What is the significance of “sufficient specificity” in anticipation of ranges?

“Sufficient specificity” is a crucial concept in determining whether a prior art reference anticipates a claimed range. According to MPEP 2131.03: “When the prior art discloses a range which touches or overlaps the claimed range, but no specific examples falling within the claimed range are disclosed, a case by case determination must be made as…

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How does the MPEP treat anticipation of ranges in temperature and other process parameters?

The MPEP addresses anticipation of ranges in temperature and other process parameters in MPEP 2131.03. It states: “If the claims are directed to a narrow range, and the reference teaches a broader range, other facts of the case, must be considered when determining whether the narrow range is disclosed with “sufficient specificity” to constitute an…

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