Creating Illustrations for Inventions: The Basic Rules

We must have heard this adage “A picture speaks a thousand words.”  This goes true for patent drawings or creating illustrations for Inventions, because, drawings that are drawn meticulously, clearly, and consciously can speak much more about your invention than reams of words. In other words, we can say is that an intelligently created patent drawing can increase the chances of getting your patent approved manifold.

However, the tough part about patent drawing is that it involves various rules and regulations and a draftsperson needs to follow them religiously failing to abide by these rules could be detrimental to your overall goal.

Every country has different rules for patent illustrations, and while creating such a drawing it is important for a draftsperson to take into account the intended jurisdiction, still, most of them are similar in general. Thus knowing the basic rules could be of immense use for those who wish to create a drawing that is appealing, accurate, and correct.

This article is aimed at listing some basic rules of patent drawings that every draftsperson should follow while creating illustrations for inventions. Though there are plenty of rules that are applicable to patent-related drawings, still, we will cover only those that are of utmost importance.

Basic Rules for Illustration Creation of Inventions

Ensure Every Feature is Included

While creating patent drawings for inventions it is important for a draftsperson to include each and every feature that makes up the invention without exception. Features that are not included in the drawing would not be considered for protection. For instance, if you have a mobile handset and has an innumerable number of features, it is important for the draftsperson to mention each and every feature of the mobile handset.

Failing to add all the features in a patent drawing could jeopardize your overall objective. Every feature of the illustration should be properly documented with both text and drawing to assure that the patent examiner fully understands the feature of the item.

The size of the sheet should be at par with the respective patent office

Unlike normal forms of drawings, patent drawings are written in a sheet format that is specified by the respective patent office. Failing to abide by this format could lead to rejection of your application. Patent office like the U.S. PTO allows only two kinds of sheet size a) 21 cm x 29.7 cm which is also called as A4 size and b) 21.6 cm x 27.9 cm which is used throughout the United States.

Use Metric System as a measurement tool

Though patent offices like the U.S. PTO don’t prohibit draft persons from using English Measurement System, still, they encourage people to use Metric System which is the Universal accepted measurement system. Any dimension and sizing information presented in a patent disclosure must be given in metric inches preferably centimeters. In the case of small devices millimeters can be used.

Avoid Unnecessary Texts

While creating illustrations for inventions, it is important for the draftsperson to avoid texts that are not necessary and can produce ambiguity to the understanding.

Most of the time we see draftsperson use extra text/texts to indicate certain events in a drawing. Some examples of such texts are Open, Closed, Partially Closed etc. While the intention could be good such as extra added texts can jeopardize your overall goal as these are not allowed in a drawing created for patents.

The TPDC Assistance

Our experienced team of drafters offers accurate patent illustration services at the most economical rate. Keeping ourselves updated according to the recent patent office rules and guidelines, making use of the latest software and technologies is what that sets us apart. Have a look at our work through the free samples hosted on our website. Please feel free to Contact Us or drop a mail at for any related query. We will get back to you as soon as we receive your query.

Leave a Reply

Your email address will not be published. Required fields are marked *