• Accredited Mediator

  • Action Against Medical Accidents (AVMA)
  • Association of Personal Injury Lawyers (APIL)
  • Personal Injury Bar Association (PIBA)
  • Middle Temple

Instructing Conor Dufficy

For more information please contact our clerks by calling +44 (0)20 7242 3555.

Conor Dufficy has a broad civil law practice and advises and acts in court for both claimants and defendants on a broad range of clinical negligence, personal injury, product liability and commercial matters.

He has been instructed in complex multi-jurisdictional and group actions. He has considerable experience in advising regarding fraudulent claims. He has contributed to relevant publications, in addition to providing seminars for solicitors and other organisations. He has sat on internet and sports bodies’ regulatory panels. He has appeared as an advocate before sports regulatory panels as well.

Conor is qualified as an Accredited Mediator and has mediated many commercial, personal injury, probate and other disputes.

Conor had a 16-year career in finance before qualifying as a barrister and was European Head of Foreign Exchange and Global Head of Currency Derivatives at Bank of America. He obtained his law degree in Trinity College Dublin, a PGDL in City University and the BVC (as it then was) in ICSL.

His interests include the works of Shakespeare, astrophysics, travel, reading, golf, rugby, football, tennis and flying light aircraft.

Conor is qualified to accept instructions directly from clients and is registered under the Bar Council’s Public Access Scheme, meaning that members of the public who seek specialist advice can come direct to him. In addition, he welcomes instructions from solicitors, in-house law departments, qualified foreign lawyers, and clients licensed by the Bar Council to give instructions direct to barristers under the Bar Council’s Licensed Access Scheme.  For more information please visit our Direct Access page here.

Legal Expertise

Clinical Negligence

Conor acts for claimants and defendants in clinical negligence claims advising, drafting pleadings and in court.

He has advised in all areas of clinical negligence including cerebral palsy, serious birth injury, serious brain injury, fatalities, obstetric negligence, oncology, negligent orthopaedic surgery, dentistry, ophthalmology, otology, administration of medication/pharmaceuticals, failed terminations, fatalities, negligent breast and cosmetic surgery, and failure to diagnose and consent, including in custodial settings.

He has extensive experience in defective prosthesis litigation and related surgical issues including robotic surgery. Conor has a broad Inquests practice in clinical negligence, road traffic, accidents at work, alleged suicide and unlawful death cases.


  • Conor was the author for the Lexis Nexis online guide to litigation in clinical negligence and product liability.
  • Conor was published in PI Focus [2019] in an article co-authored with a partner at an instructing firm regarding robotics in clinical negligence and product liability claims.

Notable Clinical Negligence cases

S v G [2019]

Involving post-natal infection resulting in serious functional and cognitive impairment. Conor is representing the Defendant.

B v B [2019]

Medical negligence arising from defective hip prosthesis and failure to recall, allegations of dishonesty.

D v MK [2019]

Blindness caused by clinical negligence in an elderly patient.

G v H [2018]

Concerned hypoxic brain injury at birth which settled just before trial for a sum, if capitalised, in the tens of millions.

B v H [2018]

Suicide arising in circumstances of allegations of inappropriate care form the mental health authorities (leading for large settlement for surviving family).

F v G [2018]

Maternal birth injury case involving losses arising from a growing business that failed to expand after the injury. Settled at mediation £1 million.

S (A child) v Mid Yorks Hospitals NHSFT & H (A child) v Birmingham Hospitals NHSFT [2016]

Both cases concerning hypoxic brain injury at birth.

R v Robinson [2016]

Medical negligence in a custodial setting causing blindness and life-long care requirements.

D v Ghosh [2016]

Involving wrongful birth.

C v Wrightington [2015]

Catastrophic injury case.

C v D [2015]

About photographic images taken in a medical setting without consent.

Personal Injury

Conor has been instructed in many areas of personal injury: employers’ liability, military injuries, road traffic accidents; Highways Acts claims and occupiers’ liability. He has advised extensively on claims with international aspects and in particular in matters dealing with jurisdiction and applicable law. He regularly advises upon and drafts complicated personal injury schedules of loss.

He advises on liability and quantum in many areas of personal injury including but not limited to, orthopaedic injuries, sensory loss, loss of limb, paresis, loss of mobility, brain damage, low velocity impact injuries and psychiatric damage.

Conor has acted for defendants in fraud related personal inury matters, historical sex abuse allegations against individuals, educational and care institutions, private organisations and charitable/religious bodies. Conor has also advised extensively in cases involving the standard of social care and educational negligence and deliberate injury. He has advised extensively on quantum, vicarious liability and limitation.

Conor has direct access rights and is happy to be instructed on a CFA basis.

Notable Personal Injury cases

C v P [2018]

Boating accident in a foreign country. Settled before trial.

B v C [2016]

Individual sued for historic sex abuse. Matter settled with the private client paying no damages.

S&C v Lincs Probation [2016]

Concerning physical assaults by a prisoner on prison staff. Settled just before trial.

Dunnett v Devon CC

A convicted murderer sought compensation for historic abuse. Conor was instructed for the Defence. The claim was dismissed at trial.

Rzezniczak v BVLA

A claim for personal injury of nearly £1 million arising from an RTA which settled.

