AT&T Services Inc. et al. v. RightQuestion, LLC

IPR2025-00362

AT&T, Verizon and Nokia have filed an IPR petition seeking to invalidate RightQuestion's 2021 patent on automatic number identification, asserting that all 28 claims are obvious over prior‑art references Har and Miller.

Jurisdiction
US PTAB
Case Number
IPR2025-00362
Filing Date
2 October 2025
Status
ok

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