Will Perry

Call: 2018

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Contact Will Perry

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    Education

    BA, GDL and BPTC

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    Introduction

    Will has a busy practice in competition, consumer, data protection, EU, human rights, information, public and regulatory law. He acts for major businesses, NGOs, regulators, central government departments and legally aided individuals.

    Will’s public and human rights experience includes Supreme Court appeals on the interpretation of retrospective changes to the law following the Grenfell Tower fire, the scope of ministers’ national security powers, and environmental access to justice;  human rights cases concerning positive obligations on environmental regulators, the protections for leaseholders in response to the building safety crisis, the leasehold reform legislation, and the DWP’s use of AI and algorithmic technology to identify benefit fraud; commercial and regulatory public law proceedings about a £205m subsidy for Cardiff Airport, the UK’s emergency services network, the award of the Fourth National Lottery Licence and revenues earned by energy companies; and central government challenges concerning the release of a high-profile prisoner, the justiciability of unincorporated copyright treaties, the decision to cancel a £2.4bn PFI, a ban on heather burning, and the publication of the Biomass Strategy. Will was formerly a Judicial Assistant in the Administrative Court.

    His competition law experience includes collective actions concerning mobile phone contracts, postal services, ‘Batterygate’ issues with iPhones, and the Steam PC games store; private claims concerning the Google Android mobile operating system and access to Premier League betting data; and mergers, including the proposed Adobe/Figma merger.

    Will acts in a range of data and information rights matters, including private data protection and privacy proceedings, e.g. in cases for asylum seekers whose phones were seized on arrival in the UK, a sitting cost judge faced with a subject access request, and NHS England’s processing of patient data; unled freedom of information appeals, e.g. in cases concerning civilian deaths caused by UK airstrikes, the rights of parents to see sex education teaching materials, and Cabinet Office polling on attitudes to the Union; and enforcement action by the Information Commissioner, e.g. into betting companies accessing pupil data.

    Will has a particular interest in digital regulation. He has advised on the Online Safety Act, the Digital Markets Unit legislation, Telecommunications (Security) Act, the E-Commerce Regulations and other legislative frameworks; is the co-author of the ‘AI and Public Law’ chapter of the Second Edition of The Law of Artificial Intelligence (Sweet & Maxwell); in 2023 undertook a Pegasus Scholarship at Electronic Frontier Foundation, one of the world’s leading non-profits defending digital human and consumer rights; and in 2020 was seconded to the Media and Online Safety Team within the Department for Digital, Culture, Media & Sport.

    • News
    • Administrative and public law & human rights

      Will is regularly instructed in a range of public law proceedings, including commercial and regulatory public law challenges, complex human rights claims, environmental judicial reviews, central government policy challenges, cases with a national security dimension, and matters at the intersection of other areas of law (e.g. competition, consumer, data protection, subsidy control and trade law).

      In addition to public law litigation, Will has investigations, enforcement and advisory experience in a range of areas, including the digital, education, energy, gambling, product safety, telecoms and transport sectors.

      Will is the co-author of the chapter on ‘AI and Public Law’ in the Second Edition of The Law of Artificial Intelligence (Sweet & Maxwell).

      Cases

      Experience includes:

