and Pensions in a substantial dispute concerning the procurement of funding arrangements and acted for Leyton Orient FC in Leyton Orient FC v London Legacy Development Corporation, a challenge to the re-tender process for the rights to use the Olympic Stadium.  

Tom also has experience of subsidy control and concession issues. He is currently advising on the impact of the new subsidy control regime in the energy sector and between 2021 and 2025, Tom acted for the special administrators in the subsidy control challenge to the conduct of their sale of the business of the energy company Bulb, together with a substantial government subsidy valued up to £3bn, under the Trade and Cooperation Agreement.

Tom advised a consortium of banks in relation to the Eurotunnel Concession Agreement in a dispute worth hundreds of millions of pounds.

He was instructed for one of the interested parties in combined judicial review and procurement challenge to the award of the National Lottery licence in 2022. 

Tom is able to act in national-security sensitive procurement and subsidy control matters.

Shortlist

Energy

Tom has extensive experience in energy law, oil, gas, solar, wind, and biogas, off-shore decommissioning issues and licensing. Examples include: 

  • Advising on the Capacity Market Rules
  • Advising on T10 OFTO procurement and transfer process.
  • Advising on new H2P projects and changes to the H2P regime.
  • Instructed in a number of substantial disputes concerning Feed-in-Tariffs and solar installation audits.
  • Acting for the Competition and Market's Authority (CMA) in challenge to its determination of appeals from GEMA's RIIO-2 price control decision.
  • Acting for CMA in a challenge to GEMA's decision amending the Connection and Use of Systems Code.
  • Advised Scottish Hydro Electric and others in the energy sector on various procurement and licensing related matters, including in relation to offshore energy generation.
  • Acting for the Special Energy Administrators of the defunct energy company, Bulb in a legal challenge to the statutory business transfer to Octopus Energy.
  • Instructed by Oil and Gas UK on “contracts for difference” applicable to continental shelf activities which represented a major policy change in the North Sea energy sector.
  • Instructed by IPIECA (Global Oil and Gas Industry Association) on Iran and Russia sanctions-related issues.
  • Advised a major extraction company on seismic data disclosure requirements under petroleum production licences. 
  • Advised a multi-national oil company transparency provisions of the 2013 Transparency Directive and Accounting Directives applicable to extraction companies.

Cases

Grid view
List view
Shortlist

Public International Law

Tom has a broad experience in litigating international law issues in domestic courts and the European Court of Human Rights as well as in arbitral tribunals (such as the Court of Arbitration for Sport). 

Tom was counsel in R (Bashir) v Secretary of State for the Home Department in 2018 concerning treaty interpretation and the responsibility of the UK under international law for overseas territories. 

He was also Counsel in Miller v Minister for Exiting the European Union in 2017, which concerned the relationship between the prerogative, statute and international treaties. 

In Reyes v Al-Malki, Tom acted for the intervening party in a case concerning the scope of the commercial exception under the Diplomatic Privileges Act. 

Tom has acted in many of the diplomatic and state immunity cases of recent years, including Harb, FF, Estrada Juffali, Al-Attiyah, Freedom and Justice Party and  Basfar v Wong. The Freedom and Justice Party case is the leading authority on the incorporation of customary international law into the common law; Basfar v Wong broke new ground on the application of the commercial exception to diplomatic immunity. 

Tom also acted for the applicant in Hassan v United Kingdom (Grand Chamber), the leading case globally on the relationship between International Humanitarian law and human rights treaties.

Cases

Grid view
List view
Shortlist

Gambling

Tom regularly acts for clients in the gambling sector on regulatory and licensing issues and has a detailed knowledge of the Gambling Act 2005 and the regulatory environment. Recent examples of work in the sector include: 

  • Tom has advised on several Gambling Commission consultations and proposed code of practice changes. He has advised on the Gambling White Paper and proposed reforms.
  • Advisory work also includes various issues arising during licence reviews and investigations, such as legality of sanctions and fines imposed by the Commission.
  • In 2025 Tom advised Ladbrokes/Entain in an advertising matter
  • In 2024 Tom acting for Ladbrokes/Entain in a restitution claim/damages claim, which was withdrawn before trial.
  • Tom acted for Aspers in a judicial review of the fairness of a licence review process. The claim was granted permission, the Judge rejecting alternative remedy arguments, but settled before trial. 
  • Tom was instructed by an interested party in the challenge to the award of the National Lottery licence. 
  • Tom represented a multi-national casino operating company in Great Eastern Quays Casino Ltd & Ors v Newham London Borough Council, concerning a super-Casino licence dispute.

Achievements

Education

MA (Cambridge), First Class; LLM Hons (Toronto); PhD (Cambridge)

Prizes & Scholarships

In 2016, Tom was awarded The Sutherland Prize for Legal History by the American Society for Legal History for the best published article on legal history in the previous year. The prize was awarded for his chapter on Entick v Carrington published in a book of essays celebrating the 250th centenary of that case in 2015. 

At University, Tom was awarded the Cambridge University prizes for Contract law, for Equity and for Jurisprudence and placed top in his year also in Legal History and Tort Law. He was awarded the University of Toronto Prize for overall Outstanding Performance in the LLM. Tom has been awarded a number of other prizes and scholarships including the Selwyn College Fairest Prize, Fulbright Scholarship, Faculty of Fellowship at the University of Toronto and fellowship at Massey College. 

Tom's book, Public Law After the Human Rights Act (2010) was awarded the Inner Temple Book Prize (new author) for 2008-2011: “an astonishingly mature, thoughtful and original discussion” (Baroness Hale); “always thoughtful and thought-provoking” (Lord Collins); "an admirable piece of work" (Sir Stephen Sedley). 

Bar Awards

Legal 500 Public Law Junior of the Year 2019 

Chambers and Partners, Public Law Junior of the Year in 2017

The Lawyer, Hot 100, 2017

Chambers and Partners, Public Law and Human Rights Silk of the Year 2020 

Publications

Books 

Public Law After the Human Rights Act (2010)  

Tom is also co-author of Human Rights: Judicial Protection in the United Kingdom (Sweet & Maxwell 2008). 

Law Journal Publications

(Selection only. For a fuller list, please visit Tom’s UCL Law Faculty webpage)

  • 'Judicial Review and Guidance' [2024] Law Quarterly Review 381 (with Tom Poole)
  • ‘Beano no more: The EU Charter of Rights after Lisbon’ [2011] Judicial Review 113 (with K. Beal)
  • 'Candour Inside-Out: Disclosure in Judicial Review' UK Constitutional Law Association blog, 16 October 2023.

Memberships 

ALBA, COMBAR, LIBERTY and Amnesty International. 

News

VAT registration number: 863564107

Barristers regulated by the Bar Standards Board

+44 (0)207 5831770

Clerks

Staff