Good read on why conversations with LLMs aren't protected as attorney-client privilege: Elizabeth X Guo writing in the Harvard Law Review re United States v. Heppner.
The Heppner court assumed sub silentio that Claude was more like a non- attorney human than a tool. One might reasonably question that assumption. On the very same day of Judge Rakoffs oral decision, the district court for the Eastern District of Michigan (in a civil case concerning work-product protection for a pro se litigants ChatGPT- generated materials) emphasized that ChatGPT (and other generative AI programs) are tools, not persons and represent a litigants internal mental impressions reformatted though software.