US PTAB Patent Cases
8,722 decisions indexed
Page 40 of 291 · 8,722 total
Samsung Electronics Co., Ltd. et al. v.Netlist, Inc.
Samsung Electronics has filed an IPR petition challenging all 28 claims of Netlist’s 3‑D stacked DRAM patent, asserting that the claims are obvious over prior‑art memory stack designs and signaling protocols. The petition seeks institution of the trial and cancellation of the claims.
SK hynix Inc. v.Advanced Memory Technologies LLC
SK hynix has filed a petition for inter partes review challenging U.S. Patent 8,400,835, asserting that its claims are anticipated or obvious over prior Japanese patents Murakami and Kobayashi, and U.S. patent Yu. The petition seeks to invalidate claims 1, 2, 4, and 5.
CrowdStrike, Inc. et al. v.Skysong Innovations, LLC
CrowdStrike has filed a petition for inter partes review of Skysong Innovations’ U.S. Patent 11,275,900, asserting that all 14 claims are obvious over a suite of prior‑art references covering machine‑learning‑based cyber‑threat classification.
Samsung Electronics Co., Ltd. et al. v.Netlist, Inc.
The USPTO Board issued mixed institution decisions across several IPR and PGR proceedings. Some cases were denied based on efficiency or prior rulings, while others proceeded to merits review.
Samsung Electronics Co., Ltd. et al. v.Netlist, Inc.
The PTAB denied institution for IPR2025-01402 because the petitioner failed to show a reasonable likelihood of prevailing on any challenged claims. The decision was based on a merits review under 35 U.S.C. § 314(a).
Porta Sophia v.Ellis, Greg
Porta Sophia submits an affidavit containing Wayback Machine screenshots of ceramic vape cartridges to show prior art against U.S. Patent 11,235,110. The evidence aims to prove the patent’s claims lack novelty.
CYBERSECURE IPS, LLC et al. v.Network Integrity Systems, Inc.
CyberSecure IPS petitions the PTAB to institute an IPR against Network Integrity Systems’ ’641 patent, seeking cancellation of 14 claims as anticipated or obvious over several fiber‑optic monitoring references. The petition relies on §§102 and 103 and an expert declaration.
Porta Sophia v.Ellis, Greg
Porta Sophia petitions the PTAB to invalidate U.S. Patent 11,235,110 covering a vaporizer device for psychedelic compounds, asserting that the device, formulations, and isotopomer claims are fully anticipated or obvious by extensive prior‑art references.
Topsoe, Inc. et al. v.CASALE SA
Topsoe petitions the PTAB to invalidate claims 1‑11 and 17‑19 of Casale’s ’168 patent covering ammonia synthesis from natural gas. The petition relies on anticipation and obviousness arguments using five prior‑art references. The Board has yet to decide whether to institute the review.
Canadian Solar (USA) Inc. et al. v.First Solar, Inc.
Canadian Solar petitions the PTAB to invalidate claims 1‑8 of First Solar’s 9,130,074 patent, asserting that the claims are obvious over multiple pre‑2008 publications describing SIPOS emitters, oxide layers, and antireflective coatings.
SK hynix Inc. v.Advanced Memory Technologies LLC
SK hynix has filed an IPR petition seeking cancellation of five claims of U.S. Patent 8,593,888 covering flash‑memory voltage regulation, alleging anticipation and obviousness over prior patents such as Tomita, Im, Nam, and Nakayama.
Topsoe, Inc. et al. v.CASALE SA
Topsoe has filed an IPR petition seeking cancellation of claims 1‑11 and 17‑19 of Casale’s U.S. Patent 11,286,168. The petition argues that the claims are anticipated or obvious over a collection of prior‑art references, especially a 2007 IFA presentation and several earlier patents. The Board must decide whether to institute the review.
Topsoe, Inc. et al. v.CASALE SA
The PTAB granted institution for the IPR involving Topsoe and CASALE regarding patent 11286168. The Board found a reasonable likelihood of prevailing on at least one claim.
CYBERSECURE IPS, LLC et al. v.Network Integrity Systems, Inc.
The USPTO Board denied institution for IPR2025-01441 after a merits review. The petitioner failed to demonstrate a reasonable likelihood of prevailing on the challenged claims.
