New Campaign Targets OAuth 2.0 Protocol for Website User Authentication

  • July 15, 2019
  • Category: New Patent Litigation
    Market Sector: E-Commerce and Software

TransactionSecure, L.L.C. has launched a second litigation campaign over a decade after its first one ended. The Utah plaintiff accuses DeviantArt (2:19-cv-05836), Fitbit (3:19-cv-04075), and Stripe (3:19-cv-04052) of infringing a single patent generally related to authenticating a user’s identity using a “trusted entity” with a repository that holds the user’s personal information. (TransactionSecure also filed a case, since removed from PACER, over the same patent against Microsoft (GitHub) (3:19-cv-04050).) At issue in each case is the defendant’s use of the OAuth 2.0 protocol, a user authentication framework, on its website.


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