Google Revives Pair of Patents Underlying Suit Against Sonos

June 9, 2026, 5:55 PM UTC

Google LLC convinced the Federal Circuit Tuesday to restore smart-speaker patents that allegedly were infringed by audio equipment maker Sonos Inc.

The ruling overturns a 2024 Patent Trial and Appeal Board holding that Google’s US Patent Nos. 10,134,398 and 10,593,330 described an invention contained in an earlier patent purchased by Google from Israeli phone company Modu Ltd. and separately would’ve been ineligible as obvious based on a combination of that earlier patent and a different application.

The findings that the ‘398 and ‘330 patents—which claim technological improvements for devices that use “hot words” like “Hey, Siri"—match several features in the ...

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