EcoFactor's smart-thermostat dispute with Google first reached the Federal Circuit in a 2024 panel opinion before becoming a 2025 en banc damages case.
The panel addressed infringement, patent eligibility, and damages-related post-trial issues in litigation over Google's Nest thermostats.
For archive purposes, the 2024 decision matters because it is the procedural bridge to the later en banc review of expert damages admissibility.
Patent litigators should track both decisions together: the panel ruling shows the trial posture, while the en banc ruling later reset the damages gatekeeping analysis.