Utility and design patent drawing projects can begin with the same physical object but need different illustration briefs. The patent professional determines the filing approach and what the application must disclose. The illustrator needs those decisions translated into an accurate set of drawing instructions.
This article concerns preparing that production brief. It does not determine which form of protection applies to an invention or what should be claimed.
Describe the purpose of each figure
For a utility project, the brief may call for views that explain components and their relationships, such as an exploded assembly or a section. The specific figures should follow the application and the professional instructions supplied with it.
For a design project, the brief concerns the appearance being disclosed. The USPTO's design patent guide discusses views, shading and broken-line conventions. Their use can have legal significance, so the illustrator should not make those choices without approved direction.
Build a figure register
Create a simple register with the figure number, view description, source reference and any special instructions. For a mechanical assembly, this might identify the assembled view, exploded view and detail view. For another product, it might identify coordinated orthographic views and a perspective.
The register is a production control, not a universal list of required views. Its value is that every figure has a reason to exist and can be checked against an approved instruction.
Keep numbering and geometry coordinated
Use one reference-number list for the entire project. If a component has a number, make sure the same number does not identify something else in another figure. If the brief changes, update the register and affected drawings together.
Compare shared features across views. A seam, opening or attachment should occupy a consistent position wherever it appears. This check is easier when the source version is fixed and the drawings are reviewed as a set.
Distinguish sheets from figures
A figure is an individual illustration; a sheet is a delivery page that can contain one or more figures. A seven-figure project is not automatically a seven-sheet project. Arrangement and legibility affect the final sheet count.
COLONFILM's proposed redrawing packages count simple supplied figures: one for $95, up to three for $245 and up to six for $445. Complex reconstruction, exploded assemblies and sections are outside those packages and need a separate feasibility review.
Define the review responsibility
Before drafting starts, identify who will approve technical details and who will review the drawings in the context of the application. Return one consolidated correction list, using figure numbers to make each change unambiguous.
Keep the final approved sources, figure register and delivered sheets together. If the product or filing instructions later change, that record makes it possible to identify the affected work instead of assuming that one local edit will update the entire set.
Send your source material for a written quote confirming the supported scope, final price and delivery schedule.
Explore Patent Drawing & Diagram Redrawing for the scope and enquiry details. Continue reading: Patent Drawings from Photos or CAD: What to Prepare.