Executive Summary
Fluidmaster successfully moved forward with its IPR challenge against Danco's patent (9103105) regarding toilet fill valves. The Board granted institution on multiple grounds, setting the stage for a full trial to determine if the claims are unpatentable over prior art combinations.
Practitioner Note
This case demonstrates the evidentiary and procedural standards applied in patent matters before local courts. Understanding the court's reasoning in Fluidmaster, Inc. vs Danco, Inc. et al. is valuable context for structuring arguments or assessing risk in similar proceedings.
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