What is the “product of nature” exception in patent law?
The “product of nature” exception is a judicial exception to patent eligibility under 35 U.S.C. 101. According to MPEP 2106.04(b), this exception includes naturally occurring products and some man-made products that are essentially no different from a naturally occurring product. The MPEP states: “To determine whether a claim recites a nature-based product limitation that falls…
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