What are the key differences between ex parte reexamination ordered under 35 U.S.C. 257 and 35 U.S.C. 302?
There are several key differences between ex parte reexamination ordered under 35 U.S.C. 257 (as a result of supplemental examination) and 35 U.S.C. 302:
- Patent owner’s statement rights
- Timing of patent amendments
- Basis for reexamination
- Scope of issues considered
- Definition of material information
According to MPEP 2823: “Ex parte reexamination ordered under 35 U.S.C. 257, i.e., as a result of a supplemental examination, will be conducted in accordance with regulations and procedures that govern ex parte reexamination ordered pursuant to 35 U.S.C. 302 (e.g., 37 CFR 1.530 through 37 CFR 1.570), except that” the above-mentioned differences apply.
To learn more:
Topics:
MPEP 2800 - Supplemental Examination,
MPEP 2823 - Differences Between An Ex Parte Reexamination Proceeding Ordered Pursuant To 35 U.S.C. 257 And An Ex Parte Reexamination Proceeding Ordered Pursuant To 35 U.S.C. 302,
Patent Law,
Patent Procedure