2208 Service of Prior Art or Section 301 Written Statements on Patent Owner [R-07.2015]
A copy of any submission of prior art patents, printed publications, and/or section 301 written statements and additional information in a patent file by a person other than the patent owner must be served on the patent owner so that the patent owner is kept fully informed as to the content of his or her patent file wrapper/file history. See MPEP § 2206 for handling of prior art citations and written statements under 35 U.S.C. 301 .
A submission by a person other than the patent owner that fails to include proper proof of service as required by 37 CFR 1.248(b) or a satisfactory showing that none of the modes of service set forth in 37 CFR 1.248(a) are practicable will not be entered into the patent file.