How should annotated sheets for patent drawings be prepared?

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.

Annotated sheets for patent drawings must be prepared according to specific guidelines. MPEP 608.02(v) states that “The marked-up copy must be clearly labeled as ‘Annotated Sheet.’” Additionally, the MPEP specifies that “All such annotated sheets must be in ink or permanent prints.” This ensures that the proposed changes are clearly visible and permanent. When submitting annotated sheets, they should be accompanied by a replacement drawing that incorporates the proposed changes.