What information is included in the header of an ex parte reexamination certificate?
The header of an ex parte reexamination certificate includes several key pieces of information:
- The patent number of the original patent
- The reexamination request number
- The effective date of the certificate
- The patent owner’s name
- The text “Ex Parte Reexamination Certificate”
- The number of the certificate (e.g., “1st”)
As stated in MPEP 2290: “The certificate is titled “Ex Parte Reexamination Certificate.” The title is followed by the patent number of the original patent and the effective date of the certificate.”
To learn more:
Topics:
MPEP 2200 - Citation Of Prior Art And Ex Parte Reexamination Of Patents,
MPEP 2290 - Format Of Ex Parte Reexamination Certificate,
Patent Law,
Patent Procedure