In its opinion, the CAFC stated that the district court "misapprehended its role in adjudicating the issue of patentability" by improperly assessing patent eligibility without argumentative basis.
The opinion emphasized that during the entire course of litigation, "no discussion, let alone argument, from the parties" occurred regarding the patent eligibility of the claims at hand.
CAFC highlighted that the invalidity assessment by the district court was performed sua sponte, indicating a misunderstanding of the parameters within which patentability should be determined.
The Federal Circuit's decision reinforces the necessity of a robust discussion and argument around all elements of patentability, especially when claims are narrowed.
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