OED maintains a register of active patent practitioners who are eligible to represent others before the USPTO in patent matters. Only registered patent attorneys and agents, and individuals granted limited recognition, may represent patent applicants before the USPTO. Individuals not listed on the register are generally unable to represent others before the USPTO in patent matters.
While OED maintains the register, the USPTO cannot aid in the selection or recommendation of an attorney or agent. You may also consider the services of the Law School Clinic Certification or Patent Pro Bono programs.
For information about practitioners who have been disciplined, search OED Final Decisions in the FOIA Reading Room.