What are annotated sheets in patent drawings?

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Source: FAQ (MPEP-Based) BlueIron Update: 2024-09-09 10 Rules 5 Related FAQs 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 in patent drawings are marked-up copies of drawings that show proposed changes to the original drawings. According to MPEP 608.02(v) , “When changes are to be made in the drawing itself, other than mere changes in reference characters, designations of figures, or inking over lines pale and rough, a marked-up copy of the drawing should be filed with a replacement drawing.” These annotated sheets are used to clearly indicate the modifications being made to the original drawings. Related Rules from the Manual of Patent Examining Procedure 10 rules Collapse Annotated Sheet Requirement for Drawing Changes MPEP 608.02(v) Recommended Marked-Up Copy Must Be Labeled Annotated Sheet MPEP 608.02(v) Required Ordinary Line Changes Require Annotated Sheets MPEP 608.02(v) Permitted Annotated Sheets for Drawing Corrections Must Be In Ink MPEP 608.02(v) Required Full and Clear Disclosure Required for Patent MPEP 608 Required Requirement for Full and Clear Disclosure MPEP 608 Claims Must Find Basis in Original Disclosure MPEP 608 Required No New Matter After Filing Date MPEP 608 Permitted Original Disclosure Requirement for Filing MPEP 608 Permitted Examiner Must Object to Offensive Language and Depictions in Patent Applications MPEP 608 Recommended Other Related FAQs 5 FAQs Collapse What regulations govern the use of annotated sheets in patent drawings? How should annotated sheets for patent drawings be prepared? When are annotated sheets required for patent drawing changes? Will the USPTO return annotated sheets submitted for patent drawing corrections? Who is responsible for pointing out and distinctly claiming the invention in a patent application?