Bics v Nahome RTA Accident

Cyclist serious brain injuries. Conor represented the defendant. Case dismissed at trial.

Product Liability

Conor has acted for over 200 claimants in cross-border hip prosthesis claims. He appeared as junior to Hugh Preston QC in Allen v Depuy International Limited in a preliminary trial concerning applicable law under Rome II and PILA. The case also considered the territorial application of the Product Liability Directive and the Consumer Protection Act. He has also advised on other products sold and used across national frontiers. He has particular experience in hip-prostheses, cosmetic implants and pharmaceuticals office equipment and white goods.

He has acted for claimants with Depuy ASR, Corin Cormet, Wright Conserve, Smith & Nephew Mitch and Biomet prostheses in court. He was part of the team that settled the Corin Litigation within weeks of trial.

Conor has presented regularly on the law and provided in-house training for solicitors in this area.


  • Conor was the author for the Lexis Nexis online guide to litigation in clinical negligence and product liability.
  • Conor was published in PI Focus [2019] in an article co-authored with a partner at an instructing firm regarding robotics in clinical negligence and product liability claims.

Notable Product Liability cases

Frank Amor & Others v Corin UK Ltd

Multi Group action litigation in defective prostheses. The Corin Litigation was scheduled for trial for 18 weeks in October 2017 as part of the ‘test case’ GLOs in the hip prostheses litigation.

Allen & Others v DePuy International Ltd [2015] EWHC 926 (QB)

International litigation concerning hip prostheses, preliminary issue on the meaning of NZ Law.

Allen & Others v DePuy International Ltd [2014] EWHC 753 (QB)

Preliminary trial regarding applicable law under PILA and Rome II and the geographical extent of the Product Liability Directive and the CPA 1987.

Bailey & Others v GlaxoSmithKline

The case involved detailed reviews of many years of chemical clinical trials and practice and in-depth statistical analysis.


Conor has advised and appeared in Court on a number of commercial cases involving contract disputes and complicated trust and company matters. Specifically, he has advised on the sale of goods, title, unfair contract terms, forced selling, agency, misrepresentation, the interpretation of Articles of Association and the allocation of profits under IFRS. Conor has an extensive background in Banking and Finance. He has advised on a number of insurance related matters, including withdrawal of indemnities, general obligations under policies and fraud.

Conor has mediated a number of commercial disputes.

Conor has extensive experience working in offshore jurisdictions in civil matters. He has advised extensively on trusts, company, fraud and commercial and regulatory matters. Cases have included disputes over the allocation of trading profits, allegations of fraud, declarations of dividends, application and interpretation of articles of association, the applicability and interpretation of IFRS, costs, tracing and negligent administration of funds and trusts structures. He has advised in losses from market trading in bonds and foreign exchange.

Notable Commercial cases

Trilogy Management Limited v YT & Others [2012] JRC093

A dispute over the dividends declared by an investment company to its shareholder, a charitable foundation after a change in accountancy policies.

UCC v Bender

Involved allegations of civil fraud in a hedge fund setting, with a complex structure and complicated off-shore commercial issues.

A case concerning the hostile removal of a partner from a successful IT enterprise.

A claim for economic damages arising from works associated with compulsory purchase by TFL.

A claim for monies outstanding on a complex series of hotel management contracts.

Advised on the implications of money laundering legislation for a major commercial enterprise.

Sports Law

Conor has a keen interest in particular aspects of sports law including personal injury and commercial contracts. He has advised on the money laundering aspects of commercial matters in sport. He has an extensive practice in commercial and personal injury law. He has a broad background in business and was a criminal barrister for the first 4 years of his practice. He has a broad interest in sport with an emphasis on football and Rugby Union. He is an Accredited Mediator and has acted as an appeals chairman with the English Netball Disciplinary Process.

Notable Sports Law cases

British Horseracing Authority v McConville [2018]

The first case involving allegations of cobalt doping in horseracing in the UK. Conor represented the respondents.

Court of Protection

Conor has a keen interest in the Court of Protection, having developed an extensive practice in personal injury and clinical negligence and has represented many protected clients, particularly those suffering from acquired brain injury. His practice covers the most serious injuries.  He regularly advises a range of Local Authorities and is well used to representing them at a variety of hearings, but equally accepts instructions on behalf of protected parties and family members.

  • Accredited Mediator

  • Action Against Medical Accidents (AVMA)
  • Association of Personal Injury Lawyers (APIL)
  • Personal Injury Bar Association (PIBA)
  • Middle Temple

Instructing Conor Dufficy

For more information please contact our clerks by calling +44 (0)20 7242 3555.

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Frequently asked questions

Yes, please call Chambers mainline number +44 (0)20 7242 3555 and you will be directed to the out of hours phone lines.

As a direct access client, please visit our direct access page and complete the initial form, a member of the clerking team will then be in touch to discuss the next steps.

Choosing the right barrister for your case can be difficult, with so many to choose from. Our clerks will be happy to guide you with your choice. Their wealth of knowledge and experience will help you decide the right barrister not just for the case but someone who will work with you.

Some barristers have the ability to “conduct litigation” for direct access clients. Our clerks will be able to assist you as to which of our members are trained and accredited to do so.

Please visit our direct access page for the initial steps on instructing a barrister, or contact our clerks on +44 (0)20 7242 3555.


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