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Zentian Ltd v. Apple Inc.

  1. September 25, 2026

    Fed. Circ. Backs Nixing Of Speech Patent In 'Hey Siri' Dispute

    The Patent Trial and Appeal Board was right to fully invalidate a speech recognition patent that Apple stands accused of infringing, the Federal Circuit held Friday.

  2. July 21, 2026

    Apple's Bid To Invalidate Speech Patent Revived On Appeal

    The Federal Circuit on Tuesday gave Apple Inc. another opportunity to show that claims in a Zentian Ltd. speech recognition patent are invalid, faulting the Patent Trial and Appeal Board's decision to uphold the patent, which is at issue in a California infringement suit.

  3. June 21, 2023

    Judge Albright: 'Hey Siri, Send Patent Suit To California'

    U.S. District Judge Alan Albright has transferred litigation over voice-recognition technology from the Western District of Texas to the Northern District of California, in a win for the alleged infringer, Apple.