Mitsubishi Electric and Sisvel take TCL to court over patents
Mitsubishi Electric and Sisvel International have claimed that China-headquartered TCL’s mobile devices and data terminals infringe three standard-essential patents.
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27 April 2021 Sisvel and Mitsubishi have suffered a loss in their infringement suit against several Chinese mobile phone manufacturers, as the English High Court ruled that a standard-essential patent is not integral to 4G telecom standards.
5 September 2023 Precedential opinion upholds Patent Trial and Appeal Board finding that two of the licensing firm’s patents are invalid | Challengers to the patents include Telit, Dell and Thales.