Industry Sector

Audio signal processing — US PTAB Patent Cases

7 decisions indexed

Page 1 of 1 · 7 total

patent

Google LLC v.SoundClear Technologies LLC et al.

· IPR2025-00345

Google filed an IPR petition challenging all 20 claims of SoundClear's 9,031,259 patent covering noise‑reduction apparatuses, asserting obviousness over several prior‑art references and seeking institution of the review.

patent

Amazon.com, Inc. et al. v.SoundClear Technologies LLC et al.

· IPR2025-01096

Amazon has filed an IPR petition seeking cancellation of all 20 claims of SoundClear’s 9,031,259 patent, alleging that the claimed speech‑processing system is obvious over a combination of prior‑art references. The petition lists 15 grounds covering VAD, DOA, adaptive filtering and microphone‑array arrangements.

patent

Krisp Technologies, Inc. v.Sanas.AI, Inc.

· IPR2026-00273

Krisp Technologies has filed an IPR petition challenging Sanas.ai’s U.S. Patent No. 12,125,496 covering neural‑network‑based voice enhancement. The petition asserts that all 20 claims are obvious over a combination of prior‑art references and proposes a specific construction for the term “low‑dimensional representation.”

patent all challenged claims unpatentable

Samsung Electronics Co., Ltd. et al. v.ST CasesTech, LLC et al.

· IPR2024-01032

Samsung successfully challenged Staton Techiya’s echo‑cancelling ear‑piece patent. The PTAB found all asserted claims unpatentable as obvious over a combination of prior‑art references.

patent denied

Amazon.com, Inc. et al. v.SoundClear Technologies LLC et al.

· IPR2025-01096

Amazon’s request for Director Review of the PTAB’s discretionary denial of institution was rejected. The Board affirmed that the “settled expectations” standard is a lawful discretionary factor and that Amazon’s APA and due‑process arguments fail.

patent

Amazon.com, Inc. et al. v.SoundClear Technologies LLC et al.

· IPR2025-01067

Amazon seeks Director Review to overturn a discretionary denial that applied a new six‑year “settled expectations” rule, arguing it exceeds statutory authority and violates the APA. The petition contends the rule is arbitrary, retroactive, and unconstitutional.

patent

Google LLC v.SoundClear Technologies LLC et al.

· IPR2025-00344

Google has filed a petition for inter partes review of SoundClear’s 9,070,374 patent covering a simplex communication apparatus with visual feedback. The petition argues that all claims are obvious over IBM, Kale, and Li prior art and seeks institution of the IPR.

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