Multiple Injury Claims Solicitors

Specialist advice for complex multiple injury claims

When multiple injuries have lasting consequences, specialist legal expertise matters. Our experienced solicitors understand multi-injury claims and have secured multi-million-pound settlements for clients with serious and long-term injuries.

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  • “Osbornes fields a specialist personal injury team with standout expertise in catastrophic trauma, regularly securing multimillion-pound settlements in spinal, brain, and amputation cases. “

  • “Osbornes has a well-regarded personal injury practice well equipped to advise on high-value and high-profile claims, including fatalities and severe brain and spinal cord injuries.”

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Polytrauma claims are valued differently from single-injury claims. The Judicial College Guidelines provide bands for each individual injury, but courts will rarely award the sum of those figures: where two or more injuries overlap in their effect on your daily life, ability to work, or need for care, the total award is typically discounted to reflect the combined rather than additive impact. Getting that valuation right takes specialist medical and legal input.

Our personal injury team acts for clients who have suffered serious accidents resulting in injuries across multiple body systems, often including a head or brain injury alongside orthopaedic, soft-tissue or internal injuries. The complexity of these cases means evidence has to be coordinated across several specialist disciplines, rehabilitation has to address competing demands, and the timing of settlement has to wait for the long-term picture to emerge.

What is a multiple injury (polytrauma) claim?

A polytrauma claim is one where a single accident has caused two or more significant injuries. Some of the patterns we most commonly see include:

  • Head injury or brain injury with concurrent orthopaedic fractures (typical of road and pedestrian accidents)
  • Spinal injury combined with internal injuries or multiple fractures (typical of high-impact crashes and falls from height)
  • Loss of sight, hearing or other sensory function alongside physical injuries
  • Significant physical injuries with secondary psychological injury (PTSD, depression, anxiety) caused by the same event

The reason polytrauma is treated as its own category is not just the number of injuries. It is the way injuries interact. A back injury that limits physiotherapy progress slows recovery from a knee injury. A brain injury that affects concentration may prevent compliance with a structured rehab plan for orthopaedic injuries. Compensation has to account for these knock-on effects, not just each injury in isolation.

How polytrauma claims are valued

The starting point is still the Judicial College Guidelines for each individual injury, but courts apply two further principles when valuing the claim as a whole:

The totality principle. Where injuries overlap in their consequences, the global award is reduced from the simple sum of the JCG bands. A 30% discount is common where two significant injuries materially overlap; deeper discounts apply where there is substantial overlap or where one injury dominates the long-term picture.

The dominant injury. Where one injury is significantly more serious than the others (for example, a brain injury that defines the long-term prognosis), the lesser injuries are absorbed into the overall assessment rather than added on top. The risk for the claimant is that lesser injuries get under-investigated when attention is focused on the dominant injury, and end up under-compensated.

Special damages, by contrast, are assessed cumulatively. Loss of earnings, care costs, rehabilitation, equipment and accommodation adaptations are calculated on the basis of the combined effect of all the injuries, not adjusted downwards.

Why you’ll see more than one medical specialist

Polytrauma claims usually require expert reports from several specialists working in parallel. A typical claim might involve:

  • An orthopaedic surgeon for fractures and joint injuries
  • A neurologist and a neuropsychologist for brain or head injuries
  • A psychiatrist or psychologist for PTSD and mood-related sequelae
  • A pain medicine consultant where chronic pain is a feature
  • A care expert and a rehabilitation case manager to project future needs

These specialists often need to comment on each other’s findings. A neuropsychologist will need orthopaedic input to understand which symptoms are mechanical and which are cognitive. A pain consultant’s view of medication tolerance affects what the orthopaedic surgeon can recommend. Coordinating that evidence so it tells a coherent story is one of the main jobs of a specialist polytrauma solicitor.

Why lesser injuries get missed

When one injury is catastrophic, clinical and legal attention naturally concentrates on it. Lesser injuries, particularly those that are slow to declare themselves (tinnitus, anosmia, mild cognitive impairment, soft-tissue back pain), can be under-recorded in the early medical notes and harder to evidence later.

We see this regularly. A client with a serious leg injury and a head injury describes only the leg pain in the first weeks because the head injury has affected their insight. A client with severe orthopaedic injuries and tinnitus does not mention the tinnitus until after the orthopaedic surgery is done, by which time the connection to the original accident is harder to prove.

Part of our approach is to ask about every body system, every time, from the first instruction onwards, and to ensure the medical records reflect the full picture.

Recent multiple injury settlements

£380,000 for a pedestrian with TBI, sight loss and orthopaedic injuries

Siobhan McIvor, Partner in the personal injury team, settled a polytrauma claim for a pedestrian struck by a scooter. The claimant suffered a traumatic brain injury with ongoing cognitive impairment, the complete loss of sight in one eye and several orthopaedic injuries: three distinct injury systems requiring three separate streams of medical and rehabilitation evidence. After the insurer made progressively higher buy-off offers from £50,000 to £230,000, the case settled at a Settlement Meeting for £380,000, with substantial interim payments and insurer-funded rehabilitation secured during the claim. Read the full case study.

