Patrick Halliday

Ranked in 3 Practice Areas

Band 1

Employment

London (Bar)

12 Years Ranked

Band 1

Public Procurement

London (Bar)

8 Years Ranked

Band 4

Administrative & Public Law

London (Bar)

3 Years Ranked

About

Provided by Patrick Halliday

UK Bar

Practice Areas

Procurement; employment; public; pensions; commercial.

Career

Called 2005, Gray's Inn. Former pupil to Philip Sales (now Lord Sales). Specialist in procurement, employment (including High Court claims against former employees), pensions (especially JR claims, public sector schemes and discrimination) and public law.

Recent cases include:

R. (British Gas Trading Ltd) v Secretary of State for Energy Security and Net Zero [2023] EWHC 737 (Admin) (subsidy control); Manning v Walker Crips Investment Management Ltd [2023] EAT 79 (employment/worker status); Practice Plus Group Ltd v NHS Commissioning Board [2022] EWHC 2082 (TCC) (procurement, automatic suspension); R (Efthimiou) v City of London [2022] EWHC 1588 (Admin) (public/discrimination, charges at Hampstead Ponds); R (Gardner) v SoS for Health and Social Care [2022] PTSR 1338 (public, care homes deaths during pandemic); R (Good Law Project) v SoS for Health [2022] PTSR 644 (procurement, unlawful ‘VIP’ lane); R (Enterprise Managed Service Ltd) v SoS for Housing, Communities and Local Government [2021] Pens LR 15 (pensions, LGPS exit credits); Lloyds Banking Group Pensions Trustees Ltd v Lloyds Bank Plc [2021] Pens LR 10 (pensions, equalisation of GMPs, transfers out); R (BT plc) v HM Treasury [2020] EWCA Civ 1 (pensions, indexation); Curless v Shell International Ltd [2020] ICR 431 (employment, privilege).

Professional Memberships

ELBA; ELA; ALBA; PLA; UKSALA; Combar.

Publications

Joint editor of 11KBW's Procurement Law Newsletter.

Personal

Pembroke College, Cambridge (first class degree in Social and Political Sciences, Foundation Scholar); City University (CPE, Distinction).

Chambers Review

Provided by Chambers

UK-Bar

Public Procurement - London (Bar)

Band 1

Individual Editorial

Patrick Halliday regularly advises contracting authorities and tenderers on contentious and non-contentious procurement issues and has acted in some of the heftier cases in the field. Halliday acts for a range of clients including those in the healthcare, transport and redevelopment sectors.

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Employment - London (Bar)

Band 1

Individual Editorial

Patrick Halliday handles complex discrimination, whistle-blowing and mass litigation cases for a range of clients across the public and private sectors. He is experienced in both High Court and Employment Tribunal cases.

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Administrative & Public Law - London (Bar)

Band 4

Individual Editorial

Patrick Halliday is a member of the Attorney General's A panel and is regularly instructed by central government as well as local government. Recent highlights include involvement in landmark COVID-19-related judicial review claims brought by the Good Law Project.

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Strengths

Provided by Chambers

Patrick is great to work with, and particularly adept at identifying pragmatic solutions to complex issues. He is really user-friendly and excellent at embedding himself in the client team.

Public Procurement respondent
UK-Bar

Patrick is a great lawyer with an eye for detail. He is calm and reliable.

Public Procurement respondent
UK-Bar

Approachable, responsive and someone liked by clients due to his straightforward advice. He is able to distil complex issues into easily understood advice.

Public Procurement respondent
UK-Bar

He is fearless and confident and undaunted. He is cerebral but personable. He can make a complicated thing simple as he explains it and is an excellent written advocate.

Employment respondent
UK-Bar

Patrick is my go to senior junior for the most complex, high-profile and high-risk cases.

Employment respondent
UK-Bar

Patrick is calm, measured and his written drafting is particularly good.

Administrative & Public Law respondent
UK-Bar

Patrick is bright and engaged. He is always happy to put in time and he has very sound judgement.

Administrative & Public Law respondent
UK-Bar

Patrick is great to work with, and particularly adept at identifying pragmatic solutions to complex issues. He is really user-friendly and excellent at embedding himself in the client team.

Public Procurement respondent
UK-Bar

Patrick is a great lawyer with an eye for detail. He is calm and reliable.

Public Procurement respondent
UK-Bar

Approachable, responsive and someone liked by clients due to his straightforward advice. He is able to distil complex issues into easily understood advice.

Public Procurement respondent
UK-Bar

He is fearless and confident and undaunted. He is cerebral but personable. He can make a complicated thing simple as he explains it and is an excellent written advocate.

Employment respondent
UK-Bar

Patrick is my go to senior junior for the most complex, high-profile and high-risk cases.

Employment respondent
UK-Bar

Patrick is calm, measured and his written drafting is particularly good.

Administrative & Public Law respondent
UK-Bar

Patrick is bright and engaged. He is always happy to put in time and he has very sound judgement.

Administrative & Public Law respondent
UK-Bar

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Silks (KC)

All Circuits

Court of Protection: Health & Welfare

Joanne Clement KC

Band 3

Patrick Halliday

UK Bar Guide 2025

Employment + 2 more rankings

About

Practice Areas

Career

Professional Memberships

Publications

Personal

Chambers Review

UK-Bar

Public Procurement - London (Bar)

Individual Editorial

Employment - London (Bar)

Individual Editorial

Administrative & Public Law - London (Bar)

Individual Editorial

Strengths

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Silks (KC)

All Circuits

London (Bar)

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