Strong Copyright Protection for Language Models via Adaptive Model Fusion
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Abstract (arXiv)
The risk of language models unintentionally reproducing copyrighted material from their training data has led to the development of various protective measures. In this paper, we propose model fusion as an effective solution to safeguard against copyright infringement. In particular, we introduce Copyright-Protecting Fusion (CP-Fuse), an algorithm that adaptively combines language models to minimize the reproduction of protected materials. CP-Fuse is inspired by the recently proposed Near-Access Free (NAF) framework and additionally incorporates a desirable balancing property that we demonstrate prevents the reproduction of memorized training data. Our results show that CP-Fuse significantly reduces the memorization of copyrighted content while maintaining high-quality text and code generation. Furthermore, we demonstrate how CP-Fuse can be integrated with other techniques for enhanced protection.
Key facts. Cited by 4 papers in the map (data through 7 Oct 2026). Builds on 52 of its 65 references that are in the map. First posted on arXiv 29 Jul 2024.
Builds on
52 of 65 references.
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38 more
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Citing papers per year: 2024: 2; 2025: 2.
4 papers.
- 2024Model Merging in LLMs, MLLMs, and Beyond: Methods, Theories, Applications and Opportunitiescited by 247
- 2025Merge to Mix: Mixing Datasets via Model Mergingcited by 7
- 2024Copyright-Protected Language Generation via Adaptive Model Fusioncited by 6
- 2025SUV: Scalable Large Language Model Copyright Compliance with Regularized Selective Unlearningcited by 4
- 2025Merge to Mix: Mixing Datasets via Model Merging21 May 2025
- 2025SUV: Scalable Large Language Model Copyright Compliance with Regularized Selective Unlearning29 Mar 2025
- 2024Copyright-Protected Language Generation via Adaptive Model Fusion9 Dec 2024
- 2024Model Merging in LLMs, MLLMs, and Beyond: Methods, Theories, Applications and Opportunities14 Aug 2024