£150,000 for a pedestrian with TBI, shoulder dislocation and a knee injury

Eloise Mears acted for a young professional struck on a pedestrian crossing by an unsupervised learner driver. He sustained a traumatic brain injury, a dislocated shoulder and a soft-tissue knee injury, requiring 11 days as an inpatient. The coordinated rehabilitation needs (cognitive therapy, orthopaedic recovery and a phased return to work) were managed through a single Rehabilitation Case Manager funded by the defendant insurer. The case settled for £150,000. Read the full case study.

Settlement and timing

Polytrauma claims should not be settled until the long-term medical picture is clear. Premature settlement is the single most common cause of under-compensation in this area: an offer that looks reasonable two years after the accident may prove inadequate once cognitive symptoms, chronic pain or delayed orthopaedic complications declare themselves.

Most polytrauma claims take three to five years to settle, sometimes longer. Where the claimant has immediate financial difficulty, we apply for interim payments to fund accommodation, equipment, rehabilitation and lost income while the claim continues. Where liability is clear, interim payments can be substantial.

Catastrophic and serious cases

Some polytrauma claims meet the threshold for catastrophic injury handling. This is a higher level of resourcing, including a dedicated catastrophic injury solicitor, immediate access to a rehabilitation case manager, and early engagement with the defendant insurer’s major loss team. Where a client has lifetime care needs or has lost the ability to work permanently, the claim is structured to provide for those costs over the remainder of life expectancy, often through a combination of lump sum and periodical payments.

If the injuries are severe but do not meet the catastrophic threshold, the claim is handled by our serious injury team, who specialise in this kind of complex multi-disciplinary case.

Frequently asked questions

Why don’t I just add up the JCG figures for each injury?

Because courts apply a discount when injuries overlap. The combined impact on your life is usually less than the sum of each injury considered alone, so the global award is reduced accordingly. Special damages (lost earnings, care, rehabilitation) are not discounted in the same way and are calculated on the cumulative effect of all the injuries.

How long does a multiple injury claim take?

Typically three to five years, longer in catastrophic cases. The driver is not the legal process but the medical one: settlement should wait until the long-term consequences of all the injuries are clear. Interim payments are available throughout to cover immediate financial needs.

What if a lesser injury was missed at the time?

We work with you and your treating clinicians to make sure the medical notes accurately record every injury and symptom. Where an injury was under-recorded at the time, we can usually reconstruct it from subsequent records, witness accounts and your own contemporaneous communications, though it is significantly easier when it is documented from the outset.

Will I need to see multiple medical experts?

Yes. In a typical polytrauma claim you can expect to attend appointments with several specialists over the life of the case, often including an orthopaedic surgeon, a neurologist, a neuropsychologist and a care expert. We organise the appointments and ensure each report is properly briefed.

Do you take multiple injury claims on a no win no fee basis?

Yes. We act for clients on a no win no fee basis in polytrauma cases of all sizes. We will explain the funding arrangements and any costs that may be deducted from a successful settlement before you commit.

★★★★★

Nicola Hall has been fantastic as my compensation claim progressed following multiple injuries sustained after I was hit by a van when on my bicycle. From the outset Nicola was supportive, understanding, accommodating and generous with her time when explaining the process and everything involved. She was reassuring and authoritative in the advice given, very clear in terms of what was required and any implications on my part, and fighting my corner with the defendant. I felt incredibly supported all the way through to securing a compensation settlement and, more importantly, the right outcome. End-to-end the process took around 4 and a half years, during which time I had multiple surgeries. Nicola was always interested in my progress and wellbeing throughout and I can’t recommend her, her colleague Heather or Osbornes enough. Thank you so much.”

Speak to us about a Multiple Injury Claim

For all new enquiries, please submit your details via the contact forms on our website. This will ensure your query reaches the right team and is handled promptly.






    • Rob Aylott is adept at handling sensitive and complex catastrophic injury claims.

      Chambers UK 2026

    • Sam Collard, head of cycling, specialises in severe injury and fatal accident cases.

      Legal 500 2026

    • Department head Sophie Davies handles severe injury and fatality matters with a focus on early rehabilitation.

      Legal 500 2026

    • Excellent firm with a good insight into and prosecution of catastrophic PI work handled by an experienced team.

      Legal 500 2026

    • Ben Posford heads the catastrophic injury team, covers a spectrum of spinal cord and brain injuries, as well as fatal accidents, spanning spinal cord and brain injuries, and fatalities incurred during traffic and workplace accidents.

      Legal 500 2025

    • Osbornes clients are individuals whose cases are treated with the focus required when dealing with life changing injuries.

