37 CFR 10.39 - Acceptance of employment.
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.
Title 37 published on 2013-07-01
no entries appear in the Federal Register after this date.