MPEP Q & A 235: What is a mathematical relationship?



What is a mathematical relationship?


A mathematical relationship is a relationship between variables or numbers.

  • A mathematical relationship may be expressed in words or using mathematical symbols.
  • For example, pressure (p) can be described as the ratio between the magnitude of the normal force (F) and area of the surface on contact (A), or it can be set forth in the form of an equation such as p = F/A.

Chapter Details:

The answer to this question can be found in chapter 2100 of the MPEP. This chapter covers Patentability.

The answer is from the 9th Edition, Revision 10.2019. Depending on future changes to the MPEP, the question and answer may or may not be applicable in later Editions or revisions.

Section Summary:

This question and answer comes from section 2106.04(a)(2) of the MPEP.  The following is a brief summary of section 2106.04(a)(2).

2106.04(a)(2) Abstract Idea Groupings

This section covers examples of concepts the courts have identified as abstract ideas.

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