No Fed. Circ. Revival For TeleSign Patents Axed Under Alice
By Dani Kass (January 9, 2020, 8:40 PM EST) -- The Federal Circuit on Thursday upheld a California federal judge's decision to invalidate as abstract several two-factor authentication technology patents owned by TeleSign Corp.
A three-judge panel summarily affirmed U.S. District Judge Vince Chhabria's October 2018 decision without further explanation. The California judge had said the four patents could not beat the test set up in the U.S. Supreme Court's Alice decision
Twilio Inc. had challenged the patent after TeleSign sued it for infringement in 2015. TeleSign provides two-factor authentication security services for the websites of many major companies, and Twilio provides technology that allows users to make phone calls and send...
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