What information is included in the Official Gazette notice for an ex parte reexamination certificate?

This page is an FAQ based on guidance from the Manual of Patent Examining Procedure. It is provided as guidance, with links to the ground truth sources. This is information only: it is not legal advice.

The Official Gazette notice for an ex parte reexamination certificate includes several key pieces of information:

• Bibliographic information
• Status of each claim after the conclusion of the reexamination proceeding
• A representative claim
• Indication of any changes to the specification or drawing
• Clear indication of the type of certificate

As stated in MPEP 2291: “The Official Gazette notice will include bibliographic information, and an indication of the status of each claim after the conclusion of the reexamination proceeding. Additionally, a representative claim will be published along with an indication of any changes to the specification or drawing.”