More than 44,000 people have formally asked NHS England not to let its Palantir-powered Federated Data Platform hold or use their health data. Their concerns are about privacy, trust and the record of the company that supplies the technology.
Key takeaways
- The Guardian reports that more than 44,000 people have lodged legal objections to their health data being handled by NHS England’s Federated Data Platform.
- The Federated Data Platform is a national NHS data system that runs on software from the US technology company Palantir, including its AI tools.
- The objections ask NHS England to stop the platform from sharing, storing or using the personal health information of the people who filed them.
- According to the Guardian, the campaign comes as Palantir faces criticism over its work with the Israeli military and with US immigration enforcement.
- It is not yet publicly known how NHS England will respond to the objections or how many of them it will uphold.
What is happening with the NHS data objections?
The Guardian reports that tens of thousands of people have used formal legal routes to ask NHS England to keep their personal information out of the Federated Data Platform (FDP). The total is more than 44,000. Each objection asks that the person’s health data is not shared with, stored in or used by the platform.
The FDP is a national system. It is built on technology from Palantir, a US company that sells data integration and analytics software, including AI tools. The objections do not challenge the NHS’s ability to treat patients. They are about whether one particular data infrastructure, run with one particular supplier’s technology, should be allowed to process an individual’s records.
The source summary does not say who organised the campaign, what wording the objections used, or which specific legal provisions people relied on. Those details are not covered here for that reason.
Why is this in the news now?
There are two reasons. The first is the number. More than 44,000 formal objections is a large, coordinated response to a single NHS data programme, and it gives NHS England a concrete administrative and legal question to deal with.
The second is the context. The Guardian links the campaign to a wider backlash against Palantir over its work with the Israeli military and its role in the US government’s immigration enforcement crackdown. For many objectors, the issue is less a technical complaint about the platform and more a question of whether a company with those clients should be part of the infrastructure behind the national health service.
What background does a newcomer need?
The NHS in England generates very large amounts of data: hospital admissions, waiting lists, operating theatre schedules, prescriptions and much more. This information has historically been held in many separate systems across individual trusts and regions, which makes it hard to coordinate care or plan services at scale.
The Federated Data Platform was designed to address this. “Federated” usually means that data stays under the control of local organisations, such as hospital trusts, while common software lets them analyse it and, where permitted, connect it with other datasets. NHS England has presented the platform as a tool for operational problems such as reducing waiting lists, managing hospital capacity and planning services.
Palantir is a US company best known for software used by governments, defence and intelligence agencies, and large corporations to combine and analyse complex datasets. Its involvement in public services has been controversial in several countries, and that controversy follows it into the NHS.
UK data protection law gives individuals rights over their personal information. These include, in some circumstances, the right to object to how it is processed. The NHS also runs its own opt-out schemes for certain uses of health data. How these mechanisms apply to the FDP, and whether an objection can actually remove a person’s records from the platform, depends on legal and technical details that the source summary does not set out.
Who is affected, and how?
The people most directly affected are the more than 44,000 objectors. They are waiting to learn whether their data will be excluded and, if so, how far that exclusion will go.
NHS England is affected because it has to process and respond to a large number of formal objections. Doing so has an administrative cost. Depending on the outcome, it could also limit the data available to the platform.
NHS trusts and staff who use the FDP could be affected if significant numbers of records are excluded. Data systems that support planning and coordination generally work best when the data is complete, so gaps may matter for some uses.
Palantir is affected in terms of reputation. A public campaign of this size makes it a more prominent subject in British debate about technology suppliers to the public sector.
The wider public is affected indirectly. Trust in how the NHS handles personal data shapes people’s willingness to share information, take part in research and engage with digital health services.
Where do informed people disagree?
The debate has several distinct strands.
Supplier suitability. Critics argue that a company working with military and immigration enforcement agencies should not have a central role in health infrastructure, whatever the technical safeguards. Supporters of the arrangement tend to argue that the question should be whether the software works and whether the data is protected, not who the supplier’s other clients are.
Data control. One side holds that a federated design, contractual controls and NHS ownership of the data limit what any supplier can do with it. Sceptics reply that dependence on a single vendor’s technology creates risks of its own, including lock-in and reduced public oversight over time.