      Civil liberties and human rights:
      • Adriatic Land 5 Limited v Long Leaseholders at Hippersley Point: Court of Appeal case concerning retrospectivity of the ‘leaseholder protections’ in the Building Safety Act 2022 and their compatibility with the A1P1 right to property.
      • ARC TIME Freehold Income Authorised Fund & Ors v Secretary of State for Housing, Communities and Local Government: A1P1 challenge concerning A1P1 compatibility of the Leasehold and Freehold Reform Act 2024 and related claim for compensation against the UK in the European Court of Human Rights.
      • Various Claimants v Home Secretary: human rights, data protection and common law damages claims on behalf of a number of migrants whose phones and other possessions were unlawfully seized on arrival in the UK.
      • GMCDP v DWP: challenge against the use of AI and algorithmic decision making by DWP to identify potential benefit fraud.
      • Richards v Environment Agency: landmark challenge, under Articles 2 and 8 ECHR, against the Environment Agency’s regulation of a polluting landfill site (and first JR to involve ‘hot tubing’ of expert witnesses).
      • AM, YM FN v London Borough of Haringey: housing judicial review, including novel claim for ongoing breaches of ECHR Article 2.
      • X and Y v Ministry of Defence: challenge against the blanket application of national security and defence exemptions under the DPA 2018 in the context of applications to the Afghan Relocations and Assistance Policy scheme.
      • R (SC) v London Borough of Redbridge: complex housing, social care and education judicial review involving ECHR Article 2 arguments and an A2P1 damages claim.
      • R (Q) v Staffordshire CC: challenge to a local authority’s failure to provide an effective education, including under ECHR A2P1.
      Commercial and regulatory:
      • URS Corporation Ltd v BDW Trading Ltd: Supreme Court appeal concerning retrospectivity of s.135 of the Building Safety Act 2022.
      • An online marketplace v Secretary of State for Business and Trade: judicial review concerning a product withdrawal notice served by the Office of Product Safety and Standards.
      • Airwave Solutions Limited & Ors v CMA: Court of Appeal proceedings concerning the CMA’s decision to impose a price cap on Motorola’s Airwave telecoms network.
      • Birmingham City Council v Secretary of State for Transport: challenge concerning termination of a £2.4bn PFI project.
      • Adobe/Figma merger: acting for Adobe in relation to its proposed $20bn acquisition of Figma.
      • Greenwood v Information Commissioner: challenge concerning the Information Commissioner’s approach to Freedom of Information Act 2000 appeal proceedings.
      • Camelot & Ors v Gambling Commission: challenge concerning the award of the Fourth National Lottery Licence, including an application to lift the automatic suspension (reverse interim injunction). Will has advised more generally on various public and regulatory issues connected to the award of the Fourth Licence.
      • RIIO-2 energy price control appeals: multiple CMA appeals brought by energy companies concerning the gas and electricity prices recoverable from consumers between 2021 and 2026.
      • R (Actegy) v The Advertising Standards Authority: public law challenge concerning consistency of advertising rules with consumer law.
      Environment:
      • Foodrise Ltd v His Majesty’s Treasury & Anor: Supreme Court appeal concerning Aarhus Convention costs capping for environmental cases.
      • Moorland Association & Ors v Secretary of State for Environment, Food and Rural Affairs: challenge concerning the qualified ban on heather burning and preceding consultation.
      • Lifescape Projects v Secretary of State for Energy Security and Net Zero: challenge against the Government’s 2023 Biomass Strategy.
      • Aarhus Convention Compliance Committee complaint: acting for WWF and 7 other environmental NGOs in a complaint to the ACCC concerning the lack of public participation in the negotiation and ratification of FTAs.
      • Testbiotech v EU Commission: challenge against Monsanto’s market authorisation for genetically engineered maize and
      EU, trade and international law:
      • Foodrise Ltd v His Majesty’s Treasury & Ors: Supreme Court appeal concerning the scope of Aarhus Convention costs capping in environmental matters
      • AFM & Ors v Secretary of State for Science, Innovation and Technology: judicial review concerning changes to UK copyright law and the justiciability of unincorporated treaty obligations.
      • Bristol Airport Ltd v Welsh Ministers: subsidy control challenge concerning a £205m package for Cardiff Airport.
      • Trustees of the AFM and SAG-AFTRA Intellectual Property Rights Distribution Fund v Secretary of State for Science, Innovation and Technology: Francovich damages claim regarding the UK’s alleged failure to implement EU and international copyright laws.
      • Pan United v Secretary of State for Environment, Food and Rural Affairs: challenge concerning the allocation of the tariff rate quota for Chinese
      National security and public safety:
      • Secretary of State for Justice v Parole Board: challenge against the Parole Board’s decision to release a convicted murderer.
      • R (VIP) v Home Secretary: Supreme Court appeal concerning the Secretary of State’s powers to issue directions to Ofcom on national security grounds.
      • A company v Home Secretary: challenge against the exercise of Government powers to block telecoms companies from installing equipment at sensitive sites.
      • Telecommunications (Security) Act 2021: advising on the application of the framework to strengthen the security of the UK’s telecoms networks.

