What is an “Annotated Marked-up Drawing” in a reissue application?

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.

An “Annotated Marked-up Drawing” in a reissue application is an optional document that applicants can include to illustrate changes made to drawing figures. The MPEP describes it as follows:

“If desired, applicant may include a marked-up copy of any amended drawing figure, including annotations indicating the changes made. Such a marked-up copy must be clearly labeled as ‘Annotated Marked-up Drawings’, and it must be presented in the amendment or remarks section that explains the change to the drawings.”

Key points about Annotated Marked-up Drawings:

• They are optional and can be included at the applicant’s discretion.
• They must be clearly labeled as “Annotated Marked-up Drawings.”
• They should be presented in the amendment or remarks section explaining the drawing changes.
• Examiners may request a marked-up copy of any amended drawing figure if needed.