      Legal 500 2025

    • Osbornes is a highly proficient serious injury firm. They bring all the benefits of the biggest firms in the market but none of the downsides.

      Legal 500 2025

    • Rob Aylott is adept at handling sensitive and complex catastrophic injury claims. He offers a particular specialism in amputation claims.

      Chambers UK 2023

    • "Rob Aylott is adept at handling sensitive and complex catastrophic injury claims. He offers a particular specialism in amputation claims."

      Chambers UK 2023

    • Ben Posford leads the catastrophic injury team and regularly represents claimants in neurological injury and fatal accident claims. He also has a niche specialism in claims involving cauda equina syndrome.

      Chambers UK 2023

    • Stuart Kightley regularly handles cases involving brain injuries, fatal accidents, cycling collisions and workplace accidents.

      Chambers UK 2023

    • "The team at Osbornes deals with catastrophic injury claims with the same professionalism as the largest firms, but provides a much more client-focused experience."

      Legal 500 2023

    • "This team has carved out an exceptional reputation in catastrophic injury work."

      Legal 500 2023

    • "Osbornes has impressed me with their personal touch for clients whilst offering a first-class handling of catastrophic injury claims. The partners all have vast experience and are highly respected in their field."

      Legal 500 2023

    • "Ben Posford is a pre-eminent solicitor in the field of very high-value catastrophic injury claims."

      Legal 500 2023

    • "Ben Posford is a great tactician, a great negotiator and generally, the man you want on your side when dealing with serious personal injury work."

      Legal 500 2023

    • "Ben Posford is a top-class litigator. He knows everything there is to know about catastrophic injury and major disaster litigation."

      Legal 500 2023

    • "Osbornes have managed to recruit a team of outstanding catastrophic injury lawyers who are at the top of the game."

      Legal 500 2023

    • "Ben Posford has his finger on the pulse as one of the leading catastrophic injury lawyers in the country, dealing with some of the highest profile cases."

      Legal 500 2023

    • A niche firm that punches well above its weight in the catastrophic injury sector, borne out by the quality of work they obtain.

      Legal 500 2022

    • Ben Posford is one of London’s best catastrophic injury lawyers, in my view. He is a real brain injury specialist.

      Legal 500 2022

    • "Ben Posford is a hugely experienced solicitor who approaches his cases with confidence and realism."

    • "A superb boutique catastrophic injury firm."

      Legal 500 2021

    • "Really good at dealing with people who have suffered a serious injury."

      Chambers UK 2021

    • "Affable and charming with very good client-handling skills."

      Chambers UK 2021

    • "Rob Aylott is a top-class litigator who has an unrivalled knowledge of catastrophic personal injury. A ferocious eye for detail means that quantum claims are always maximised and every angle analysed in liability cases."

      Legal 500 2020

    • Beneath Ben Posford’s calm and reassuring presence, which clients love, lies a formidable tactical and legal brain. His experience tells and he gets it right at every stage of the process from arranging the best possible rehabilitation, to ensuring, so far as possible, a polite relationship with those acting for the defendant in order to ensure best and early resolution of the claim.

      Legal 500

    • "They have an expanding profile in personal injury and clinical negligence and offer a superb, broad service in accidents abroad, enabled by their recruitment of bilingual legal executives who can guide non-English speakers through complex litigation."

      Chambers & Partners Directory 2020, Personal Injury

    • "Solid personal injury practice well equipped to advise on high-value and high-profile claims arising from fatalities and severe head and spinal injuries."

      Chambers UK

    • "Offers specialist expertise in cauda equina syndrome cases."

      Chambers UK

    • "An exceptional outfit. They take on difficult cases, fight hard and win."

      Chambers UK

    • "Stuart Kightley is an incredibly empathetic solicitor who is very knowledgeable about traumatic brain injury."

      Chambers UK

    • "Osbornes has a growing influence and impressive work load and is gaining a reputation for handling complex catastrophic work."

      The Legal 500

    • "Osbornes often handles claims valued at over £1m, particularly relating to severe brain and spinal cord injuries and niche areas such as cauda equina syndrome and cycling accidents."

      The Legal 500

    • "Catastrophic injury cases head Ben Posford is an excellent practical litigator who offers exceptional service."

      The Legal 500

    • As a real specialist in spinal cord injuries, Ben Posford is always looking at new angles on how to maximise his cases.

      Chambers UK

    • Ben Posford is one of the best catastrophic injury lawyers around.

      Chambers UK

    • Ben Posford is 'exceptional and a real expert in the field of catastrophic injury'.

      Legal 500

    • Stuart Kightley is praised for his expertise in catastrophic and fatal claims. Clients say he is very impressive, in terms of both his experience and his management of the personal injury team.

      Chambers UK

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    Personal Injury Accreditations

    • The Times best Law Firms 2026
    • The Law Society Personal Injury Accreditation
    • Leading firm - Legal 500 2026
    • chambers UK 2026 - firm logo