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Potentially—but AI involvement alone does not make a company liable. The answer depends on where the harm occurred, what the AI system did, the company’s role, the applicable law and the evidence connecting the harm to a legally actionable defect or conduct. EU law expressly includes software and AI systems in its revised product-liability framework; this article does not establish the rules for a particular U.S. state or other jurisdiction.

What must you show to bring a claim?

A lawsuit needs a legal basis that fits the facts and the jurisdiction. It is not enough to show that an AI system was involved in a bad outcome. A claimant generally needs to identify legally recognized harm, a company that may be responsible under the applicable law, and evidence connecting that company’s product or conduct to the harm.

The test differs by jurisdiction and claim type. The clearest framework covered here is the European Union’s revised product-liability regime. The available U.S. material is much narrower and does not establish the elements, defenses or deadlines for a private damages claim.

How does the EU product-liability framework treat AI?

In a 9 December 2024 announcement, the European Commission’s Directorate-General for Communication said: “The new rules explicitly cover products like software, AI systems or product-related digital services.” That means AI software can fall within the updated framework; it does not mean every harmful AI outcome is a defect or that a provider automatically owes compensation.

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Proof in a defective-product claim

The Commission’s Your Europe product-liability guidance describes three things an injured person must establish: damage, a defective product and a link between the defect and the damage. The Commission’s overview of healthcare and AI likewise describes software, including AI systems, as a product for no-fault product liability under the revised framework, and says software developers or producers—including AI system providers—should be treated as manufacturers.

“No-fault” does not remove the need to prove the required elements. In particular, an AI system’s harmful output does not by itself establish that the system was defective. The Commission says defect assessment may take account of relevant circumstances, including whether a product can continue learning or gain features after it is placed on the market. That is a factor in assessment, not a presumption of defect.

Who might be a relevant company?

Depending on the product chain and the facts, investigation may need to consider an AI developer or provider, a manufacturer that incorporated AI into a product, an importer, a seller, a deployer or another economic operator. The EU Commission describes claims against responsible businesses in the product chain, but the appropriate defendant in a particular case depends on the applicable law and evidence. An AI provider is not automatically liable simply because its system was used.

Timing and transition rules matter

Your Europe’s general guidance describes a three-year period from awareness of the damage, defect and producer identity, and a ten-year long-stop period after the product was placed on the market, subject to qualifications. These are not a substitute for checking the applicable national law, the relevant dates and the rules governing the particular product and claim. The Commission’s announcement that revised rules entered into force does not, on its own, establish which rules apply to a specific incident.

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Is a product-defect claim the only possible route?

No. The key distinction is whether the alleged harm is tied to a defective product or to a company’s separate act or omission. A claim based on conduct or a service may involve a different legal test from product liability. That test depends on the jurisdiction; the sources discussed here do not establish a general rule for such claims.

Question Product-defect route in the EU framework Separate conduct or service claim
What is the focus? Whether a product—including software or an AI system covered by the revised framework—was defective and caused damage. Whether a company’s separate act or omission meets the applicable jurisdiction’s legal test; that test is not established here.
What must be connected? Damage, defect and a link between them, as summarized in European Commission guidance. The company’s conduct, the legally recognized harm and the required connection under the governing law; the specific elements vary and are not stated here.
Which company could be relevant? Potentially a responsible business in the product chain, depending on its role and the facts. The company whose conduct is legally relevant under the applicable law; the potential defendant depends on the facts.

Does the EU AI Act itself provide compensation?

The AI Act and a damages lawsuit do different jobs. The AI Act sets regulatory duties for providers and deployers in covered use cases and provides for public enforcement, including by the Commission’s AI Office and designated national authorities. A regulatory breach may matter to the factual context, but the official material covered here does not say that every breach automatically gives an individual a compensation award or proves a private damages claim.

The proposed AI Liability Directive should not be treated as current law. EUR-Lex records that the European Commission withdrew the proposal on 6 October 2025. Its contemplated rules are not a substitute for the operative product-liability framework or for the law applicable to a particular claim.

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What can be said about suing in the United States?

The sources covered here do not establish the elements or deadlines for a U.S. private lawsuit over AI-related harm. Those questions can depend on the state, the type of harm, the company’s role and the facts; a reliable answer requires jurisdiction-specific statutes and court decisions. EU product-liability rules should not be applied to a U.S. incident as if they were U.S. law.

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One narrow federal example is 16 CFR §1115.6. It requires a manufacturer, distributor or retailer to notify the Consumer Product Safety Commission when it receives information reasonably supporting the conclusion that a consumer product creates an unreasonable risk of serious injury or death. The regulation says a firm should not wait for an actual serious injury or death if the information already supports the reporting threshold. This is a reporting duty to a regulator, not a rule establishing an individual’s private right to sue or proving liability.

What should you do if an AI-related decision or product caused harm?

  1. Identify the harm and the system involved. Write down what happened, when it happened, what product or service was involved and how AI appears to have contributed. Separate what you know from what you suspect.
  2. Preserve relevant records. Keep product details, account records, notices or decision explanations, communications, transaction records and incident documentation. Avoid altering or deleting material that may help establish what happened.
  3. Identify the companies and their roles. Record the names of the provider, product maker, seller or service operator where known. Their roles can affect which legal route and potential defendant are relevant.
  4. Get advice for the right jurisdiction promptly. A lawyer familiar with the law where the harm occurred can assess available claims, applicable deadlines, transition rules and what evidence is needed. Do not rely on the general EU periods above as a deadline for your individual case.

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