Industry Sector

Artificial intelligence — US PTAB Patent Cases

45 decisions indexed

Page 1 of 2 · 45 total

patent · Jul 4, 2026

Wealth, Inc. v.--

· PGR2026-00042

Wealth, Inc. has filed a Post‑Grant Review petition seeking cancellation of all 20 claims of Vanilla Technologies’ U.S. Patent 12,353,917, alleging ineligibility, obviousness, indefiniteness, and an improper dependent claim. The petition relies on prior‑art references Racanelli, Bateman, Dintenfass, McMillen and Kwak.

patent · Mar 31, 2026

Google LLC v.--

· IPR2026-00304

Google has filed an IPR petition seeking to invalidate claims 1‑16 of U.S. Patent 8,438,120, which covers hyper‑parameter optimization for machine‑learning classifiers. The petition relies on five prior‑art references to argue anticipation and obviousness, and asks the PTAB to institute the trial.

patent · Dec 8, 2025

OneSource Solutions International, Inc. et al. v.Hippocratic AI, Inc.

· PGR2025-00075

OneSource Solutions requests Director Review after the PTAB denied institution of its challenge to Hippocratic AI’s AI‑LLM patent. The petition focuses on structural and indefiniteness deficiencies in Claim 1 under 35 U.S.C. §§ 112(a) and 112(b).

patent · Dec 8, 2025

OneSource Solutions International, Inc. et al. v.Hippocratic AI, Inc.

· PGR2025-00075

OSSI has filed a PGR petition seeking cancellation of all 20 claims of Hippocratic AI’s 12,142,371 patent, alleging obviousness, lack of enablement, indefiniteness, and abstract‑idea ineligibility.

patent · Oct 3, 2025

Microsoft Corporation et al. v.Dialect, LLC

· IPR2025-00655

Microsoft has filed an IPR petition seeking to invalidate claims 12 and 13 of Dialect’s 7,640,160 patent, arguing they are obvious over Maes, Coffman, and Ross references. The petition also argues the Board should not deny institution under §§ 325(d) and 314(a).

patent · Sep 30, 2025

Tesla, Inc. v.Perceptive Automata LLC

· IPR2025-01573

Tesla has filed an IPR petition seeking to invalidate all 22 claims of Perceptive Automata’s autonomous‑driving patent, arguing obviousness over multiple prior‑art machine‑learning patents and that many claim elements are non‑patentable printed matter.

patent · Aug 19, 2025

Meta Platforms, Inc. v.Dialect, LLC

· IPR2025-01334

Meta Platforms petitions the PTAB to invalidate claims 1,4,6‑9 of U.S. Patent 7,398,209, alleging obviousness over multiple speech‑recognition and natural‑language prior arts. The petition lists five grounds invoking 35 U.S.C. § 103.

patent · Aug 15, 2025

Meta Platforms, Inc. v.Dialect, LLC

· IPR2025-01336

Meta Platforms has filed a petition for inter partes review of Dialect’s ’825 patent covering speech‑recognition methods, asserting that the claims are obvious over multiple prior‑art references.

patent · Aug 15, 2025

Meta Platforms, Inc. v.Dialect, LLC

· IPR2025-01335

Meta Platforms has filed a petition for inter partes review of Dialect’s U.S. Patent 8,015,006, targeting claims 5 and 6. The challenger alleges obviousness over multiple prior‑art speech‑recognition references. The petition seeks institution of the review.

patent · Jul 30, 2025

Zesty.ai, Inc. v.Aon Re, Inc.

· IPR2025-01358

Zesty.ai has filed an IPR petition seeking cancellation of all twenty claims of Aon Re’s U.S. Patent 10,529,029, alleging obviousness over the Gross, Davis, and Furukawa references under 35 U.S.C. §103.

patent · Jul 30, 2025

AMAZON.COM SERVICES LLC v.VB Assets, LLC

· IPR2025-01365

Amazon has filed an IPR petition challenging VB Assets’ ’249 patent covering multimodal natural‑language responses, seeking cancellation of all 28 claims on obviousness grounds.

patent · Jul 25, 2025

Meta Platforms, Inc. v.Dialect, LLC

· IPR2025-01333

Meta Platforms seeks Director Review of a denied IPR on patent 9,263,039. The patent owner, Dialect, argues for discretionary denial, citing the patent’s expiration, settled expectations, and the copycat nature of the petition. The Board has not yet ruled on the request.

patent · Jul 25, 2025

Meta Platforms, Inc. v.Dialect, LLC

· IPR2025-01333

Meta Platforms filed a Request for Director Review to vacate the PTAB’s denial of institution of an IPR against Dialect’s 9,263,039 speech‑recognition patent. The petition argues that a settlement in the parallel Bank of America case makes the PTAB the first forum, and that the parent ’160 patent’s unpatentability for lacking a multi‑pass speech‑recognition limitation should extend to the child ’039 claims.

patent · Jul 25, 2025

Meta Platforms, Inc. v.Dialect, LLC

· IPR2025-01332

Meta Platforms has filed a petition to invalidate Dialect’s 8,447,607 patent covering multimodal speech processing. The challenger relies on Maes, Coffman and Ittycheriah references to argue obviousness under 35 U.S.C. §103 and urges the Board to institute the IPR.

