What is the “rule of reason” in patent claim multiplicity?
The “rule of reason” in patent claim multiplicity refers to the principle that examiners should use judgment and consider the specific circumstances of each case when evaluating whether claims are unduly multiplied. This concept is derived from case law, as cited in MPEP 2173.05(n): “As noted by the court in In re Chandler, 319 F.2d…
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