Image source, Getty ImagesImage caption, The Supreme Court made the final judgement on whether the case against Google can proceed

The UK's Supreme Court has rejected a claim that sought billions of pounds in damages from Google over alleged illegal tracking of millions of iPhones.

The judge said the claimant had failed to prove damage had been caused to individuals by the data collection.

But he did not rule out the possibility of future mass-action lawsuits if damages could be calculated.

The case will have implications for similar mass-action lawsuits.

In his judgement, Lord Leggatt said a key issue was that "the claim has been framed in order to try to bring it as a representative action" for many people.

"The claimant seeks damages… for each individual member of the represented class without attempting to show that any wrongful use was made by Google of personal data relating to that individual or that the individual suffered any material damage or distress as a result of a breach," it read.

"Without proof of these matters, a claim for damages cannot succeed."

But he added that the case had a "real chance of success" if pursued by the claimant as an individual, instead of as a mass action.

'Bitterly disappointed'Image source, Getty ImagesImage caption, Richard Lloyd was seeking compensation for millions of UK iPhone users

The Google case – brought by Richard Lloyd, former director of consumer rights group Which? – alleged that between 2011 and 2012, Google cookies collected data on health, race, ethnicity, sexuality and finance through Apple's Safari web browser, even when users had chosen a "do not track" privacy setting.

He sought compensation for 4.4 million affected users. While each individual iPhone owner would have received a small payout, the fine for Google could have run into billions.

Mr Lloyd said: "We are bitterly disappointed that the Supreme Court has failed to do enough to protect the public from Google and other big tech firms who break the law.

"Although the court once gain recognised that our action is the only practical way that millions of British people can get access to fair redress, they've slammed the door shut on this case by ruling that everyone affected must go to court individually".

He called on the government to step in to make it easier for groups of consumers to take action over data breaches.

Jim Killock, executive director of the Open Rights Group, agreed: "There must be a way for people to seek redress against massive data breaches."

Currently, the legal fees would mean that it would be "completely unreasonable" for individuals to take on the tech giants, he added.

Mass-action precedentImage source, Getty ImagesImage caption, Facebook users are being asked to take part in legal action against the company over their data use

The long-running case began in 2017, and had been through the High Court and the Court of Appeal before being escalated to the UK's Supreme Court.

If it had succeeded, it could have opened the floodgates to many more mass actions against tech firms for data breaches.

Such actions currently need people to opt-in, which can be a lengthy process.

The Lloyd v Google case attempted to set a precedent for opt-out cases, meaning one representative could bring action on behalf of millions.

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TikTok is facing a similar case, brought by former Children's Commissioner Anne Longfield, which alleges that the video-sharing app used children's data without informed consent. And Facebook is involved in a lawsuit alleging that users' data was improperly handled.

Emily Cox, head of media disputes at law firm Stewarts, told the BBC: "This decision ensures the floodgates remain firmly closed to data privacy class actions in England and Wales, much to the relief of big tech, but it also leaves consumers without a viable route to compensation for breaches of their privacy rights."

Nick McAleenan, a partner at JMW Solicitors, said that future cases would need to balance "the legal rights and interests of ordinary consumers, and those of the large organisations which process all of our personal data".

And techUK, the UK's trade association for technology firms, said that if the judgement had gone the other way, it would "have opened the door for speculative and vexatious claims to be made against data controllers".

"We believe it is right that any action must first seek to establish whether damage has been caused," it added.

Shopping loss

Google has lost a separate appeal over a €2.4bn fine imposed in 2017 for distorting competition among price comparison websites.

The General Court of Luxembourg dismissed Google's legal challenge, and upheld the fine.

Shivaun Raff, chief executive of Foundem, the lead complainant in that case, welcomed the judgement but added: "It does not undo the considerable consumer and anti-competitive harm caused by more than a decade of Google's insidious search manipulation practices."