Katherine Eddy

1. Guy Carpenter v Willis Limited and others

   [2026] EWHC 361 (KB)

   Acting for Guy Carpenter in major team move litigation in the re-insurance sector.

2. Pal v Accenture (UK) Ltd

   [2026] EAT 12

   Acted for Accenture in defending claims of race and disability discrimination in the Employment Tribunal, and on the subsequent appeal to the EAT.

3. MHA Advisory Ltd v Wynter

   [2025] EWHC 2497 (Comm)

   Acted (led by Richard Leiper KC) in an application to set aside an arbitrator’s award on grounds of serious irregularity, and in the underlying arbitration about the enforceability of post-termination restrictions in an LLP agreement.

4. East of England Ambulance Service v Flowers

   (2021)

   Acted for the Claimants in an appeal to the Supreme Court about whether voluntary overtime should be included in the calculation of holiday pay

5. Gemini Europe Ltd v Sawyer

   [2020] EWHC 3377 (QB)

   Interim injunction application concerning the breach of a non-compete clause

6. Essex County Council v Jarrett

   [2015] 5 WLUK 13, EAT

   Appeal to the EAT against a refusal to order specific disclosure

7. Somerset County Council v Chambers

   [2013] 4 WLUK 616, EAT

   Appeal to the EAT about the scope of the Tribunal’s jurisdiction to determine unlawful deduction from wages complaints in respect of employer’s pension contributions

8. Croft Vets Ltd v Butcher

   [2013] EqLR 1170

   Appeal to the EAT about whether or not the payment of private medical treatment could constitute a reasonable adjustment

9. CVS Solicitors LLP v Van der Borgh

   [2013] Eq LR 934

   Appeal to the EAT about the employee status of a consultant solicitor

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1. R (on the application of Driver) v Rhondda Cynon Taf CBC

   [2020] EWCA Civ 1759; [2021] ELR 193

   Challenge to a schools reorganisation decision; the appeal to the Court of Appeal concerned the interpretation of dual language (Welsh and English) legislation

2. Proprietor of Homeschool v Secretary of State for Education

   [2020] UKFTT 0300 (HESC)

   Appeal to the FTT about compliance with the independent school standards

3. JW v Sinai Jewish Primary School Governing Body

   [2019] UKUT 88 (AAC)

   Appeal to the Upper Tribunal about the extent to which a school’s financial resources were relevant to a decision on a disability discrimination claim

4. Duncombe v Secretary of State for Children, Schools and Families

   [2011] UKSC 14, 36; [2011] ICR 1312, 495

   Appeal to the Supreme Court about the territorial scope of the Employment Rights Act 1996 and less favourable treatment of fixed-term employees

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1. Sex Matters v City of London Corporation

   [2026] EWHC 149 (Admin)

   Acted for the City of London Corporation (led by Daniel Stilitz KC) in successfully defending Sex Matter’s challenge to the Corporation’s trans inclusive admissions arrangements for the Hampstead swimming ponds.

2. R (F) v Surrey County Council

   [2023] 4 WLR 35

   Acted as sole counsel in successfully defending a challenge to the local authority’s policy on access to residential alcohol detoxification treatment.

3. R (Kays) v Secretary of State for Work and Pensions

   [2022] EWHC 167 (Admin)

   Acted for the Secretary of State in challenge to the regime governing disabled students’ access to universal credit

4. R (Good Law Project) v SS for Education and others

   [2022] EWHC 1158 (Admin)

   Challenge concerning whether local authorities were taking sufficient steps to secure accommodation in their areas for looked after children

5. R (on the application of Turner) v Secretary of State for Work and Pensions

   [2021] EWHC 465 (Admin); [2021] PTSR 1312

   Challenge to the Secretary of State’s policy on employment support allowance

6. Totel Ltd v Revenue and Customs Commissioners

   [2018] UKSC 44; [2018] 1 WLR 4053

   Appeal to the Supreme Court about the EU law principle of equivalence

7. R (A) v Secretary of State for Health

   [2017] UKSC 41; [2017] 1 WLR 2492

   Appeal to the Supreme Court about the lawfulness of the decision not to provide abortion services free of charge on the NHS to women from Northern Ireland

8. Humphreys v Revenue and Customs Commissioners

   [2012] UKSC 18; [2012] 1 WLR 1545

   Appeal to the Supreme Court about the system of single payment of child tax credit and whether it was indirectly discriminatory against men

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