The U.S. Copyright Office’s Part III report on AI and copyright signals that companies cannot assume generative AI training is automatically allowed under “fair use.” The report says copyright issues may arise at several stages: when developers collect and copy protected material for training the model, when a model memorizes protected material in its internal “weights,” and when AI outputs closely resemble copyrighted material. It emphasizes that fair use must be judged case by case, looking at why the original work was used, whether the use is commercial or transformative, how much of the original work was copied, whether guardrails prevent copying in outputs, and whether the AI system harms existing or potential markets for the original work. The report also points to licensing and possible policy reforms as ways to address uncertainty, but overall it takes a cautious approach that is more favorable to copyright owners than to unrestricted generative AI training.
