Louis Weston

Year of Call: 1994
Email Address: louis.weston@3pb.co.uk
Telephone: 01962 868 884

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Clinical Negligence

Louis has a strong practice based upon his hard work, preparation and powerful, robust advocacy and clear advice with particular expertise and experience in Clinical Negligence and appears in healthcare tribunals and inquisitorial proceedings.

His Clinical Negligence practice spans Doctors, Veterinary Surgeons and Healthcare Professionals.


Louis has advised and is currently instructed in a range of clinical negligence cases including delayed and other failures of diagnosis, misdiagnosis of cancers, failure to diagnose and treat cancer and MRSA.

Defective implants and medicines

He has a history of product liability cases from his commercial work and is currently instructed in a number of cases of PIP implant cases.  He has advised in cases involving prosthetics and misrepresentation of efficacy of medicines and vaccines.

Clinical incompetence including failed cosmetic surgery

He has advised in failed cosmetic surgery and other cosmetic procedures involving failed techniques as well as defective products and defective procedures both in respect of clinical and commercial claims.

Failures of consent

He has acted in cases involving negligent failure to obtain informed consent and content to surgery and other intervention.

Negligent Veterinary Treatment

He has acted in commercial litigation arising from negligent veterinary products and negligent veterinary treatment as well as in negligent vetting and treatment of Racehorses.

He has lectured to solicitors and practitioners on clinical negligence and related topics.


He has experience in advising and acting in cases of wound management and sepsis arising from surgical procedures and poor in patient care.


  • 2nd Sep 2016

    The latest decision of the Court of Appeal to consider the Mitchell principles for granting relief from sanctions, has endorsed their strictness: Oak Cash & Carry Ltd v British Gas Trading Ltd [2016] EWCA Civ 153. The guidance relates to the operation of those principles in the context of Unless Orders - by Louis Weston

    View Publication


Typically engages in clinical negligence claims that include failures to diagnose and treat injuries and illnesses, as well as resulting fatalities. His practice spans not only doctors and other healthcare professionals, but also veterinary surgeons.
"He is extremely good with clients and puts them at their ease. Good in court and good with paperwork, figures and schedules, and provides sensible, pragmatic advice."

Chambers UK 2019/Clinical Negligence - Band 3

A leading junior for regulatory and disciplinary disputes within horse and greyhound racing. He is widely recognised for his expertise in corruption, match fixing and doping matters. He acts for and against regulators.
"The best in the country for corruption cases." "He particularly shines out in sports regulatory work." "Good for parachuting in on big cases."
Recent work: Instructed by BHA to prosecute a jockey and a trainer for race fixing. The case resulted in a substantial ban for the jockey, although the trainer was acquitted.

Chambers UK 2019/Sport - Band 1

'Has considerable experience in surgical negligence cases, particularly concerning consent issues. He also represents claimants in brain injury and failure to diagnose cases.'
Strengths: "I really like the proactive way he deals with matters; he's good with clients and good in court."

Chambers UK 2018/Clinical Negligence - Band 3

Strengths: "He is completely on top of the law that applies to sporting tribunals. He has a very good manner, is very easy to work with and very clear in his advice." "He has the strongest experience of match-fixing matters in the UK." "He is a very good and charming advocate; very natural on his feet."

Chambers UK 2018/Sport - Band 1

'A highly experienced barrister practising across the London Bar and Western Circuit. He handles a range of clinical negligence claims including those relating to delayed diagnoses and cosmetic surgery. He also acts in cases concerning negligent veterinary treatment and veterinary products.'

Chambers UK 2017/Clinical Negligence - Band 2

'Manages a blossoming sports practice and has key knowledge of match-fixing cases. He receives instructions relating to snooker, motor racing and horse racing.
Strengths: "An excellent barrister in all respects. He is extremely bright and has a keen analytical mind." "He has a great sense of humour in front of panels, but he still takes the work seriously."'

