How should figures be labeled 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. According to MPEP 507, figures in patent drawings should be labeled as follows: Each figure must be labeled ‘Fig.’ with a consecutive Arabic numeral (1, 2, etc.) or an Arabic numeral and capital letter in the English alphabet (A, B, etc.). See 37 CFR 1.84(u)(1); This labeling convention ensures clarity and consistency in referencing figures throughout the patent application and publication. Improper labeling may result in an objection from OPAP and require correction. Related Rules from the Manual of Patent Examining Procedure 10 rules Collapse Office of Patent Application Processing Reviews Drawings for Publication MPEP 507 Permitted Design Patent Drawings Not Reviewed for Publication MPEP 507 Corrected Drawings Required for Legibility and Compliance MPEP 507 Permitted Corrected Drawings Required Upon Notice From OPAP MPEP 507 Required Drawings Reflect Application Filing Quality Unless Improved MPEP 507 Most Drawings Including Informal Ones Are Acceptable MPEP 507 New Drawing View Must Be Labeled as New MPEP 1509 Required No Fee for Corrected Drawings Required by OPAP MPEP 507 Required Drawings Must Be Scannable and Reproducible MPEP 507 Permitted Drawings Must Be Acceptable for Scanning MPEP 507 Required Other Related FAQs 5 FAQs Collapse Are color drawings or photographs allowed in patent applications? What happens if corrected drawings are not received within the set time period? Can drawing corrections be made after the application has been allowed? What happens if a drawing is not included with the application? What happens if the drawings in a patent application are not in compliance with the rules?