- WiLAN subsidiary said Alexa infringed digital-assistant patents
- Patents bought from research institute SRI International
- Amazon’s tech functions differently, court said
(Reuters) – Amazon defeated claims that its Alexa voice-assistant technology infringes two patents related to speech-based digital-assistant software on Thursday in Delaware federal court.
Alexa’s technology for recognizing and responding to speech doesn’t function in the same way as the patented technology, U.S. District Judge Richard Andrews said.
Amazon and other tech companies have faced many lawsuits over virtual assistants, smart devices, and related technology. IPA Technologies Inc, a subsidiary of Canadian patent-licensing company WiLAN, owns the patents at issue, which it bought from California research institute SRI International.
IPA first sued Seattle-based Amazon in 2016, and has sued several other tech companies including Apple, Google and Microsoft for allegedly infringing its digital-assistant patents.
Andrews ruled three related patents in the case were invalid in 2019, finding …….