Auth Token LLC has added four defendants to its sole litigation campaign, begun this past April over two patents generally related to “personalizing an authentication token”. Targeted is the support for the EMV specification in the respective financial products and services of China UnionPay (1:21-cv-01216), Cryptomathic (1:21-cv-01217), Discover (1:21-cv-01218), and HST Systems (1:21-cv-01219).
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