Which of the following is considered non-essential material in a patent application?

The background information on existing inventions is categorized as non-essential material in a patent application. This component serves to provide context and rationale for the invention but is not crucial for determining the patentability of the claims. While it helps to frame the problem being solved and may be useful to the patent examiner and future inventors, the absence of this background information does not directly impact the understanding of the claims themselves or the enabling disclosure required to substantiate the invention.

In contrast, the claims detailing the invention steps are vital as they define the scope of the patent protection being sought. Data necessary for enabling the invention is equally critical; without it, the invention may not meet the enablement requirement, rendering it potentially unpatentable. Essential statistics regarding utility provide important information about how the invention works or its intended use, which can significantly influence the examination process and patentability. Thus, while background information is beneficial, it is not essential for the validity or enforceability of the patent application.