Is proof of service required for documents filed in ex parte reexamination?
Yes, proof of service is required for certain documents filed in ex parte reexamination. MPEP 2252 states: “Any paper for which proof of service is required, which is filed without proof of service, may be denied consideration.” If proof of service is missing, the Central Reexamination Unit may inquire with the sender to verify if service was made. If no service was made, the paper is placed in the reexamination file but is not considered.
For more information on proof of service requirements, refer to MPEP § 2266.03 and MPEP § 2267.
To learn more:
Topics:
MPEP 2200 - Citation Of Prior Art And Ex Parte Reexamination Of Patents,
MPEP 2252 - Consideration Of Statement And Reply,
Patent Law,
Patent Procedure