5 known cases. View patent page →
In this CAFC appeal, US Patent 6832194 (Mozer) was cited as prior art by Apple Inc. against claims of Zentian Ltd.'s US Patent 10839789. The CAFC vacated and remanded a PTAB decision that had favored Zentian, citing legal errors in claim construction and failing to address whether Mozer's disclosed memory could hold an abbreviated digits recognizer model.
Apple Inc. challenged the validity of Zentian Ltd.'s US Patent 10839789 before the CAFC, arguing its claims were obvious over US Patent 5819222 and US Patent 6832194. The CAFC vacated and remanded a PTAB decision that had previously favored Zentian Ltd., indicating errors in the PTAB's claim interpretation in light of prior art.
This is a Patent Trial and Appeal Board (PTAB) case initiated by Unified Patents against Zentian Ltd. concerning US Patent 10839789, which resulted in a Final Written Decision.
Zentian Ltd. filed this suit against Amazon.com, Inc. and Amazon Web Services, Inc. asserting US Patent 10839789. The case was ongoing and set for trial, with related IPR challenges from Amazon.
This case involves Zentian Ltd. in the California Northern District Court concerning US Patent 10839789, but specific defendants and detailed outcomes are not available.