March 17, 2021
A California federal judge refused Tuesday to toss outright a trio of patent infringement lawsuits by a Xerox Corp. subsidiary against Facebook, Snap and Twitter, keeping intact three patents asserted against the social media companies but invalidating two others for being abstract under the U.S. Supreme Court's Alice ruling.
November 25, 2020
Many of the core functions of Facebook, Twitter and Snapchat, like targeted advertising, notifications and even tools used for flagging fake COVID-19 news, are infringing patents owned by a Xerox subsidiary, the company said Wednesday in three suits filed in California federal court.