In a significant decision from the U.S. District Court for the Southern District of New York, Judge Jed Rakoff ruled that communications involving AI assistants cannot be shielded by attorney-client privilege, a foundational protection in legal practice. The court determined in US v. Heppner that the presence of an AI intermediary breaks the direct confidential relationship required for privilege to attach. Rakoff's reasoning centered on the principle that privilege exists to protect communications between attorney and client—introducing a third party, even a computational one, undermines that exclusivity. The ruling effectively treats AI as a non-lawyer third party similar to paralegals or consultants, except without the same institutional and professional accountability structures. This decision represents one of the first major judicial pronouncements on how artificial intelligence intersects with long-standing doctrines of legal confidentiality, affecting both law firms and the developers building legal tech platforms.