Snap Inc. et al. v.Nokia Technologies Oy
Snap Inc. and Nokia Technologies have reached a settlement and jointly moved to terminate the IPR over Nokia’s 9,036,701 patent. The motion cites statutory authority under 35 U.S.C. §317 and emphasizes public policy benefits of settlement.
Snap Inc. et al. v.Nokia Technologies Oy
Hisense USA and Nokia Technologies have settled the IPR on Nokia's U.S. Patent No. 9,036,701 and jointly request the Board to keep the settlement agreement confidential and terminate the proceeding as to Hisense.
Snap Inc. et al. v.Nokia Technologies Oy
Hisense and Nokia have settled their dispute over U.S. Patent 9,036,701 and jointly moved to terminate the pending inter partes review, citing statutory authority and public‑policy benefits of settlement.
Snap Inc. et al. v.Nokia Technologies Oy
Snap Inc. and Nokia Technologies Oy have settled their IPR dispute over U.S. Patent 9,036,701 and jointly moved to terminate the proceeding, requesting the settlement be kept confidential under statutory authority.
Snap Inc. et al. v.Nokia Technologies Oy
Snap and Hisense settled their disputes with Nokia over patents 9,036,701 and 11,805,267. The Board granted joint motions to terminate, ending the IPRs before institution.
Snap Inc. et al. v.Nokia Technologies Oy
Snap Inc. petitions the PTAB to invalidate Nokia’s ’701 video‑coding patent, asserting obviousness over Murashita, Marpe, and Yu. The petition targets all 20 claims and seeks their cancellation.
MWE Investments, LLC et al. v.Champion Power Equipment, Inc.
MWE Investments and Champion Power Equipment settled their IPR over U.S. Patent 11,905,895 and jointly requested that the settlement be kept confidential under 35 U.S.C. §317(b). The petition seeks withdrawal from the proceeding and confidentiality for the agreement.
MWE Investments, LLC et al. v.Champion Power Equipment, Inc.
MWE Investments, Harbor Freight Tools, and Generac, together with Champion Power Equipment, filed a joint request asking the PTAB to keep the settlement agreement (Exhibit 1300) confidential and separate from the IPR file. The request cites statutory confidentiality provisions.
MWE Investments, LLC et al. v.Champion Power Equipment, Inc.
The PTAB granted settlement motions, terminating the IPRs against Harbor Freight Tools USA Inc. and MWE Investments, LLC, while keeping the settlement agreements confidential. Generac Power Systems remains as the sole petitioner in the related IPRs.
MWE Investments, LLC et al. v.Champion Power Equipment, Inc.
Petitioners seek IPR cancellation of all 21 claims of Champion’s dual‑fuel lockout switch patent, arguing obviousness over DuroMax, Elsdon, Parlatore, Hallberg and a lack of structural support for key claim terms.
Taiwan Semiconductor Manufacturing Company Ltd. v.Marlin Semiconductor Ltd. et al.
TSMC has filed an IPR petition challenging all 11 claims of Marlin’s FinFET patent, asserting obviousness over six prior‑art references. The petition details five statutory grounds under 35 U.S.C. §103.
Taiwan Semiconductor Manufacturing Company Ltd. v.Marlin Semiconductor Ltd. et al.
The PTAB denied institution of an IPR challenge brought by Taiwan Semiconductor Manufacturing Company Ltd. against Marlin Semiconductor Ltd., finding the petitioner failed to demonstrate a reasonable likelihood of prevailing on the merits.
Meta Platforms, Inc. v.Dialect, LLC
Google’s petition to invalidate Dialect’s speech‑interface patent was denied. The Board concluded the petitioner did not show a reasonable likelihood of success on any of the asserted obviousness grounds.
Meta Platforms, Inc. v.Dialect, LLC
Meta Platforms and Dialect have settled their dispute over U.S. Patent 7,398,209. The parties filed a joint motion to stay all deadlines while they finalize the settlement and prepare dismissal filings.
Voltage, LLC et al. v.Shoals Technologies Group, LLC et al.
Voltage, LLC has filed an IPR petition seeking to invalidate Shoals Technologies’ U.S. Patent 12,015,375 covering photovoltaic lead assemblies. The petition alleges obviousness over Machida and combinations with Solon and Kim, and asks the Board to adopt ITC claim constructions.
Meta Platforms, Inc. v.Dialect, LLC
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.
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