MPEP 2307.01
Ex Parte Communications

Ninth Edition of the MPEP, Revision 10.2019, Last Revised in June 2020

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2307.01    Ex Parte Communications [R-08.2017]

37 C.F.R. 41.11 Ex parte communications in inter partes proceedings.

An ex parte communication about an inter partes reexamination (subpart C of this part) or about a contested case (subparts D and E of this part) with a Board member, or with a Board employee assigned to the proceeding, is not permitted.

Since an interference involves two or more parties, the integrity of the process requires the opportunity for the opposing party to participate in communications or actions regarding any involved application or patent. Once an interference is declared, any attempt by a party to communicate with the Board through the examiner or to have the examiner act in an involved patent or application without Board authorization should be promptly reported to the Board. Board action may include a sanction in the interference or referral of a patent practitioner to the Office of Enrollment and Discipline.