FYI – Patent Drawings Blog

Utility Vs Design Patent Drawings

What’s the difference?

Lead Line Leddy, the Northern Virginia Graphics site tour guide pointing to button with text: "jump to the infographic"

FYI: Patent Drawings Blog

Utility Vs Design Patent Drawings

What’s The Difference?

When it comes to protecting your inventions, it’s important to know the distinction between utility and design patents. While they both serve to protect your intellectual property, they cover distinctly different aspects of an invention. One guards the functional aspects, while the other protects the aesthetic elements.

Utility Patents:

Functionality at the Forefront

Utility patents are all about functionality. They protect the way an invention is used and how it works. This includes mechanisms, processes, and methods of operation. Utility patents are valid for 20 years from the filing date.

Consider our example of a toaster. If the toaster embodies a new method of toasting bread, such as an innovative heating technique or a unique bread positioning mechanism, these functional aspects are what a utility patent would protect. The figures in a utility patent application would focus on illustrating these functional elements, such as the movement of the bread within the toaster or the internal heating mechanism.

NVG mascot leddy the lead line stands next to 2 utility patent drawings of a toaster labeled FIG. 1 and FIG. 2, both featuring lead lines and reference numbers. together the figures show leddy using the function of the toaster

Design Patents:

Protecting Aesthetic Appeal

On the other hand, design patents protect the ornamental aspect of an invention. This covers the shape, configuration, and surface ornamentation. A design patent has a shorter lifespan, expiring 15 years from the date of grant.

Using the same toaster example, if the innovation lies in its unique appearance – perhaps a novel shape, or special surface details like the design of the buttons and dials – a design patent would be appropriate. In this case, the patent figures would focus on showcasing the toaster’s appearance from various angles, highlighting every aspect of its design to comprehensively cover the visual uniqueness of the product.

NVG mascot leddy the lead line admires 3 design patent drawings of a toaster labeled FIG. 1, FIG. 2, FIG. 3 which do not have lead lines or reference numbers, but provide different perspectives of the toaster and use shade lines to show contour

While utility patents and design patents both play vital roles in protecting inventions, they cater to different aspects. Utility patents cover the functional side of an invention, while design patents safeguard its ornamental design. As an inventor or a designer, understanding which type of patent best suits your invention – be it the functional aspects like those in our toaster example or its unique design – is key to effectively protecting your intellectual property.

Infographic says utility applications "show function" and "expire after 20 years," while design applications "show detail in design" and "expire after 15 years." NVG mascot lead line leddy tells viewer "if you have a new way of making toast, apply for a utility patent. if you have a toaster with a new physical appearance, apply for a design patent"