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Utility and Patentable Subject Matter

Learn about the categories of patentable subject matter, and judicially developed standards for evaluating whether claims reach unpatentable laws of nature, natural phenomena, or mathematical algorithms.


In general, an invention must be useful and fall within the scope of patentable subject matter for an inventor to obtain a utility patent.

I.              Utility

A claimed invention must be useful to be eligible for utility-patent protection. To satisfy this requirement, a claimed invention’s utility must be specificsubstantial, and credible as of the patent application’s filing date. A claimed...