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Nexiden sues Ping Identity over mobile authentication patents

Nexiden filed a patent infringement suit against Ping Identity in Texas federal court over two patents covering secure mobile device registration and session-based authentication.

2026-08-21CC-BY-4.0patent-litigationmobile-authenticationdevice-bindinglicensing

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Digital IDPasskeys / FIDO2 / WebAuthn

Key Facts

  • The asserted patents are US 9,521,548 and US 10,592,872, covering on-device private keys paired with local biometric authentication.
  • Nexiden says licensing approaches in March 2023 and September 2024 did not succeed; the target is the PingID app.
  • Nexiden seeks an injunction plus damages for past and ongoing infringement.

Card Text

Device registration and session binding are foundational to how passwordless authentication works in practice, so patents in that area touch a wide range of products. Litigation over these mechanics is worth tracking for buyers standardising on a single authentication vendor.

Sources