37 C.F.R. § 10.34 Communication of fields of practice.
Title 37 - Patents, Trademarks, and Copyrights
A registered practitioner may state or imply that the practitioner is a specialist as follows: (a) A registered practitioner who is an attorney may use the designation “Patents,” “Patent Attorney,” “Patent Lawyer,” “Registered Patent Attorney,” or a substantially similar designation. (b) A registered practitioner who is not an attorney may use the designation “Patents,” “Patent Agent,” “Registered Patent Agent,” or a substantially similar designation, except that any practitioner who was registered prior to November 15, 1938, may refer to himself or herself as a “patent attorney.”
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
§ 10.34 Communication of fields of practice.
