USPTO Rules for Patent Drawings and benefits of hiring a Professional Draftsperson

The U.S. Patent and Trademark Office (USPTO), is the government body charged with registering and managing all the patent applications across country. The applicants are required to submit drawings of their prototype or invention if such drawings are necessary to understand the invention’s working. This is applicable to all types of patents, including utility patents, the most common and the design patent, for outer shape and loos of the product. Whenever a visual is crucial to explaining an invention, the U.S. Patent and Trademark Office (USPTO) needs drawings of the invention to convoy patent applications, and needs the drawings to obey to strict guidelines. The drawings don't have to be works of fine art, but they must define and determine the invention with a great deal of accuracy, and of course, they must follow the rules of USPTO that has set forth.

Guidelines or Rules for Patent Drawings

The key formatting rules for drawings of USPTO, for the purpose of a patent application, are as follows:
 Black ink on white paper.
 Colour is rarely allowed, and only when the colour is necessary to describe the invention (a separate petition must be submitted to the USPTO before colour is allowed).
 Images/photos are only allowed where photos are the sole practical method of presenting the invention.
 The paper should be flexible and strong, and colour of the paper must white, matte (non-shiny). One side of the paper is only allowed for the writing.
 Size of the paper should be either 21.6cm by 27.9 cm or 21cm by 29.7cm (8 1/2 by 11 inches)
 Each page must have margins of exact length on all sides: on the top it must be 2.5 cm, on the left side it must be 2.5 cm, on the right side it must be 1.5 cm, and on the bottom it must be 1.0 cm.
 The drawing(s) must contain as many drawings/views as necessary to appropriately show the invention. Exploded views and partial views of precise portions of the invention may be used. If the inventor do needs to show different views of the invention, then the drawings must be assembled together and fronting the same course on the page.
 Drawings are ideal to be in upright form (as divergent to the horizontal landscape drawings).
 The drawing should be drawn on a scale that will not be jam-packed when copied at 2/3 size. Indications like "full scale" or "1/2 scale" are not tolerable since they lose their sense with reproduction in a diverse format.
 Shading is encouraged where it helps in understanding the invention.
 Numbers are ideal to letters as reference characters in a drawing. When using letters, the English letters should be used.

Hiring a Professional Draftsman

The above-mentioned guidelines and regulations, attached with the fact that majority of the people don't contemplate themselves inventively proficient, which leads patent applicants to hire professional draftsman to handle all the drawings required. Almost all the of the drawings are done by professional draftsman, and a professional draftsperson may save you time drawing.
As per the USPTO, the huge majority of patent applications comprise drawings. This leads to the question: How and where do you get the formal drawings for the invention?
Patent drawings/illustrations are often honestly technical. And preparing them, consequently, can be a daunting task. Getting drawings outsourced to a right professional have several advantages, including saving substantial costs and retaining a higher degree of control over the timeline and the invention. But what exactly do you need to do?
There are professionals who charge anywhere from $65 to $150 per page. Because patent applications often require multiple drawings/views and multiple pages for the same to appropriately define their inventions, the cost will add up very quickly. Nevertheless, we at “The Patent Drawing Services” prepares formal patent drawings that are 100% incompliance to all the rules of USPTO. The cost of preparing formal drawings starts at just flat $25/fig. This flat fee consists of quick delivery, unlimited iteration, and on call draftsman availability for better understanding of the invention. Professionals and companies usually know what must be included in the drawings, and how to define inventions visually in a way that the USPTO will accept. Also, they can save you great amount of time and effort right of undertaking the job on your hand.
If you have little budget and lack of patience or time to do all the drawings yourself, a professional draftsperson can be an asset for getting the process expedited.

Get Professional Help With Your Patent Drawings

While an attorney may not be able to draw your invention for you, but we can certainly ensure a smooth process as you engage with the drafting of your application. If you have any drawings questions about your patent application, you should consider professional help. You can start the process today by reaching out to us at

Related Links :

1. Guidelines on Patent Drafting – How to write a patent application and what is the importance of Illustrations?
2. What can Patent Attorneys do in COVID-19 Pandemic disruption on the patent filing?

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