Summary
- The U.S. Court of Appeals for the Federal Circuit has upheld the PTAB's decision that all claims of Zentian Ltd.'s speech recognition patent are unpatentable as obvious.
- The court affirmed that the term “feature vector” includes derived quantities, rejecting Zentian’s argument that it should be limited to quantities drawn from the audio stream.
- Apple's petition successfully demonstrated that prior art disclosed necessary elements of the patent, leading to this significant ruling.
- This decision could set a precedent for future patent challenges in the field of speech recognition technology.
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