Every company building generative artificial intelligence today shares a major question: what data can be used to train these models? Kristin Leavy has unique expertise in this topic as Special Counsel and copyright law expert at Cooley, the #1 most active law firm representing VC-backed companies since 2005. We cover who should be responsible for generative artificial intelligence model outputs, what future potential regulation might look like, and why the four factors of fair use matter.