Canadian fiddler Ashley MacIsaac has filed a defamation lawsuit against Google, alleging that the company’s artificial intelligence system falsely labelled him a convicted sex offender, causing serious damage to his reputation and career.
The lawsuit was filed in Ontario’s Superior Court of Justice and seeks approximately 1.5 million Canadian dollars in damages. At the centre of the case is Google’s “AI Overview” feature, which generates automated summaries in response to search queries.
According to the statement of claim, the tool produced a response that incorrectly alleged MacIsaac had been convicted of sexual offences, including assault and child luring, and that he appeared on Canada’s national sex offender registry.
Court filings emphasise that none of these claims is true. The lawsuit argues that Google “knew, or ought to have known, that the AI overview was imperfect and could return information that was untrue,” and therefore should be held accountable for publishing the false statements.
MacIsaac contends the consequences were immediate and tangible. A scheduled performance in Nova Scotia was cancelled after event organisers relied on the AI-generated summary. The organisers later issued a public apology, acknowledging that their decision had been based on incorrect information.
Speaking about the impact, MacIsaac described experiencing a “tangible fear” for his safety after the false allegations circulated. He also cited financial losses and emotional distress stemming from the incident.
The lawsuit seeks damages broken down into general, aggravated, and punitive categories, each amounting to 500,000 Canadian dollars. Legal experts say the case could become a significant test of how courts assign liability when artificial intelligence systems generate and distribute false information.
While Google has not yet filed a formal response in court, the company has previously stated that its AI-generated features are experimental and that it continues to refine them to reduce errors. The case underscores growing scrutiny of AI tools integrated into widely used platforms and raises broader questions about accuracy, accountability, and safeguards.
MacIsaac, a Juno Award-winning musician known for blending traditional Celtic fiddle music with contemporary styles, has indicated he intends to pursue the case fully through the courts. “I believe this is a serious issue,” he said, adding that it is important to establish responsibility when false information is spread at scale.
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The case adds to a growing number of legal challenges examining the risks posed by AI-generated content and its real-world consequences.
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