How does the USPTO determine the inventor’s field of endeavor in patent applications?

The USPTO determines the inventor’s field of endeavor by examining the content of the patent application, particularly the specification. According to MPEP 2141.01(a): “The examiner must determine what is ‘analogous prior art’ for the purpose of analyzing the obviousness of the subject matter at issue. ‘The determination of what is analogous prior art is fact…

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How is the “same field of endeavor” determined for analogous art?

When determining whether a reference is in the “same field of endeavor” as the claimed invention, examiners should consider: Explanations of the invention’s subject matter in the patent application The embodiments, function, and structure of the claimed invention The MPEP states: “When determining whether the ‘relevant field of endeavor’ test is met, the examiner should…

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