How are broken lines used in design patent drawings?

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Source: FAQ (MPEP-Based) BlueIron Update: 2024-09-27 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. Broken lines in design patent drawings are used to show portions of the article that are not part of the claimed design. Key points include: Solid lines show the claimed design elements Broken lines show unclaimed or environmental elements The use of broken lines must be explained in the specification Converting solid lines to broken lines (or vice versa) is generally not considered new matter The MPEP states: The scope of a claimed design is defined by what is shown in full lines in the application drawings. ( MPEP 1504.04 ) Related Rules from the Manual of Patent Examining Procedure 10 rules Collapse Design Claims Defined by Full Lines in Drawings MPEP 1504.04 Design Claims Defined by Full Line Drawings MPEP 1504.04 Design Patent Must Show All Claimed Elements MPEP 1504.04 Change in Design Configuration Introduces New Matter MPEP 1504.04 Design Patent Features Must Be Clearly Shown MPEP 1504.04 Permitted Written Description Requirement for Design Patents MPEP 1504.04 Examiner Must Clarify Invisible Design Elements MPEP 1504.04 Required Ex Parte Quayle Action for Design Patent Allowability MPEP 1504 Design Can Be Defined by Single Plan-View MPEP 1504.04 Required Design Must Be Clearly Depicted In Full Lines MPEP 1504.04 Required Other Related FAQs 5 FAQs Collapse What is the best mode requirement for design patents? How are amendments to design patent applications evaluated for new matter? How does indefiniteness apply to design patent claims? How do continuation and divisional applications affect design patent disclosure? What is the definiteness requirement for design patent claims?