Chambers UK 2017/Sport - Band 1

'Well regarded by his peers as an analytical lawyer with a powerful court presence. He splits his practice between the London Bar and Western Circuit, and has experience in the complementary area of product liability including involvement in the recent PIP breast implant scandal. His expertise includes handling litigation related to veterinary negligence and defective veterinary products.
Strengths: "A larger than life character who is really impressive. He has the ability to digest years of litigation and filings into his brain very quickly." "A good overall barrister who is good on his feet."'

Chambers UK 2016/Clinical Negligence - Band 2

'Has a fantastic reputation for his strong regulatory and disciplinary work before the British Horseracing Authority and the Greyhound Board of Great Britain. He also undertakes doping and corruption cases across the world of sport.
Strengths: "He is extremely bright with a keen analytical mind. He is able to quickly identify the key issues in any dispute and communicate them in a clear manner."'

Chambers UK 2016/Sport - Band 2

'...has represented governing bodies from horse racing and greyhound racing in connection with corruption and disciplinary matters. He has also acted on corruption and doping matters in athletics, snooker, football and rugby.
Expertise: "He's a natural advocate; very skilful and unflappable." "Advice from Louis Weston is like receiving advice from Zeus - you know it's right and if it's not then a fork of lightning will come down and make it right."'

Chambers UK 2015/Sports Law

'Has established an interesting niche in veterinary surgery cases alongside his general clinical negligence caseload. He is chiefly noted in this area for his work on behalf of doctors, surgeons and other individual healthcare professionals.
Expertise: "He is extremely able and extremely effective in everything that he does - he never disappoints."'

Chambers UK 2015/Clinical negligence – Band 2

'A highly regarded junior, whose sports practice primarily centres on disputes in horse racing and greyhound racing. He is regularly instructed by the British Horseracing Authority on corruption, race fixing and riding offences.
Expertise: “He is incredibly bright and great to work with, and can turn his hand to anything.”'

Chambers UK 2014/Sports Law

'...represents a wide range of clients, including doctors, veterinary surgeons and other healthcare workers. He is noted for his skill with misdiagnosis cases.
Expertise: “He is extremely down to earth and builds a good rapport with his clients.” “He has a medical background and is extraordinarily helpful. He is exactly the sort of counsel you want.”'

Chambers UK 2014/Clinical Negligence

'Very good with witnesses.'

Legal 500 2018/19/Sport – Leading juniors

'He has a good brain with excellent technical knowledge.'

Legal 500 2017/Regulatory, health and safety, and licensing – Leading juniors

‘A strong intellect.’

Legal 500 2017/Personal injury and clinical negligence – Leading juniors

‘A dexterous advocate.’

Legal 500 2017/Sport - Leading Juniors

He is very approachable and has an excellent manner with clients, who are easily put at ease.’ -

Legal 500 2016/Regulatory, health and safety, and licensing – Leading juniors and also Personal injury and clinical negligence – Leading juniors

'He has a quirky way about him that clients like.'

Legal 500 2016/Sport – Leading juniors

'A popular choice in sports-related disputes.'

Legal 500 2016/Professional discipline and regulatory law (including police law) - Leading juniors

'He has expertise in health and safety, professional discipline and trading standards

Legal 500 2015/Regulatory, health and safety, and licensing – Leading juniors

'He is outstanding and has a very good understanding of the sports market.'

Legal 500 2015/Sport – Leading juniors

'A popular choice in sports-related disputes.'

Legal 500 2015/Professional discipline and regulatory law (including police law) - Leading juniors

'Quickly masters his brief. He is respected by all sides and a pleasure to work with.'

Legal 500 2014

‘quick-witted, experienced advocate and horseracing expert'

Legal 500 Directory 2013/14/Media, Entertainment and Sport and also Professional discipline and regulatory law (including police law) - Leading Junior.

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Academic qualifications

  • Bristol University (Philosophy BA, First, Miller Barstow Prize).

Professional qualifications & appointments

  • Recorder

Professional bodies

  • British Association for Sport and Law (BASL)
  • Member of ARDL

Direct Access

Louis Weston is qualified to accept instructions directly from members of the public and professional clients under the Direct Public Access scheme.

More Information