patent all challenged claims unpatentable · Jul 21, 2025

Microsoft Corporation v.Dialect, LLC

· IPR2025-01193

Google (as petitioner) successfully challenged claim 12 of Dialect’s ’160 patent, which covers speech‑recognition handling of natural‑language utterances. The Board held the claim obvious over the Kennewick and Ross references and rendered it unpatentable.

patent terminated or settled · Jul 21, 2025

Microsoft Corporation v.Dialect, LLC

· IPR2025-01193

Microsoft and Dialect have settled their dispute over U.S. Patent 7,917,367, filing a joint motion to terminate the inter partes review before the Board makes an institution decision.

patent terminated or settled · Jul 21, 2025

Microsoft Corporation v.Dialect, LLC

· IPR2025-01229

Microsoft and Dialect reached a settlement that led both parties to jointly move to terminate the inter partes review of patent 7,634,409 before the Board made an institution decision.

patent · Jul 21, 2025

Microsoft Corporation v.Dialect, LLC

· IPR2025-01193

Microsoft has filed a petition for inter‑partes review of Dialect’s ’367 patent covering natural‑language speech processing. The petitioner asserts that the claims are obvious over Belfiore, Kennewick, and Ross prior‑art references and seeks institution of the IPR.

patent terminated or settled · Jul 8, 2025

Microsoft Corporation v.Dialect, LLC

· IPR2025-01351

Microsoft and Dialect, LLC jointly moved to terminate IPR 2025-01351 before institution, citing a settlement that resolves all disputes. The Board has not yet made an institution decision, and the parties seek confidentiality for the agreement.

patent · Jul 8, 2025

Microsoft Corporation v.Dialect, LLC

· IPR2025-01351

Microsoft has filed an IPR petition challenging 11 claims of Dialect’s 2008 speech‑interface patent, asserting obviousness over four prior‑art references under 35 U.S.C. § 103. The petition seeks institution and cancellation of the claims.

patent · Jul 3, 2025

Microsoft Corporation et al. v.Dialect, LLC

· IPR2025-00656

Microsoft has filed a petition to invalidate Dialect’s 607 patent covering multimodal speech processing, arguing obviousness over Maes and a combination of Maes, Coffman, and Ittycheriah, and urging the PTAB to institute review.

patent terminated or settled · May 8, 2025

Microsoft Corporation v.Dialect, LLC

· IPR2025-01352

Microsoft and Dialect reached a settlement that resolves disputes over patent 8,620,659 and other patents, leading to a joint motion to terminate the inter partes review before the Board makes an institution decision.

patent · May 8, 2025

Microsoft Corporation v.Dialect, LLC

· IPR2025-01352

Microsoft has filed an IPR petition challenging claim 42 of Dialect’s ’659 patent, asserting lack of written description support and obviousness over multiple prior‑art references. The petition seeks institution of the review to invalidate the claim.

patent terminated or settled · May 6, 2025

Perplexity AI, Inc. v.Comet ML, Inc.

· IPR2025-01063

Perplexity AI and Comet ML reached a settlement covering all disputes over U.S. Patent 11,650,968, prompting the PTAB to terminate the IPR before instituting trial and to keep the settlement agreement confidential.

patent terminated or settled · May 6, 2025

Perplexity AI, Inc. v.Comet ML, Inc.

· IPR2025-01063

Perplexity AI and Comet ML have settled their dispute over U.S. Patent 11,650,968 and jointly moved to terminate the inter partes review, requesting the settlement be kept confidential.

patent · May 6, 2025

Perplexity AI, Inc. v.Comet ML, Inc.

· IPR2025-01063

Perplexity AI has filed an IPR petition seeking cancellation of all twelve claims of Comet ML’s neural‑network training patent. The challenger asserts obviousness over four prior‑art references—Baker, Lorenz, Shridhar, and Jenatton—under 35 U.S.C. §103.

patent · Apr 25, 2025

Samsung Electronics Co. Ltd. et al. v.VB Assets, LLC

· IPR2025-00866

Samsung has filed an IPR petition challenging all 36 claims of VB Assets’ ’681 patent covering a cooperative conversational voice interface. The petition asserts obviousness over multiple prior‑art references, including SmartKom, Kobsa, Barbara, Ross, O’Neill and Franco.

patent · Apr 8, 2025

Amazon.com Services LLC v.VB Assets, LLC

· IPR2025-01379

Amazon has filed an IPR petition seeking cancellation of VB Assets’ U.S. Patent 10,755,699, which covers a method for generating natural‑language responses adapted to a user’s manner of speaking. The petition alleges obviousness over three prior‑art references—Kennewick, Cooper, and Matsuda—under 35 U.S.C. §103.

patent · Mar 21, 2025

Microsoft Corporation et al. v.Dialect, LLC

· IPR2025-00659

Microsoft seeks to invalidate Dialect’s 9,495,957 patent covering natural‑language processing in mobile devices, arguing that claims 7 and 8 are obvious over prior art such as Maes, Coffman, Kennewick and Weissman, and urging the PTAB to institute the IPR.

patent · Mar 18, 2025

Microsoft Corporation et al. v.Dialect, LLC

· IPR2025-00658

Microsoft has filed an IPR petition challenging eight claims of Dialect’s 8,195,468 patent covering multimodal voice‑assistant technology, asserting obviousness over the Maes, Coffman, and Ittycheriah references. The petition argues the examiner never considered these references, creating a material error, and urges the Board to institute review.

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