37 C.F.R. § 10.39 Acceptance of employment.
Title 37 - Patents, Trademarks, and Copyrights
A practitioner shall not accept employment on behalf of a person if the practitioner knows or it is obvious that such person wishes to: (a) Bring a legal action, commence a proceeding before the Office, conduct a defense, assert a position in any proceeding pending before the Office, or otherwise have steps taken for the person, merely for the purpose of harassing or maliciously injuring any other person. (b) Present a claim or defense in litigation or any proceeding before the Office that is not warranted under existing law, unless it can be supported by good faith argument for an extension, modification, or reversal of existing law.
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
§ 10.39 Acceptance of employment.