      Secondment at DCMS: from April to November 2020, Will was seconded at DCMS, where he advised on a range of public and regulatory law issues concerning media enterprises, online platforms, and emerging technologies, including on various aspects of the Online Safety Act.

      As a full-time Judicial Assistant in the Administrative Court from January to April 2020, Will assisted Supperstone J (Judge in Charge) and other High Court judges on various substantive and procedural matters. The cases he worked on included: Pwr and others v DPP (interpretation of s.13(1) of the Terrorism Act 2000 and compatibility with Article 10 ECHR); R (Banks) v SoS for BEIS (renewable energy state aid challenge); R (X School) v Ofsted (injunctive relief to prevent publication of an OFSTED report); AR v SSWP (interpretative obligation under section 3 Human Rights Act in a social welfare context); R (Morris) v Parole Board (status of unproven allegations of criminal conduct in Parole Board proceedings); Gladman v SoS for HCLG (‘tilted balance’ in the National Planning Policy Framework); and a number of extradition appeals, including Mallya v Government of India.

    • Competition, consumer, economic regulation and group litigation

      Will is regularly instructed by commercial clients, regulators, and other public bodies in a wide range of contexts, including standalone, follow-on and class action competition law claims, regulatory appeals, regulatory enforcement and investigations, mergers, public law cases with an economic angle, and in an advisory capacity. He also has significant experience of group litigation mechanisms in the High Court.

      Cases

      Case experience includes:

      • Bulk Mail Claim Limited v Royal Mail: certified collective proceedings concerning bulk mail services (following on from a 2018 Ofcom Decision).
      • Epic Games v Google: abuse of dominance challenge regarding app distribution and in-app
      • Gutmann v Apple: certified collective proceedings on behalf of iPhone users arising out of ‘Batterygate’.
      • Gutmann v BT/EE: proposed collective proceedings concerning mobile phone contract charges.
      • Keltbray & Squibb v CMA: appeal against fines for cover bidding in the demolition sector.
      • Shotbolt v Valve Corporation: proposed collective proceedings alleging abuse of dominance (including imposition of MFNs) in relation to the distribution of PC games and add-on content.
      • Sportradar v Football DataCo and BetGenius: competition, IP and other private law proceedings regarding access to Premier League and other football betting data.
      • SAG-AFTRA & Ors v Secretary of State for Science, Innovation & Technology: Francovich damages proceedings brought using the representative claim procedure under CPR 19.8.
      • Trucks: instructed by various claimants in the Trucks damages litigation.

      Regulatory experience includes:

      • Adobe/Figma merger: acting for Adobe in relation to its proposed $20bn acquisition of Figma.
      • CMA’s leasehold homes investigation: acting for a party to the CMA’s consumer protection investigation.
      • Energy price control appeals: multiple CMA appeals brought by energy companies concerning the gas and electricity prices recoverable from consumers between 2021 and 2026.
      • Imprivata/Isosec merger: acting for Imprivata during the CMA’s Phase 1 inquiry into an anticipated merger in the digital identity and access management sector.

      For examples of Will’s commercial and regulatory judicial review experience, see the section above.

      Advisory experience includes:

      • Digital Markets Unit: advising on various aspects of the DMU legislation.
      • ITV Adjudicator: legal advisor to the ITV Adjudicator (established following the merger of Carlton and Granada to resolve disputes between ITV and television advertisers).
      • Mid-contract price rises: advising on the consumer and regulatory law implications of broadband and mobile mid-contract price increases.
      • Premier League TV rights Exclusion Order: advised DCMS on the English Premier League’s roll-over of its existing television broadcasting rights contracts.
      • Public interest mergers: advised DCMS on reforms to the media mergers regime and the regime’s interaction with the National Security and Investment Act 2021.

