Class actions > Anthropic PBC AI Copyright Class Action

Anthropic PBC AI Copyright Class ActionACTIVE

MacKinnon v Anthropic PBC

Anthropic PBC created a series of AI large language models (LLMs). The plaintiff allege that in training these models, Anthropic PBC unlawfully used copyrighted materials including books authored by Canadian residents.

Proposed Class Members: This action is brought on behalf of all members of a class consisting of the Plaintiff and all natural persons or corporations, resident in Canada, who owned or co-owned the copyright to works used by Anthropic to train one of its various versions of large language models between January 2021 and the present.

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Overview

CourtSupreme Court of British Columbia, Vancouver Registry

Date FiledMay 23, 2025

A proposed class action lawsuit has been filed in Vancouver against Anthropic PBC

The plaintiff alleges that Anthropic PBC violated copyright held by Canadian authors when training its large language models. Specifically, the plaintiff alleges that Anthropic PBC downloaded “Books3” dataset. This dataset contains large amounts of copyrighted works, including books and articles by Canadian authors. The plaintiff alleges that Anthropic PBC used and unlawfully copied and shared these copyrighted works, and did not license or otherwise obtain permission to do so from the copyright holders.

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Contact: Oliver Pulleyblank
Phone: 604.697.2480 ext. 240

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