Venadium LLC, an affiliate of IP Edge LLC, has added five more cases to its sole litigation campaign, suing Expedia (Hotels.com) (5:16-cv-00174), Groupon (5:16-cv-00173), Kayak (5:16-cv-00175), New Avon (5:16-cv-00172), and Redfin (5:16-cv-00176). The NPE continues to assert a single, former Xerox patent (6,330,549), generally related to limiting software to authorized use, against the cryptographic protocols (e.g. RSA, Diffie-Hellman, and HMAC) during the login process for the defendants’ websites. This approach marked a shift, begun this past July, away from infringement theory in the first wave of lawsuits, filed in July 2015, which targets Bluetooth-enabled devices.
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