      Will is the co-author (with Brendan McGurk and Antonia Fitzpatrick) of the competition law chapter of the ‘Blockchain Legal & Regulatory Guidance’ produced by the Law Society and Tech London Advocates.

    • Data protection, privacy & information

      Will is regularly instructed in contentious and advisory matters concerning the GDPR, Data Protection Act, PECR, ECHR Article 8, Freedom of Information Act and Environmental Information Regulations.

      Cases

      Data Protection and privacy

      Will regularly acts for NGOs, regulators, central government and private clients on data protection matters in the context of private claims, investigations, regulatory enforcement and judicial reviews, as well as in an advisory capacity.

      Experience includes:

      • Private claims: experience includes acting for a sitting Master and Costs Judge in X v The Transcription Agency and Master Jennifer James, the first claim to consider the scope of the judicial exemption under the DPA 2018; a damages claim on behalf of 16 asylum seekers against the Home Office for unlawful phone seizures and scanning, extraction and retention of private information; and a claim against Meta concerning the geoblocking of social media posts.
      • Public law claims: experience includes challenges against the DWP’s use of AI and algorithmic decision making to identify benefit fraud, the MoD’s blanket application of the defence and national security exemption under the DPA 2018 to applicants to the Afghan Relocations and Assistance Policy scheme, and NHS England’s processing of patient data.
      • Tribunal appeals: experience includes Leads Work Limited v Commissioner (successfully defending a £250,000 penalty) and ColourCoat Ltd v Commissioner (successfully defending a £130,000 penalty).
      • ICO enforcement action: experience includes advising on the ICO’s investigation into GDPR breaches by the Department for Education and Trustopia, which resulted in the use of personal data of up to 28 million learners being used by gambling companies for age verification.
      Freedom of information

      Will has appeared in dozens of freedom of information appeals, in the Court of Appeal, Upper Tribunal and First-tier Tribunal.

      Cases include:

      • Airwars v Information Commissioner & MoD: information concerning the death of a civilian from a 2018 Reaper drone strike in Eastern Syria.
      • Cabinet Office v Information Commissioner: request for internal discussion of an alleged Ministerial Code and BARs breach by the former Home Secretary, Priti Patel.
      • Cabinet Office v Information Commissioner & Tommy Sheppard MP: UT appeal regarding request for polling data on the
      • City of London Corporation & Westminster City Council v Information Commissioner: Court of Appeal appeal concerning section 31 FOIA.
      • CPS v Information Commissioner and Callender Smith: request for legal advice from the Paul Burrell trial on the competency and the compellability of the monarch in criminal proceedings.
      • DVLA v Information Commissioner and Williams: leading UT case on the interpretation of FOIA s.31 (law enforcement)
      • Greenwood v Information Commissioner & Met Police: leading case on withdrawal of appeals.
      • Home Office v Information Commissioner: request regarding chartering of flights for deportation and administrative
      • Home Office v Information Commissioner and the Joint Council for the Welfare of Immigrants: request by the JCWI for a policy equality statement on the impact of the EU Settlement
      • Liberty v Information Commissioner and the Ministry of Justice: request for a draft Green Paper on a proposed British Bill of Rights.
      • MacAirt v Commissioner and PSNI: request for intelligence concerning the 1971 McGurk’s Bar bombing.
      • MoJ v Information Commissioner: request for information concerning the release of a high-profile sex
      • Page v Commissioner & Ors: request for sex education teaching materials and identity of teachers.
      • Post Office Ltd v Information Commissioner: request for legal privileged material relating to the Horizon Scandal.
      • Royal Marsden NHS Foundation Trust v Commissioner & Rowland: request for profit margins on private patient
      • Sloan vs Information Commissioner & Cabinet Office: request regarding meetings of the Cabinet Union Policy Implementation Committee.

