The United States Patent and Trademark Office (USPTO) published a Federal Register Notice on Feb. 13, 2024, providing guidance on inventorship for artificial intelligence-assisted inventions. The Guidance applies to all patent applications filed before, on, or after February 13, 2024. The USPTO also is seeking public comments on the Guidance. Natural person required: Inventor or joint inventor must be a natural person who made a significant contribution to the conception of the claimed invention.