What is the scope of an ex parte reexamination under 35 U.S.C. 304?

An ex parte reexamination under 35 U.S.C. 304 provides a complete reexamination of the patent claims based on prior art patents and printed publications. The MPEP states: “A reexamination proceeding ordered under 35 U.S.C. 304 provides a complete reexamination of the patent claims on the basis of prior art patents and printed publications.” Additionally, double…

Read More

Can new matter be introduced during ex parte reexamination?

New matter cannot be introduced into the disclosure during ex parte reexamination. The MPEP states: “35 U.S.C. 305 provides for examination under 35 U.S.C. 132, which prohibits the introduction of new matter into the disclosure.” If new matter is added to the claims or affects claim limitations, the claims should be rejected under 35 U.S.C.…

Read More

Can new issues be raised in ex parte reexamination?

Can new issues be raised in ex parte reexamination? Generally, new issues cannot be raised in ex parte reexamination unless they are based on patents or printed publications. The MPEP 2258 states: “Issues other than those indicated in 37 CFR 1.552(c) will not be resolved in a reexamination proceeding.” However, there are some exceptions: New…

Read More

What issues can be considered in ex parte reexamination ordered under 35 U.S.C. 304?

Ex parte reexamination ordered under 35 U.S.C. 304 is limited to considerations of prior art patents and printed publications. The MPEP states: “Rejections will not be based on matters other than patents or printed publications, such as public use or sale, inventorship, 35 U.S.C. 101, conduct issues, etc.” However, certain ancillary matters may be considered,…

Read More

What is the role of the examiner in ex parte reexamination?

What is the role of the examiner in ex parte reexamination? The examiner plays a crucial role in ex parte reexamination, with responsibilities including: Conducting a thorough search of the prior art relevant to the patent under reexamination. Examining the patent claims in light of the cited prior art and any newly discovered references. Making…

Read More