Google Looks To Freeze Energy Co.'s Thermostat IP Claims

By Craig Clough (March 2, 2021, 5:20 PM EST) -- Google Inc. filed a lawsuit Monday in California federal court seeking a declaration that it has not infringed several patents owned by EcoFactor Inc. for "smart" thermostats and HVAC systems that the energy company is asserting in a complaint before the International Trade Commission.

According to Google, EcoFactor is asserting infringement of four patents through technology developed by Google's Nest Labs, including the Nest Thermostat and the Nest Third Generation Learning Thermostat.

"Google's accused products do not directly or indirectly infringe any asserted claim of the asserted patents, either literally or under the doctrine of equivalents," Google said. "Google has not...

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