Individual rights versus collective benefit. Privacy advocates say people should be able to keep their records out of systems they do not trust. Others warn that widespread opting out could weaken the data the NHS relies on to plan services, and that patients as a whole could bear that cost.
Transparency. There is broad agreement that public trust depends on clear information about what the platform does, which data it uses and under what rules. People disagree on whether the information published so far is enough.
What are the practical implications?
For someone thinking about objecting, the central point is that the effect of an objection is not yet clear from public reporting. It is not known whether NHS England will treat the objections as valid under data protection law, how quickly it will respond, or whether a successful objection would remove records from the platform entirely or only restrict certain uses.
People who object to how the NHS uses their data generally have several routes. These include formal requests under data protection law and the NHS’s own opt-out schemes. The routes do not all cover the same uses of data. Anyone considering action should check current guidance from NHS England and the Information Commissioner’s Office rather than assume that one mechanism covers everything.
For the NHS, the episode shows that large technology programmes depend on public consent as well as procurement and engineering. A high volume of objections can affect how a system is governed, explained and possibly redesigned.
For the technology sector, it is an example of a supplier’s reputation in one area, such as defence or immigration, affecting its standing in a completely different one.
What should readers watch next?
Several developments will show where this goes. The first is NHS England’s formal response: whether it accepts the objections, on what legal basis, and what happens to the data of those who objected. The second is any involvement by the Information Commissioner’s Office, the UK data protection regulator, if objectors challenge how their requests are handled.
Political reaction is also worth following, including whether ministers or MPs call for changes to the platform’s governance or contracts. Finally, readers may want to watch whether the number of objections keeps rising and whether similar campaigns appear against other public-sector contracts involving the same company.
Frequently asked questions
What is the NHS Federated Data Platform?
The Federated Data Platform is a national NHS England data system that uses software from the US company Palantir, including its AI technology. It is designed to help NHS organisations bring together and analyse operational data, such as information on hospital capacity and waiting lists, while local organisations keep control of their own records. It is intended to support planning and coordination of care across the health service.
How many people have objected to the Palantir NHS platform?
The Guardian reports that more than 44,000 people have filed formal legal objections. They ask NHS England to stop the Federated Data Platform from sharing, storing or using their personal health data. The objections are a coordinated campaign, although the source summary does not say who organised it or set out the exact legal basis each objection relies on.
Why are people objecting to Palantir handling NHS data?
According to the Guardian, the campaign is part of a wider backlash against Palantir over its work with the Israeli military and its role in US immigration enforcement. Many objectors appear concerned about the company’s other activities as well as about privacy. Some also raise more general worries about a single private supplier having a central role in national health data infrastructure.
Can I stop my NHS data going into the Federated Data Platform?
People in England have rights under data protection law to object to some types of processing, and the NHS runs its own opt-out schemes. It is not yet publicly clear how NHS England will treat objections relating specifically to the Federated Data Platform. Anyone interested should check current guidance from NHS England and the Information Commissioner’s Office before acting.
Does Palantir own NHS patient data?
The platform is described as federated, which generally means that NHS organisations keep control of their data while using shared software to analyse it. Palantir supplies the technology on which the platform runs. The detailed contractual terms that govern data access and use are not covered by the source summary, so specific claims about ownership should be checked against official NHS documentation.
What happens next with the NHS data objections?
NHS England is expected to have to respond to the objections, but the timing and outcome are not yet known. Things to watch include whether the objections are upheld, whether the data protection regulator becomes involved, whether there is political pressure over the contract, and whether more people join the campaign as public debate about the platform continues.
Sources and further reading
- The Guardian: original reporting on the number of legal objections to the Federated Data Platform and the context of the campaign.
- NHS England: official information on the purpose, governance and data use of the Federated Data Platform.
- Information Commissioner’s Office: guidance on the right to object and other individual rights under UK data protection law.
- NHS Digital services guidance: information on the NHS opt-out schemes for uses of health data beyond individual care.
Surfaced from the rss:guardian_tech signal “NHS data platform objections”. AI-assisted draft, editorially reviewed.

