What are the four statutory categories of patent-eligible subject matter?

The four statutory categories of patent-eligible subject matter, as defined in 35 U.S.C. 101, are: Processes Machines Manufactures Compositions of matter As stated in the MPEP, “The latter three categories define ‘things’ or ‘products’ while the first category defines ‘actions’ (i.e., inventions that consist of a series of steps or acts to be performed).” To…

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What are the four categories of statutory subject matter for patent eligibility?

The four categories of statutory subject matter for patent eligibility, as enumerated in 35 U.S.C. 101, are: Processes Machines Manufactures Compositions of matter As stated in the MPEP: “These “four categories together describe the exclusive reach of patentable subject matter. If a claim covers material not found in any of the four statutory categories, that…

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