Industry Sector

Speech recognition — US PTAB Patent Cases

7 decisions indexed

Page 1 of 1 · 7 total

patent · Jul 21, 2025

Microsoft Corporation v.Dialect, LLC

· IPR2025-01229

Microsoft has filed an IPR petition seeking to invalidate claims 1‑3 and 6 of Dialect’s ‘409 patent on dynamic speech sharpening. The challenger relies on the Bazzi paper and the Sabourin and Epstein patents to argue obviousness under 35 U.S.C. § 103.

patent · Feb 25, 2025

Amazon.com, Inc. et al. v.KAIFI LLC

· IPR2025-00625

Amazon has filed an IPR petition seeking to invalidate KAIFI’s U.S. 8,930,196 patent covering a two‑step voice‑activation system. The petition argues that all 20 claims are obvious over Bou‑Ghazale combined with token‑passing, phoneme/anti‑phoneme models, and adaptive filtering. It also contends that discretionary denial under §314(a) and §325(d) is unwarranted.

patent denied · Jan 21, 2025

Samsung Electronics Co., Ltd. et al. v.Cerence Operating Company

· IPR2025-00459

Samsung’s request for Director Review of the PTAB’s denial of institution for its IPR against Cerence’s voice‑control patent was rejected. The Board affirmed that all Fintiv factors favored discretionary denial, rendering the review request untenable.

patent denied · Jan 21, 2025

Samsung Electronics Co., Ltd. et al. v.Cerence Operating Company

· IPR2025-00460

Samsung’s request for Director Review of the PTAB’s denial to institute an IPR against Cerence’s voice‑assistant patent was rejected. The Board affirmed its discretionary denial, citing the Fintiv factors and settled expectations.

patent null · May 4, 2024

Google LLC v.Dialect LLC

· IPR2024-00753

Google LLC filed a Petition challenging Dialect LLC's patent 7640160, arguing that Claim 12 is obvious over prior art references Kennewick and Ross. The petition asserts that combining the disclosures of these two patents renders the claimed knowledge-enhanced speech recognition engine predictable.

patent instituted · May 4, 2024

Google LLC v.Dialect LLC

· IPR2024-00753

Google LLC successfully secured institution of its IPR challenge against Dialect LLC's patent, arguing that Claim 12 is obvious over a combination of prior art references. The Board found sufficient motivation to combine the teachings of Kennewick and Ross for trial on merits.

patent instituted · May 4, 2024

Google LLC v.Dialect LLC

· IPR2024-00750

Google LLC successfully initiated an IPR challenge against Dialect LLC's patent (9031845) covering natural language speech processing in vehicles. The Board found a reasonable likelihood of prevailing, focusing on obviousness under 35 U.S.C. § 103 using prior art references like Coffman, Julia, and Cooper.

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