37 C.F.R. § 10.24 Disclosure of information to authorities.
Title 37 - Patents, Trademarks, and Copyrights
(a) A practitioner possessing unprivileged knowledge of a violation of a Disciplinary Rule shall report such knowledge to the Director. (b) A practitioner possessing unprivileged knowledge or evidence concerning another practitioner, employee of the Office, or a judge shall reveal fully such knowledge or evidence upon proper request of a tribunal or other authority empowered to investigate or act upon the conduct of practitioners, employees of the Office, or judges.
Title 37: Patents, Trademarks, and Copyrights
PART 10—REPRESENTATION OF OTHERS BEFORE THE PATENT AND TRADEMARK OFFICE
Patent and Trademark Office Code of Professional Responsibility
§ 10.24 Disclosure of information to authorities.

