Fiona Ashworth has developed the specialism of acting in cases involving Chronic Pain Syndromes, Complex Regional Pain Syndromes, Chronic Fatigue Syndromes, Somatoform Pain Disorders, Somatic Symptom Disorders, Conversion Disorders, Functional Neurological Disorders and Fibromyalgia. She is considered to be a leading expert on chronic pain.

These conditions are often little understood and extremely challenging. Fiona has built up a deep knowledge and understanding of these chronic pain cases working with medical experts of all different specialisms over the years.  She has been involved in hundreds of such cases, both at first instance and on appeal, acting for both Claimant and Defendant.

Fiona has lectured extensively over the country, has organised numerous Pain Seminars and has contributed published articles on the topic.  She was a delegate at the Pain Summit at Westminster. She was a speaker at the medico legal forum at Peterhouse College Cambridge 2015.

She also has wide experience in personal injury related professional negligence cases.

Fiona is the patron of Burning Nights CRPS charity and works alongside the founder Victoria Abbot Fleming in raising awareness of CRPS.

Fiona has sat as a Recorder since 2009.

Fiona was guest speaker at the British Pain Society’s 50th Annual Conference in 2017.


Fiona deals with all aspects of personal injury related professional negligence.

The failure to properly identify and manage chronic pain cases has given rise to numerous claims against solicitors.

Fiona is considered to be a nationwide leading expert in chronic pain which includes Chronic Pain Syndromes, Complex Regional Pain Syndromes, Chronic Fatigue Syndromes, Somatoform Pain Disorders, Somatic Symptom Disorders, Conversion Disorders, Functional Neurological Disorders and Fibromyalgia.

Significant Cases

MacDonald v Surya Hotels (£4 million settlement for sufferer of CRPS which developed after a sprained ankle)

T.J. Williams v Town and City Pub Group Limited Lawtel 2015 (£430,328 neuropathic pain)

Large v Norfolk CC Lawtel 2012 (£2.3m Fibromyalgia)

Edwards v Salford Primary Healthcare Trust Lawtel 2012 (CRPS £1,000,000),

Beard v Skanska Lawtel 2012 (CPS £345,000)

Casey v Ali [2012] EWCA Civ 1502 (RTA Court of Appeal)

Ellen Baker V Caroline Sumner (2010) Lawtel (Fibromyalgia, Total Damages £120,247)

Rahima Siddique V Bvba Rimotrans (2010) Lawtel (Fibromyalgia, Total Damages £350,000)

Chapman v Moulton [2011] Lawtel, (Fibromyalgia, Total Damages £595,000)

Jennifer Kolodziejcak V (1) Escolme (2) The Livesy Group [2007] Lawtel, (Fibromyalgia, Total Damages £137,500)

Bennett v Smith (2003) LTL 11/3/2003 (At first instance and on appeal before Smith J Andrew) (Fibromyalgia and chronic pain syndromes)

Jennings v Forestry Commission [2008] EWCA Civ 581 (Accidents; assumption of responsibility; Contract of employment/for services; work equipment Court of Appeal)

Thorpe v Weightman [2000] CLY 416 (QBD) (local authority liability; road traffic obstructions)

White v Eon (Court of Appeal) November 2008 (Limitation)

"Fiona is excellent. She is truly a specialist and a formidable advocate"

Chambers UK 2024

"Fiona is the go to practitioner for any chronic pain cases."

Chambers UK 2024

‘Fiona is an excellent practitioner with an in-depth knowledge of personal injury law. She is particularly accomplished as a very strong negotiator and advocate, she always deals with her instructions promptly and is open to a call to discuss a case, and most of all, she has excellent client-handling skills and makes all clients from whatever background feel at ease and confident that she has their best interests at heart.’

Legal 500 2024

"Fiona is an expert when it comes to chronic pain litigation. She is meticulous, conscientious and reliable.

Chambers UK 2024


  • Fiona was appointed as Recorder on the Northern Circuit in November 2008.
  • Fiona also sat on the Legal Services Commission Appeal tribunal for 15 years and was an external examiner for 3 years for the City Law School BVC course and was an external examiner for MMU for 3 years.

Chambers UK 2023

“Fiona is highly experienced in her niche specialism of chronic pain cases.”

‘Fiona is very thorough and detailed, she knows the papers inside out and is very efficient and reliable.’

Chambers UK 2022

“Very able and hard-working – she is a very good advocate.” “She has developed a real niche in chronic pain cases and is a genuine expert in the field.”

Legal 500 2022

“Fiona’s standout strength in relation to chronic pain work is unrivalled knowledge of the area, from both a legal and medical understanding demonstrated. In relation to catastrophic injury I have found her tactics and negotiating strategies to deliver excellent results on each occasion. Her ability to discuss complex causation issues with clients who are often emotional is also a huge benefit.”

Chambers UK 2021

“An excellent advocate with an unrivalled knowledge of chronic pain cases. She is very practical, a team player and a strong negotiator.” “She is incredibly hard-working and always quick to respond.”

Legal 500, 2021

“Fiona has unrivalled knowledge and experience when it comes to chronic pain cases, and couples this with client care skills, working collaboratively with her instructing Solicitors and dealing with claimants with a compassionate but firm hand, instilling trust and confidence. She is a ferocious negotiator, and I would always want her to be in my corner going into a JSM.”

“A fount of knowledge on chronic pain and related cases, with outstanding attention to detail.”

Legal 500, 2020

“Particularly recommended for chronic regional pain cases.”

“An expert in chronic pain cases.”

Chambers UK 2020

“Her strengths lie in being able to get up to speed on any case very quickly while still understanding very complex issues properly and fully.” “She really understands chronic pain work and gives very clear and straightforward advice.” “She is supportive, friendly, and her knowledge in the niche area of chronic pain litigation is second to none.”

Chambers UK 2019

“Her knowledge and understanding of chronic pain issues is unequalled and this, coupled with her technical skills, gives her clients the upper hand in a difficult area of personal injury.” “I cannot praise her preparation enough; it is meticulous.”

Legal 500 2019

“A fighter in court.”

Chambers UK 2018

“A national leader for cases concerning fibromyalgia and other chronic pain conditions, in which she principally represents claimants. She also represents defendant clients in RTA claims.”

Legal 500, 2018

“Very knowledgeable on cases involving chronic pain.”

Chambers UK 2017

“The doyenne of chronic pain cases, she knows that subject inside-out.” “She’s very authoritative; she has a detailed grasp of the issues and articulates them well.” “She is thorough, analytical and generally very good.”

The Legal 500, 2017

“She is robust yet fair and quickly gets to the heart of the issue.”

Chambers UK 2016

“She has an extremely thorough and authoritative approach, whilst retaining a compassionate rapport with clients.”

“She is very strong technically, good on her feet in front of a judge and very good with clients. She has the right degree of gravitas and familiarity.”

  • Member of the Personal Injury Bar Association
  • Member of the Northern and North Eastern Circuits

  • “Soft Tissue Injuries and Their Consequences” -PI Brief Update Law Journal
  • “Pedestrians Beware”- PI Brief Update Law Journal
  • “Recognising chronic pain” – Solicitors Journal
  • “Loss of earnings in fibromyalgia claims”  – Fibromyalgia Magazine
  • “Fibromyalgia and the Legal System” –  Fibromyalgia Magazine

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