Fed Circ affirms invalidity of Sisvel mobile phone patents
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.
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1 June 2022 Mitsubishi Electric and Sisvel International have claimed that China-headquartered TCL’s mobile devices and data terminals infringe three standard-essential patents.
12 April 2022 Patent pool operator Sisvel has signed a deal with Chinese smartphone manufacturer Vivo to license a portfolio of more than 1,800 patents deemed essential to the 2G, 3G, and 4G standard.