      Will is the co-author of the Practical Law note on section 40 of the Freedom of Information Act (the personal data exemption).

    • Additional Information
      Education
      • BPTC, BPP University
      • GDL, BPP University
      • BA, History, Lady Margaret Hall, University of Oxford
      Scholarships and prizes
      • Lincoln’s Inn: Walter Wigglesworth Pupillage Scholarship; European Education Award; Lord Denning BPTC Scholarship; Hardwicke Entrance
      • BPP Law School: BPTC Advocacy Scholarship; BPTC Excellence Scholarship; GDL Scholarship.
      • Oxford University: Joan Thirsk Prize (best pre-modern thesis in history or a joint school); Proxime Accessit to the HWC Davis Prize (for Preliminary Exams – 4th in year).
      • Lady Margaret Hall: CV Wedgwood Prize (best thesis in history or a joint school); Parker Scholarship (for graduates pursuing a legal career); Academic Scholarship.
      • Other: ALBA 2019 conference scholarship; Inaugural Lady Sophie Laws Scholar for the 2019 BEG conference in Gdansk; winner of the 2017 University of Southampton Inter-Varsity Mooting Competition (final judged by Green LJ).
    • What the directories say

      Up and Coming in Administrative and Public Law: “Will is a great junior. He turns things around and is on top of the detail.” “Will has excellent, thorough and attentive legal skills. He is a pleasure to work with and brings flair and inspiration to difficult cases.” “Will is absolutely brilliant and performs well above his year of call. He understands complex issues and is a brilliant addition to any team. He is a star in the making.” “Will is an absolutely excellent all-rounder. He knows all about public law and understands the commercial aspects.” – Chambers UK, 2026

      Up and Coming in Data Protection: “Will is excellent.” “Will is absolutely superb.” – Chambers UK, 2026

      Up and Coming in Group Litigation: “Will is super responsive and really positive to work with. Will is very good in competition claims and class actions. He has genuine expertise in that space.” “Will is an up-and-coming junior.” “Will really thinks around issues. He is able to understand the technological defenses that arise on these cases. He’s got that brain to him, and a good understanding of platform economics.” – Chambers UK, 2026

      Leading in Data Protection: “Will is a very strong data protection and information lawyer, who is an efficient and effective junior but well capable of holding his own against much more senior practitioners” – Legal 500, 2026

      Rising Star in Administrative Law and Human Rights: “Will is an underrated public lawyer, with good drafting and excellent tactical decision-making. He works very well within a bigger team.” – Legal 500, 2026

      Rising Star in Competition: “Extremely bright, hardworking, friendly and absolutely on top of this area. He is measured in his advice and able to clarity out of complexity.” – Legal 500, 2026

      Up and Coming in Data Protection: “He handles information calmly and coolly.” “Will is brilliant. He always goes the extra mile and is always a pleasure to work with.”  – Chambers UK, 2025

      Recommended in Competition, Who’s Who Legal UK Bar 2025

      Rising Star in Data Protection: “Will has an exceptional grasp of FOIA. He is a forceful advocate, who takes good points and makes them firmly and economically.” – Legal 500, 2025

      Rising Star in Administrative Law and Human Rights: “Will is highly intelligent, easy to work with and reliable.” – Legal 500, 2025

      Rising Star in Competition: “Will is a very strong advocate, who understands the technical and economic detail of complex competition matters, but is able to make it simple for the client and court.” – Legal 500, 2025

      Up and Coming in Data Protection: “Will is really calm and measured.” “Brilliant and always a pleasure to work with.” – Chambers UK, 2024

      Rising Star in Data Protection: “An effective advocate with a good court manner, yet is tenacious on behalf of his client.” – Legal 500, 2024

      Rising Star in Administrative Law and Human Rights: “Will is operating at a level well beyond his call. Silks love working with him because he is all over the detail and razor-sharp.” – Legal 500, 2024

      Rising Star in Data Protection: “Will is really friendly, picks things up quickly and is very thorough in his work.” – Legal 500, 2023

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