Browse Issues Search Articles Submissions About the Journal Copyright Fixation Podcast Subscribe Go back to Issues THE HEART OF THE MATTER: COPYRIGHT, AI TRAINING AND LLM 71 J. COPYRIGHT SOC’Y, 482, (2024) Daniel Gervais Vanderbilt University Haralambos Marmanis Copyright Clearance Center, EVP & CTO Noam Shemtov Centre for Commercial Law, Queen Mary University of London Catherine Zaller Rowland Copyright Clearance Center, General Counsel Introduction This article explores the intricate relationship between copyright law and artificial intelligence, including large language models (LLMs). It begins with a detailed technical overview of LLM functionality, including tokenization, word embeddings, and the various stages of LLM development. The authors then delve into the copyright implications of using protected works for both training LLMs and generating outputs. Full Article 71(3)_The Heart of the MatterDownload Related Content Journal December 21, 2025 C+T Panel 2 - A THOUSAND TIMES NO: THE PRACTICALITIES OF OPT-OUT FOR AI TRAINING 72 J. Copyright Soc'y 1023 (2025)Download AI & Copyright Copyright + Technology Conference Creativity & Technology Collide Technology, Innovation & the Future Journal December 21, 2025 C+T Panel 4 - MY OWN THREE HANDS: AI CONTENT CREATION TOOLS AND COPYRIGHT REGISTRATION 72 J. Copyright Soc'y 1071 (2025)Download AI & Copyright Copyright + Technology Conference Creativity & Technology Collide Technology, Innovation & the Future Journal December 21, 2025 COPYRIGHTING STYLE 72 J. Copyright Soc'y 1091 (2025)Download AI & Copyright Creativity & Technology Collide Idea/Expression