US PTAB Patent Cases
5,620 decisions indexed
Page 27 of 188 · 5,620 total
Samsung Electronics Co., Ltd. et al. v.Netlist, Inc.
Samsung and its co‑petitioners successfully proved that Netlist’s 10,949,339 B2 memory‑module patent was obvious over prior‑art references Ellsberry and Halbert. The PTAB declared all 35 challenged claims unpatentable.
Samsung Electronics Co., Ltd. et al. v.Netlist, Inc.
The PTAB held that all claims challenged by Samsung (via SK Hynix) in Netlist’s ’537 patent are unpatentable as obvious over prior‑art references Amidi and Klein.
Samsung Electronics Co., Ltd. et al. v.Netlist, Inc.
The USPTO denied Samsung’s request for Director Review of the PTAB’s final decisions in two Netlist memory patents, leaving the Board’s rulings intact.
Samsung Electronics Co., Ltd. et al. v.Netlist, Inc.
This exhibit memo outlines new PTAB procedures requiring panels to decide all raised grounds in a final written decision for inter partes review and post‑grant review cases, unless extraordinary circumstances exist. The policy aims to promote efficiency and prevent re‑opening of issues on remand.
Samsung Electronics Co., Ltd. et al. v.Netlist, Inc.
The PTAB sent an email to counsel confirming receipt of Netlist’s Director Review request in PGR2025‑00071. Samsung may submit a 15‑page response within five business days, with no new evidence allowed.
Samsung Electronics Co., Ltd. et al. v.Netlist, Inc.
The PTAB held that Samsung's challenge to Netlist's ’160 memory‑package patent failed; all 20 claims were found obvious over Kim, Rajan, and Wyman under 35 U.S.C. § 103(a). The Board adopted the district‑court construction of “array die” and rejected Patent Owner’s arguments about non‑DRAM dies and collision risks.
Samsung Electronics Co., Ltd. et al. v.Netlist, Inc.
In IPR2025-01402 the PTAB held that all 15 claims of Netlist’s ’417 patent are unpatentable as obvious over the Perego memory‑module disclosure and the JEDEC DDR2 standard. The decision clears the way for Samsung’s memory products.
Samsung Electronics Co., Ltd. et al. v.Netlist, Inc.
The PTAB held claim 16 of Netlist’s ’912 patent unpatentable after finding it obvious over the Ellsberry reference. Samsung’s construction of “rank” as a single‑device rank was adopted, and the patent owner’s supplemental evidence was dismissed.
Samsung Electronics Co., Ltd. et al. v.Netlist, Inc.
The PTAB held that all challenged claims of Netlist’s ’833 hybrid memory patent are unpatentable, finding them obvious over a combination of Best, Bonella, and Mills. Samsung, as petitioner, prevailed on both claim construction and obviousness grounds.
Samsung Electronics Co., Ltd. et al. v.Netlist, Inc.
The USPTO denied Samsung's request for Director Review of two IPRs involving Netlist patents, citing the Director's recusal and delegated authority. The Board's Final Written Decisions remain final.
Samsung Electronics Co., Ltd. et al. v.Netlist, Inc.
The USPTO denied Samsung’s request for Director review of the PTAB’s final written decisions in two Netlist IPRs. Because the Director was recused, authority was delegated to Deputy Under Secretary Derrick Brent, who affirmed the PTAB decisions as final.
Samsung Electronics Co., Ltd. et al. v.Netlist, Inc.
The PTAB held that Samsung’s 30 claims covering a flash‑DRAM hybrid memory module are obvious over prior art, invalidating the entire ’054 patent. Netlist’s challenge succeeded on grounds of combining Harris, JEDEC FBDIMM standards, Amidi’s backup circuitry, and Hajeck’s over‑voltage protection.
Samsung Electronics Co., Ltd. et al. v.Netlist, Inc.
The PTAB held that most of the claims of Netlist’s ’907 memory‑module patent were obvious over the Ellsberry reference (alone or combined with standards), cancelling 63 of 65 claims. Claims 40 and 41 survived.
Samsung Electronics Co., Ltd. et al. v.Netlist, Inc.
Samsung has filed a Post‑Grant Review petition seeking cancellation of all 28 claims of Netlist’s 12,308,087 DRAM‑package patent, asserting lack of written description, indefiniteness, and obviousness over prior‑art memory‑stack technologies.
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.
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.
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 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.
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