Code of Federal Regulations Title 37. Patents, Trademarks, and Copyrights § 37.11.104 Communication

(1) Promptly inform the client of any decision or circumstance with respect to which the client's informed consent is required by the USPTO Rules of Professional Conduct;

(2) Reasonably consult with the client about the means by which the client's objectives are to be accomplished;

(3) Keep the client reasonably informed about the status of the matter;

(4) Promptly comply with reasonable requests for information from the client;  and

(5) Consult with the client about any relevant limitation on the practitioner's conduct when the practitioner knows that the client expects assistance not permitted by the USPTO Rules of Professional Conduct or other law.